Engine - 4.6L (3V): Removal & Installation Ford Explorer IV

REMOVAL

1. Release the fuel system pressure. For additional information, refer to «FUEL SYSTEM - GENERAL INFORMATION»(ref-270952) .
2. Remove the air cleaner outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION AND FILTERING»(ref-270901) .
3. Remove the fuel rail and injectors. For additional information, refer to «FUEL CHARGING AND CONTROLS - 4.6L (3V)»(ref-270905) .
4. Disconnect the electronic throttle body (TB) electrical connector.
5. Disconnect the evaporative emissions (EVAP) tube from the intake manifold.
6. Disconnect the throttle position (TP) sensor electrical connector.
7. Disconnect the positive crankcase ventilation (PCV) hose from the heated PCV fitting on the intake manifold.
8. Remove the bolts and position the heated PCV fitting aside. Remove and discard the O-ring seal.
9. Detach the wiring harness retainers from the intake manifold.
10. Disconnect the charge motion control valve (CMCV) electrical connector.
11. Remove the bolts and position the intake manifold forward.
12. Disconnect the brake booster vacuum hose from the rear of the intake manifold.
13. Disconnect the vacuum hose from the rear of the intake manifold.
14. Remove the intake manifold and the gaskets. Discard the gaskets.

INSTALLATION

1. Using new intake manifold gaskets, position the intake manifold.
2. Connect the vacuum hose to the rear of the intake manifold.
3. Connect the brake booster hose to the rear of the intake manifold.
4. Install the intake manifold bolts and tighten the bolts in the sequence shown in 2 stages. Stage 1: Tighten to 2 Nm (18 lb-in). Stage 2: Tighten to 10 Nm (89 lb-in).
5. Connect the CMCV electrical connector.
6. Attach the wiring harness retainers to the intake manifold.
7. Install a new O-ring seal, position the heated PCV fitting and install the bolts.
8. Connect the PCV hose to the heated PCV fitting on the intake manifold.
9. Connect the TP sensor electrical connector.
10. Connect the EVAP hose to the intake manifold.
11. Connect the electronic TB electrical connector.
12. Install the fuel rail and injectors. For additional information, refer to «FUEL CHARGING AND CONTROLS - 4.6L (3V)»(ref-270905) .
13. Install the air cleaner outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION AND FILTERING»(ref-270901) .

1. Remove the LH ignition coils. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
2. Remove the bolt and position the oil level indicator and tube aside.
3. Disconnect the evaporative emissions (EVAP) tube from the intake manifold.
4. Disconnect the positive crankcase ventilation (PCV) hose from the valve cover.
5. Remove the nut and position the cooling fan wiring harness bracket aside.
6. Disconnect the 2 pin-type retainers from the valve cover.
7. Disconnect the variable camshaft timing (VCT) solenoid electrical connector.
8. Detach the wiring harness retainers from the valve cover studs.
9. Disconnect the EVAP canister purge valve electrical connector.
10. Disconnect the EVAP canister-to-EVAP canister purge valve EVAP hose from the EVAP canister purge valve.
11. Loosen the 15 bolts and remove the LH valve cover and gasket. Discard the gasket.

1. Clean the gasket mating surfaces. Clean the valve cover mating surface of the cylinder head with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Clean the valve cover gasket groove in the valve cover with soap and water or a suitable solvent.
2. Install a new gasket on the LH valve cover.
3. Apply a bead of silicone gasket and sealant in 2 places where the engine front cover meets the cylinder head.
4. Position the LH valve cover with a new gasket and tighten the bolts in the sequence shown. Tighten to 10 Nm (89 lb-in).
5. Connect the EVAP canister-to-EVAP canister purge valve EVAP hose to the EVAP canister purge valve.
6. Connect the EVAP canister purge valve electrical connector.
7. Attach the wiring harness retainers to the valve cover studs.
8. Connect the VCT solenoid electrical connector.
9. Connect the 2 pin-type retainers to the valve cover.
10. Position the cooling fan wiring harness bracket and install the nut. Tighten to 25 Nm (18 lb-ft).
11. Connect the PCV hose to the valve cover.
12. Connect the EVAP tube to the intake manifold.
13. Position the oil level indicator tube and install the bolt. Tighten to 10 Nm (89 lb-in).
14. Install the LH ignition coils. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .

1. Remove the air cleaner and the air cleaner outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION AND FILTERING»(ref-270901) .
2. Remove the RH ignition coils. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
3. Disconnect the engine wiring harness from the powertrain control module. Disconnect the 2 PCM electrical connectors. Disconnect the in-line electrical connector. Detach the wiring harness retainer from the PCM bracket and position the wiring harness aside.
4. Disconnect the RH variable camshaft timing (VCT) oil control solenoid electrical connector.
5. Detach the 2 wiring harness retainers from the RH valve cover studs.
6. Detach the wiring harness pin-type retainer from the front of the RH valve cover.
7. Detach the heater hose retainer from the RH valve cover.
8. Disconnect the crankcase breather tube from the RH valve cover.
9. Loosen the RH valve cover bolts and remove the RH valve cover and the RH valve cover gasket. Discard the gasket.

1. Clean the gasket mating surfaces. Clean the valve cover mating surface of the RH cylinder head with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Clean the RH valve cover gasket groove with soap and water or a suitable solvent.
2. Install a new gasket on the RH valve cover.
3. Apply a bead of silicone gasket and sealant in 2 places where the engine front cover meets the RH cylinder head.
4. Position the RH valve cover with a new gasket on the cylinder head and tighten the bolts in the sequence shown. Tighten to 10 Nm (89 lb-in).
5. Connect the crankcase breather tube to the RH valve cover.
6. Attach the heater hose retainer to the RH valve cover.
7. Attach the wiring harness pin-type retainer to the front of the RH valve cover.
8. Attach the wiring harness retainers to the RH valve cover studs.
9. Connect the RH VCT oil control solenoid electrical connector.
10. Connect the engine wiring harness to the PCM. Position the wiring harness and attach the wiring harness pin-type retainer to the PCM bracket. Connect the in-line electrical connector. Connect the 2 PCM electrical connectors.
11. Install the RH ignition coils. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
12. Install the air cleaner and the air cleaner outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION AND FILTERING»(ref-270901) .

Scheme 58

1. For additional information, refer to the appropriate procedures.

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Remove the cooling fan shroud. For additional information, refer to «ENGINE COOLING»(ref-270902) .
3. Remove the accessory drive belt. For additional information, refer to «ACCESSORY DRIVE»(ref-270912) .
4. Remove and discard the crankshaft pulley bolt and washer.
5. Using the special tool, remove the crankshaft pulley.

1. Apply silicone gasket and sealant to the Woodruff key slot in the crankshaft pulley.
2. Using the special tool, install the crankshaft pulley.
3. Using a new crankshaft pulley bolt, install the bolt and washer and tighten the bolt in 4 stages. Stage 1: Tighten to 90 N.m (66 lb-ft). Stage 2: Loosen 360 degrees. Stage 3: Tighten to 50 N.m (37 lb-ft). Stage 4: Tighten an additional 90 degrees.
4. Install the accessory drive belt. For additional information, refer to «ACCESSORY DRIVE»(ref-270912) .
5. Install the cooling fan shroud. For additional information, refer to «ENGINE COOLING»(ref-270902) .

1. Remove the crankshaft pulley. For additional information, refer to «Crankshaft Pulley»(ref-270890-S11669770842007110700000) .
2. Using the special tool, remove the crankshaft front seal.

1. Lubricate the engine front cover and the crankshaft front seal inner lip with clean engine oil.
2. Using the special tools, install the crankshaft front seal.
3. Install the crankshaft pulley. For additional information, refer to «Crankshaft Pulley»(ref-270890-S11669770842007110700000) .

Scheme 59

1. For additional information, refer to the appropriate procedures.

REMOVAL AND INSTALLATION

1. Remove the transmission. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60»(ref-270910) .
2. Remove the 6 bolts and the flexplate. To install, tighten to 80 Nm (59 lb-ft) in the sequence shown.
3. To install, reverse the removal procedure.

1. Remove the flexplate. For additional information, refer to «Flexplate»(ref-270890-S13462705962007110700000) .
2. Remove the engine-to-transmission spacer plate.
3. Using the special tools, remove the crankshaft oil slinger. Discard the crankshaft oil slinger.
4. Using the special tools, remove the crankshaft rear seal. Discard the crankshaft rear seal.

1. Using the special tools, install the crankshaft rear seal.
2. Using the special tools, install the crankshaft rear oil slinger.
3. Install the engine-to-transmission spacer plate.
4. Install the flexplate. For additional information, refer to «Flexplate»(ref-270890-S13462705962007110700000) .

1. Remove the flexplate. For additional information, refer to «Flexplate»(ref-270890-S13462705962007110700000) .
2. Remove the engine-to-transmission spacer plate.
3. Remove the oil pan. For additional information, refer to «Oil Pan»(ref-270890-S33109342972007110700000) .
4. Using the special tools, remove the crankshaft oil slinger. Discard the crankshaft oil slinger.
5. Using the special tools, remove the crankshaft rear seal. Discard the crankshaft rear seal.
6. Remove the 6 bolts and the crankshaft rear seal retainer plate.

1. Clean and inspect the mating surfaces.
2. Apply a bead of gasket maker to the crankshaft rear seal retainer plate mating surface on the engine block.
3. Install the crankshaft rear seal retainer plate and the 6 bolts in the sequence shown. Tighten to 10 Nm (89 lb-in).
4. Using the special tools, install the crankshaft rear seal.
5. Using the special tools, install the crankshaft rear oil slinger.
6. Install the oil pan. For additional information, refer to «Oil Pan»(ref-270890-S33109342972007110700000) .
7. Install the engine-to-transmission spacer plate.
8. Install the flexplate. For additional information, refer to «Flexplate»(ref-270890-S13462705962007110700000) .

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Remove the drain plug and drain the engine oil. To install, tighten to 23 Nm (17 lb-ft).
3. Remove the cooling fan shroud. For additional information, refer to «ENGINE COOLING»(ref-270902) .
4. Remove the RH side idler pulley. For additional information, refer to «ACCESSORY DRIVE»(ref-270912) .
5. Remove the RH valve cover. For additional information, refer to «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
6. Remove the LH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) .
7. Remove the nut and position the RH radio interference capacitor aside.
8. Disconnect the RH camshaft position (CMP) sensor electrical connector.
9. Remove the nut and the cooling fan wiring harness bracket.
10. Remove the nut and position the LH radio interference capacitor aside.
11. Disconnect the LH CMP sensor electrical connector.
12. Remove the bolts and the coolant pump pulley.
13. Remove the nuts and detach the battery cable bracket from the power steering pump stud bolts.
14. Detach the wiring harness retainer from the power steering pump stud bolt.
15. Remove the stud bolts and position the power steering pump aside. Support the power steering pump with a length of mechanic's wire.
16. Remove the nut and detach the power steering pressure (PSP) hose bracket from the battery cable bracket.
17. Remove the nut and detach the battery cable bracket from the engine front cover.
18. Remove the nut and detach the transmission cooler tube bracket from the engine front cover.
19. Disconnect the crankshaft position (CKP) sensor electrical connector.
20. Remove the crankshaft pulley bolt and washer. Discard the crankshaft pulley bolt.
21. Using the special tool, remove the crankshaft pulley.
22. Using the special tool, remove the crankshaft front seal. Discard the crankshaft front seal.
23. Remove the oil pan-to-engine front cover bolts.
24. Remove the engine front cover bolts and stud bolts.
25. Remove the engine front cover from the engine front cover-to-cylinder block dowel. Remove and discard the engine front cover gaskets.

1. Clean the mating surfaces with silicone gasket remover, metal surface prep and a plastic scraping tool. Follow the directions on the packaging.
2. Apply a bead of silicone gasket and sealant along the cylinder head-to-cylinder block mating surface and the oil pan-to-cylinder block mating surface at the locations shown.
3. Install new engine front cover gaskets on the engine front cover. Position the engine front cover onto the dowels. Install the fasteners finger tight.
4. Tighten the engine front cover fasteners in the sequence shown to 25 Nm (18 lb-ft). Item Part Number Description 1 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 2 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 3 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 4 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 5 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 6 W706508 Stud, Hex Shoulder Pilot, M8 x 1.25 x 50 - M6 x 1 x 10 7 N806300 Stud, Hex Shoulder Pilot, M8 x 1.25 x 1.25 x 91.1 8 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 9 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 10 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53 11 N808294 Bolt, Hex Head Pilot, M8 x 1.25 x 53 12 N806300 Stud, Hex Shoulder Pilot, M8 x 1.25 x 1.25 x 91.1 13 N806300 Stud, Hex Shoulder Pilot, M8 x 1.25 x 1.25 x 91.1 14 N806300 Stud, Hex Shoulder Pilot, M8 x 1.25 x 1.25 x 91.1 15 N806300 Stud, Hex Shoulder Pilot, M8 x 1.25 x 1.25 x 91.1
5. Loosely install the oil pan-to-engine front cover bolts, then tighten the bolts in 2 stages in the sequence shown. Stage 1: Tighten to 20 Nm (15 lb-ft). Stage 2: Tighten an additional 60 degrees.
6. Lubricate the engine front cover and a new crankshaft front seal inner lip with clean engine oil.
7. Using the special tools, install the crankshaft front seal.
8. Apply silicone gasket sealant to the Woodruff key slot in the crankshaft pulley.
9. Using the special tool, install the crankshaft pulley.
10. Using a new crankshaft pulley bolt, install the bolt and washer and tighten the bolt in 4 stages. Stage 1: Tighten to 90 Nm (66 lb-ft). Stage 2: Loosen 360 degrees. Stage 3: Tighten to 50 Nm (37 lb-ft). Stage 4: Tighten an additional 90 degrees.
11. Connect the CKP sensor electrical connector.
12. Attach the transmission cooler tube bracket to the engine front cover and install the nut. Tighten to 12 Nm (9 lb-ft).
13. Attach the battery cable bracket to the front cover and install the nut. Tighten to 10 Nm (89 lb-in).
14. Attach the PSP hose bracket to the battery cable bracket and install the nut. Tighten to 10 Nm (89 lb-in).
15. Position the power steering pump and install the stud bolts. Tighten to 25 Nm (18 lb-ft).
16. Attach the wiring harness retainer to the power steering pump stud bolt.
17. Position the battery cable bracket on the power steering pump stud bolts and install the nuts. Tighten to 10 Nm (89 lb-in).
18. Position the coolant pump pulley and install the bolts. Tighten the bolts to 25 Nm (18 lb-ft).
19. Connect the LH CMP sensor electrical connector.
20. Position the LH radio interference capacitor and install the nut. Tighten to 25 Nm (18 lb-ft).
21. Position the cooling fan wiring harness bracket and install the nut.
22. Connect the RH CMP sensor electrical connector.
23. Position the RH radio interference capacitor and install the nut. Tighten to 25 Nm (18 lb-ft).
24. Install the LH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) .
25. Install the RH valve cover. For additional information, refer to «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
26. Install the RH side idler pulley. For additional information, refer to «ACCESSORY DRIVE»(ref-270912) .
27. Install the cooling fan shroud. For additional information, refer to «ENGINE COOLING»(ref-270902) .
28. Fill the engine with clean engine oil.

1. Remove the engine front cover. For additional information, refer to «Engine Front Cover»(ref-270890-S40698072222007110700000) .
2. Remove the crankshaft sensor ring from the crankshaft.
3. Position the crankshaft keyway at the 12 o'clock position.
4. The No. 1 cylinder must be coming up on the exhaust stroke with the crankshaft keyway at the 12 o'clock position. Verify by noting the position of the 2 intake lobes and the exhaust lobe on the No. 1 cylinder.
5. Remove only the 3 roller followers shown in the illustration from the RH cylinder head.
6. Using the special tool, remove the 3 roller followers designated in the previous step from the RH cylinder head.
7. Remove only the 3 roller followers shown in the illustration from the LH cylinder head.
8. Using the special tool, remove the 3 roller followers designated in the previous step from the LH cylinder head.
9. Rotate the crankshaft clockwise and position the crankshaft keyway at the 6 o'clock position.
10. Remove the bolts, the LH timing chain tensioner and tensioner arm.
11. Remove the bolts, the RH timing chain tensioner and tensioner arm.
12. Remove the RH and LH timing chains and the crankshaft sprocket. Remove the RH timing chain from the camshaft sprocket. Remove the RH timing chain from the crankshaft sprocket. Remove the LH timing chain from the camshaft sprocket. Remove the LH timing chain and crankshaft sprocket.
13. Remove the LH and RH timing chain guides. Remove the bolts. Remove both timing chain guides.
14. Using the special tool, remove the bolt and the RH camshaft phase sprocket assembly. Discard the camshaft phase sprocket bolt.
15. Using the special tool, remove the bolt and the LH camshaft phase sprocket assembly. Discard the camshaft phase sprocket bolt.
16. Remove the bolts in the sequence shown and remove the RH cylinder head front camshaft bearing cap and then the remaining bearing caps.
17. Clean and inspect the RH camshaft bearing caps. The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
18. Remove the RH camshaft.
19. Remove the bolts in the sequence shown and remove the LH cylinder head front camshaft bearing cap and then the remaining bearing caps.
20. Clean and inspect the LH camshaft bearing caps. The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
21. Remove the LH camshaft.
22. Remove all of the remaining roller followers from the cylinder heads.

1. Install the LH and RH camshafts. Lubricate the camshaft and camshaft journals with clean engine oil prior to installation.
2. Install the LH and RH camshaft bearing caps in their original locations. Lubricate the camshaft bearing caps with clean engine oil. Position the front camshaft bearing cap. Position the remaining camshaft bearing caps. Install the bolts loosely. Tighten to 10 N.m (89 lb-in) in the sequence shown.
3. Install the camshaft phase sprockets and new camshaft phase bolts finger-tight.
4. Using the special tool, tighten the LH and RH camshaft phase sprocket bolts in 2 stages. Stage 1: Tighten to 40 N.m (30 lb-ft). Stage 2: Tighten an additional 90 degrees.
5. Install the crankshaft sprocket, making sure the flange faces forward.
6. Rotate the crankshaft to position the crankshaft sprocket timing mark in the 6 o'clock position.
7. Inspect the RH and LH timing chain tensioners. Install new tensioners as necessary.
8. Compress the tensioner plunger, using a vise.
9. Install a retaining clip on the tensioner to hold the plunger in during installation.
10. Remove the tensioner from the vise.
11. If the copper links are not visible, mark one link on one end and one link on the other end and use as timing marks.
12. Install the 4 bolts and the LH and RH timing chain guides. Tighten to 10 N.m (89 lb-in).
13. Position the lower end of the LH (inner) timing chain on the crankshaft sprocket, aligning the timing mark on the outer flange of the crankshaft sprocket with the single copper (marked) link on the chain.
14. Position the LH timing chain on the camshaft sprocket. Make sure the camshaft sprocket timing mark is aligned with the copper (marked) chain link.
15. Position the LH timing chain tensioner arm on the dowel pin and install the LH timing chain tensioner and bolts. Tighten to 25 N.m (18 lb-ft).
16. Remove the retaining clip from the LH timing chain tensioner.
17. Position the lower end of the RH (outer) timing chain on the crankshaft sprocket, aligning the timing mark on the sprocket with the single copper (marked) chain link.
18. Position the RH timing chain on the camshaft sprocket. Make sure the camshaft sprocket timing mark is aligned with the copper (marked) chain link.
19. Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner and bolts. Tighten to 25 N.m (18 lb-ft).
20. Remove the retaining clip from the RH timing chain tensioner.
21. As a post-check, verify correct alignment of all timing marks. Make sure the timing marks on the sprockets correspond to the above note.
22. Install the crankshaft sensor ring on the crankshaft.
23. Using the special tool, install all of the camshaft roller followers. Lubricate the roller followers with clean engine oil prior to installation.
24. Install the engine front cover. For additional information, refer to «Engine Front Cover»(ref-270890-S40698072222007110700000) .

1. Position the crankshaft damper spoke at the 12 o'clock position and the timing mark indentation at the 1 o'clock position.
2. Remove the LH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) .
3. Loosen and back off the LH camshaft phase and sprocket bolt one full turn.
4. Disconnect the LH camshaft position (CMP) sensor electrical connector.
5. Remove the LH CMP sensor and the bolt.
6. The No. 5 cylinder camshaft lobe must be coming up on the exhaust stroke. Verify by noting the position of the 2 intake camshaft lobes and the exhaust lobe on the No. 5 cylinder.
7. Remove only the 3 camshaft roller followers shown in the illustration.
8. Using the special tool, remove only the 3 designated camshaft roller followers from the previous step.
9. Rotate the crankshaft clockwise, as viewed from the front, positioning the crankshaft damper spoke at the 6 o'clock position and the timing mark indentation at the 7 o'clock position.
10. Install the special tool in the LH timing chain as shown.
11. Scribe a location mark on the timing chain and the camshaft phase and sprocket assembly.
12. Remove the bolts in the sequence shown and remove the front camshaft bearing cap and then the remaining bearing caps.
13. Clean and inspect the LH camshaft bearing caps. The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
14. Remove the bolt and withdraw the camshaft from the camshaft phase and sprocket assembly, leaving the camshaft phase and sprocket assembly in place. Discard the bolt and washer.
15. Inspect the camshaft phase and sprocket for damage. For additional information, refer to «Camshaft Phase and Sprocket»(ref-270890-S28019677522007110700000) .

1. Lubricate the camshaft and camshaft journals with clean engine oil.
2. Install the camshaft into the camshaft phase and sprocket assembly and onto the head. Install a new camshaft phase and sprocket bolt finger-tight.
3. Verify the camshaft phase and sprocket and timing chain scribe marks are still in alignment.
4. Install the camshaft bearing caps in their original locations. Lubricate the camshaft bearing caps with clean engine oil. Position the front camshaft bearing cap. Position the remaining camshaft bearing caps. Install the bolts loosely.
5. Tighten the bolts in the sequence shown. Tighten to 10 Nm (89 lb-in).
6. Remove the special tools.
7. Rotate the crankshaft a half turn counterclockwise and position the crankshaft damper spoke at the 12 o'clock position and the timing mark indentation at the 1 o'clock position.
8. Verify correct camshaft position by noting the position of the No. 5 cylinder intake and exhaust camshaft lobes.
9. Using the special tool, install the 3 originally removed camshaft roller followers.
10. Install the CMP sensor and the bolt.
11. Connect the CMP electrical connector.
12. Tighten the camshaft phase and sprocket bolt in 2 stages: Stage 1: Tighten to 40 Nm (30 lb-ft). Stage 2: Tighten an additional 90 degrees.
13. Install the LH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) .

Camshaft - RH

Special Tools Illustration Tool Name Tool Number Compressor, Valve Spring 303-1039 Wedge, Timing Chain 303-1175

Material

1. Position the crankshaft damper spoke at the 12 o'clock position and the timing mark indentation at the 1 o'clock position.
2. Remove the RH valve cover. For additional information, refer to «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
3. Loosen and back off the RH camshaft phase and sprocket bolt one full turn.
4. Disconnect the RH camshaft position (CMP) sensor electrical connector.
5. Remove the bolt and the RH CMP sensor.
6. The No. 1 cylinder camshaft exhaust lobe must be coming up on the exhaust stroke. Verify by noting the position of the 2 intake camshaft lobes and the exhaust lobe on the No. 1 cylinder.
7. Remove only the 3 camshaft roller followers shown in the illustration.
8. Using the special tool, remove only the 3 designated camshaft roller followers from the previous step.
9. Rotate the crankshaft clockwise, as viewed from the front, positioning the crankshaft damper spoke at the 6 o'clock position and the timing mark indentation at the 7 o'clock position.
10. Install the special tool in the RH timing chain as shown.
11. Scribe a location mark on the timing chain and the camshaft phase and sprocket assembly.
12. Remove the bolts in the sequence shown and remove the front camshaft bearing cap and then the remaining bearing caps.
13. Clean and inspect the RH camshaft bearing caps. The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
14. Remove the bolt and withdraw the camshaft from the camshaft phase and sprocket assembly, leaving the camshaft phase and sprocket assembly in place. Discard the bolt and washer.
15. Inspect the camshaft phase and sprocket for damage. For additional information, refer to «Camshaft Phase and Sprocket»(ref-270890-S28019677522007110700000) .

1. Lubricate the camshaft and camshaft journals with clean engine oil.
2. Install the camshaft into the camshaft phase and sprocket assembly and onto the head. Install a new camshaft phase and sprocket bolt finger-tight.
3. Verify the camshaft phase and sprocket and timing chain scribe marks are still in alignment.
4. Install the camshaft bearing caps in their original locations. Lubricate the camshaft bearing caps with clean engine oil. Position the front camshaft bearing cap. Position the remaining camshaft bearing caps. Install the bolts loosely.
5. Tighten the bolts in the sequence shown. Tighten to 10 Nm (89 lb-in).
6. Remove the special tool.
7. Rotate the crankshaft a half turn counterclockwise and position the crankshaft damper spoke at the 12 o'clock position and the timing mark indentation at the 1 o'clock position.
8. Verify correct camshaft position by noting the position of the No. 1 cylinder intake and exhaust camshaft lobes.
9. Using the special tool, install the 3 originally removed camshaft roller followers.
10. Install the CMP sensor and the bolt. Tighten to 10 Nm (89 lb-in).
11. Connect the CMP electrical connector.
12. Tighten the new camshaft phase and sprocket bolt in 2 stages: Stage 1: Tighten to 40 Nm (30 lb-ft). Stage 2: Tighten an additional 90 degrees.
13. Install the RH valve cover. For additional information, refer to «Valve Cover - RH»(ref-270890-S19847547022007110700000) .

1. If servicing the RH camshaft phase and sprocket, remove the RH camshaft. For additional information, refer to «Camshaft - RH»(ref-270890-S38747689402007110700000) .
2. If servicing the LH camshaft phase and sprocket, remove the LH camshaft. For additional information, refer to «Camshaft - LH»(ref-270890-S00125466462007110700000) .
3. Remove the camshaft phase and sprocket from the timing chain.
4. Inspect the front of the camshaft phase and sprocket for missing or damaged roll pins. If the roll pins are missing or damaged, a new camshaft phase and sprocket must be installed.
5. Inspect the rear of the camshaft phase and sprocket for a deformed or damaged location pin. If the location pin is deformed or damaged a new camshaft phase and sprocket must be installed.
6. Visually inspect the camshaft phase and sprocket for squareness (A). If the trigger wheel or spring is deformed or damaged (B), install a new camshaft phase and sprocket.

1. If installing a new camshaft phase and sprocket, transfer the original scribe mark to the new camshaft phase and sprocket.
2. Align the scribe marks and position the camshaft phase and sprocket into the timing chain.
3. If servicing the RH camshaft phase and sprocket, install the RH camshaft. For additional information, refer to «Camshaft - RH»(ref-270890-S38747689402007110700000) .
4. If servicing the LH camshaft phase and sprocket, install the LH camshaft. For additional information, refer to «Camshaft - LH»(ref-270890-S00125466462007110700000) .

1. Depending on the roller follower being serviced, remove the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
2. Rotate the crankshaft until the piston for the valve being serviced is at the top of its stroke with the intake valve and the exhaust valves closed.
3. Using the special tool, compress the valve spring and remove the camshaft roller follower.
4. Repeat the previous 2 steps for each roller follower being serviced.
5. Inspect the roller follower. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .

1. Using the special tool, compress the valve spring and install the camshaft roller follower.
2. Repeat the previous step for each roller follower being serviced.
3. Depending on the valve being serviced, install the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .

1. Depending on the valve spring being serviced, remove the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
2. Remove the spark plug. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
3. Rotate the crankshaft until the piston for the valve spring being serviced is at the top of its stroke with the intake valve and the exhaust valves closed.
4. Using the special tool, compress the valve spring and remove the camshaft roller follower.
5. Use compressed air in the cylinder to hold both valves in position. Apply a minimum of 965 kPa (140 psi) of compressed air into the cylinder.
6. Using the special tool, compress the valve spring and remove the valve spring retainer keys.
7. Remove the valve spring retainer and the valve spring.
8. Inspect the valve spring. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .

1. Using the special tool, install the valve spring, the valve spring retainer and the valve spring retainer keys.
2. Relieve the air pressure from the cylinder.
3. Using the special tool, compress the valve spring and install the camshaft roller follower.
4. Install the spark plug. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
5. Depending on the valve spring being serviced, install the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .

1. Depending on the valve seal being serviced, remove the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .
2. Remove the spark plug. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
3. Rotate the crankshaft until the piston for the valve seal being serviced is at the top of its stroke with the intake valve and the exhaust valves closed.
4. Using the special tool, compress the valve spring and remove the camshaft roller follower.
5. Use compressed air in the cylinder to hold both valves in position. Apply a minimum of 965 kPa (140 psi) of compressed air into the cylinder.
6. Using the special tool, compress the valve spring and remove the valve spring retainer keys.
7. Remove the valve spring retainer, the valve spring and the valve seal. Discard the valve seal.
8. Inspect the components. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .

1. Position a new valve seal onto the valve stem.
2. Using the special tool, install the new valve seal.
3. Using the special tool, install the valve spring, the valve spring retainer and the valve spring retainer keys.
4. Relieve the air pressure from the cylinder.
5. Using the special tool, compress the valve spring and install the camshaft roller follower.
6. Install the spark plug. For additional information, refer to «ENGINE IGNITION - 4.6L (3V)»(ref-270954) .
7. Depending on the valve seal being serviced, install the LH or RH valve cover. For additional information, refer to «Valve Cover - LH»(ref-270890-S41676864192007110700000) or «Valve Cover - RH»(ref-270890-S19847547022007110700000) .

1. Remove the camshafts. For additional information, refer to «Valve Train Components - Exploded View»(ref-270890-S02678175142007110700000) and «Camshaft - LH»(ref-270890-S00125466462007110700000) and «Camshaft - RH»(ref-270890-S38747689402007110700000) .
2. Remove the remaining roller followers from the cylinder head being serviced.
3. Remove the hydraulic lash adjusters that are being serviced.
4. Inspect the hydraulic lash adjusters. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .
5. To install, reverse the removal procedure.

Scheme 60

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Detach the evaporative emission (EVAP) canister purge valve from the bracket and position the valve aside.
3. Remove the intermediate steering shaft pinch bolt and disconnect the intermediate steering shaft from the lower steering column shaft.
4. Remove the 4 nuts and disconnect the dual converter Y-pipe from the exhaust manifolds.
5. Remove the nuts and position the wiring harness bracket aside.
6. Remove the bolts and the LH exhaust manifold heat shield.
7. Remove and discard the push pin.
8. Remove the 8 nuts, the LH exhaust manifold and the gaskets. Deflect the inner fender splash shield and remove the manifold between the splash shield and the frame rail. Discard the nuts and the gaskets.
9. Remove and discard the 8 LH exhaust manifold studs.

1. Inspect the LH exhaust manifold gasket mating surfaces for flatness. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .
2. Install 8 new LH exhaust manifold studs. Tighten to 12 Nm (9 lb-ft).
3. Position the new gaskets, the LH exhaust manifold and install new nuts finger-tight. Deflect the inner fender splash shield and install the exhaust manifold between the splash shield and the frame rail.
4. Tighten the exhaust manifold nuts in the sequence shown. Tighten to 25 Nm (18 lb-ft).
5. Position the inner fender splash shield and install a new push pin.
6. Install the heat shield and the bolts. Tighten to 10 Nm (89 lb-in).
7. Position the wiring harness bracket and install the nuts. Tighten to 10 Nm (89 lb-in).
8. Connect the dual converter Y-pipe to the exhaust manifolds and install the 4 nuts. Tighten to 40 Nm (30 lb-ft).
9. Connect the intermediate steering shaft to the lower steering column shaft and install the pinch bolt. Tighten to 48 Nm (35 lb-ft).
10. Attach the EVAP canister purge valve to the bracket.

Scheme 61

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Remove the 4 nuts and disconnect the dual converter Y-pipe from the exhaust manifolds.
3. Remove the bolts and the RH exhaust manifold heat shield.
4. Remove the pushpins and the splash shield.
5. Remove the 8 nuts, the RH exhaust manifold and the gaskets. Discard the nuts and the gaskets.
6. Remove and discard the 8 RH exhaust manifold studs.

1. Inspect the exhaust manifold gasket mating surfaces for flatness. For additional information, refer to «ENGINE SYSTEM - GENERAL INFORMATION»(ref-270909) .
2. Install 8 new RH exhaust manifold studs. Tighten to 12 Nm (9 lb-ft).
3. Position the new gaskets, the RH exhaust manifold and install new nuts finger-tight.
4. Tighten the nuts in the sequence shown. Tighten to 25 Nm (18 lb-ft).
5. Position the splash shield and install the pushpins.
6. Position the heat shield and install the bolts. Tighten to 10 Nm (89 lb-in).
7. Connect the dual converter Y-pipe to the exhaust manifolds and install the nuts. Tighten to 40 Nm (30 lb-ft).

Scheme 62

1. For additional information, refer to the appropriate procedures.

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Remove the front axle, if equipped. For additional information, refer to «FRONT DRIVE AXLE/DIFFERENTIAL - DANA 30»(ref-270887) .
3. Remove the stabilizer bar. For additional information, refer to «FRONT SUSPENSION - REAR WHEEL DRIVE (RWD)»(ref-270896) .
4. Remove the drain plug and drain the engine oil Install the drain plug when finished. Tighten to 23 Nm (17 lb-ft).
5. Remove the nut and position the power steering pressure (PSP) hose bracket aside.
6. Remove the nut and position the battery cable bracket aside.
7. Disconnect the oil temperature sensor electrical connector.
8. Detach the wiring harness retainers from the RH side oil pan bolts.
9. Remove the bolts and the oil drain splash shield.
10. If equipped with a block heater, detach the block heater wiring harness retainer from the LH side oil pan bolt.
11. Remove the bolts, the oil pan and the gasket. Discard the gasket.

1. Clean and inspect the sealing surfaces with silicone gasket remover, metal surface prep, and a plastic scraper. Follow the directions on the packaging.
2. Apply silicone gasket and sealant in 2 places as shown.
3. Apply silicone gasket and sealant in 2 places as shown.
4. Position a new oil pan gasket and the oil pan and install the bolts finger-tight.
5. Tighten the bolt in 3 stages in the sequence shown. Stage 1: Tighten to 2 Nm (18 lb-in). Stage 2: Tighten to 20 Nm (15 lb-ft). Stage 3: Tighten an additional 60 degrees.
6. If equipped with a block heater, attach the block heater wiring harness retainer to the LH oil pan bolt.
7. Position the oil drain splash shield and install the bolts. Tighten to 12 Nm (9 lb-ft).
8. Attach the wiring harness retainers to the RH oil pan bolts.
9. Connect the oil temperature sensor electrical connector.
10. Attach the battery cable bracket and install the nut. Tighten to 10 Nm (89 lb-in).
11. Attach the PSP hose bracket and install the nut. Tighten to 10 Nm (89 lb-in).
12. Install the stabilizer bar. For additional information, refer to «FRONT SUSPENSION - REAR WHEEL DRIVE (RWD)»(ref-270896) .
13. Install the front axle, if equipped. For additional information, refer to «FRONT DRIVE AXLE/DIFFERENTIAL - DANA 30»(ref-270887) .
14. Fill the engine with clean engine oil.

1. Remove the oil pan. For additional information, refer to «Engine Lubrication Components - Exploded View»(ref-270890-S41567236262007110700000) and «Oil Pan»(ref-270890-S33109342972007110700000) .
2. Remove the bolts and the oil pump screen and pickup tube.

1. Position the oil pump screen and pickup tube and install the bolts. Tighten the oil pump screen and pickup tube-to-oil pump bolts to 10 N.m (89 lb-in). Tighten the oil pump screen and pickup tube-to-spacer bolt to 25 N.m (18 lb-ft).
2. Install the oil pan. For additional information, refer to «Engine Lubrication Components - Exploded View»(ref-270890-S41567236262007110700000) and «Oil Pan»(ref-270890-S33109342972007110700000) .

1. Remove the oil pan. For additional information, refer to «Engine Lubrication Components - Exploded View»(ref-270890-S41567236262007110700000) and «Oil Pan»(ref-270890-S33109342972007110700000) .
2. Remove the timing drive components. For additional information, refer to «Timing Drive Components»(ref-270890-S17050061902007110700000) .
3. Remove the bolts and the oil pump screen and pickup tube.
4. Remove the 3 bolts and the oil pump.

1. Clean the sealing surfaces with metal surface prep. Follow the directions on the packaging. Inspect the mating surfaces.
2. Position the oil pump and install the bolts. Tighten to 10 N.m (89 lb-in).
3. Position the oil pump screen and pickup tube and install the bolts. Tighten the oil pump screen and pickup tube-to-oil pump bolts to 10 N.m (89 lb-in). Tighten the oil pump screen and pickup tube-to-spacer bolt to 25 N.m (18 lb-ft).
4. Install the timing drive components. For additional information, refer to «Timing Drive Components»(ref-270890-S17050061902007110700000) .
5. Install the oil pan. For additional information, refer to «Engine Lubrication Components - Exploded View»(ref-270890-S41567236262007110700000) and «Oil Pan»(ref-270890-S33109342972007110700000) .

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Drain the engine cooling system. For additional information, refer to «ENGINE COOLING»(ref-270902) .
3. Drain the engine oil. Install the drain plug and tighten to 23 Nm (17 lb-ft).
4. Disconnect the engine oil pressure switch electrical connector.
5. Disconnect the lower radiator hose and position it aside.
6. Remove and discard the engine oil filter. To install, lubricate the oil filter gasket with clean engine oil and tighten until the seal makes contact. Using an oil filter strap wrench, tighten the filter an additional 270 degrees.
7. Remove the 4 bolts and the oil filter adapter. To install, tighten to 25 Nm (18 lb-ft).
8. Remove and discard the oil filter adapter gasket. Clean the sealing surfaces with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Inspect the mating surfaces.
9. To install, reverse the removal procedure. Fill the engine with clean engine oil.
10. Fill and bleed the engine cooling system. For additional information, refer to «ENGINE COOLING»(ref-270902) .

1. Remove the LH exhaust manifold. For additional information, refer to «Exhaust Manifold - LH»(ref-270890-S33704256252007110700000) .
2. Remove the oil level indicator and tube bolt. To install, tighten to 10 Nm (89 lb-in).
3. Remove the oil level indicator and tube from the cylinder block.
4. Remove and discard the O-ring seal.
5. To install, reverse the removal procedure.

All vehicles

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Remove the engine cooling fan. For additional information, refer to «ENGINE COOLING»(ref-270902) .
3. Remove the throttle body (TB). For additional information, refer to «FUEL CHARGING AND CONTROLS - 4.6L (3V)»(ref-270905) .
4. Remove the alternator. For additional information, refer to «GENERATOR AND REGULATOR»(ref-270906) .
5. Disconnect the positive crankcase ventilation (PCV) valve hose.
6. Remove the bolts and position the heated PCV fitting aside.
7. Disconnect the evaporative emission (EVAP) hose.
8. Remove the 5 pushpins and the splash shield.
9. Remove the RH engine support insulator upper nuts. To install, tighten to 90 Nm (66 lb-ft).
10. Remove the LH engine support insulator through bolt. To install, tighten to 103 Nm (76 lb-ft).
11. Install the special tools and raise the engine approximately 70 mm (2.75 in).
12. Remove the RH engine support insulator lower nut. To install, tighten to 90 Nm (66 lb-ft).
13. Remove the RH engine support insulator.
14. Remove the bolts and allow the stabilizer bar to hang freely. To install, tighten to 70 Nm (52 lb-ft).
15. Support the axle housing with a suitable jack stand.
16. Disconnect the vent hose from the differential housing vent tube.
17. Remove and discard the 3 bolts and 3 flag nuts. To install, tighten to 66 Nm (49 lb-ft).
18. Lower the differential housing approximately 25 mm (1 in).
19. Remove the LH engine support insulator nut. To install, tighten to 90 Nm (66 lb-ft).
20. Remove the engine support insulator.
21. To install, reverse the removal procedure. If equipped, install new differential housing bolts and flag nuts.

Special Tools Illustration Tool Name Tool Number Modular Engine Lift Bracket 303-F047 (014-00073) or equivalent

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-270881) .
2. Disconnect the windshield washer hose.
3. Remove the 4 bolts and the hood.
4. Remove the intake manifold. For additional information, refer to «Intake Manifold»(ref-270890-S16274743342007110700000) .
5. Open the cover, remove the nuts and disconnect the wiring harness terminals.
6. Remove the cooling fan. For additional information, refer to «ENGINE COOLING»(ref-270902) .
7. Drain the cooling system. For additional information, refer to «ENGINE COOLING»(ref-270902) .
8. Rotate the accessory drive belt tensioner clockwise and remove the accessory drive belt.
9. Disconnect the electrical connector.
10. Disconnect the heated PCV fitting coolant hose.
11. Detach the wiring harness retainer from the cooling fan wiring harness bracket.
12. Loosen the nuts.
13. Remove the bolts and the alternator, the alternator bracket and the wiring harness as an assembly.
14. Disconnect the heater hose.
15. Remove the upper radiator hose.
16. Remove the bolts, the coolant crossover manifold, the gaskets, the heated PCV fitting and the heated PCV fitting coolant hose as an assembly. Discard the gaskets.
17. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector.
18. Detach the heater hose retainer from the RH valve cover.
19. Disconnect the in-line electrical connector and the 2 powertrain control module (PCM) electrical connectors, and detach the wiring harness pin-type retainer.
20. Disconnect the heater hose.
21. Remove the nut and disconnect the ground wire.
22. Remove the transmission. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60»(ref-270910) .
23. Remove the 3 screws, the 3 pushpins and the inner fender splash shield.
24. Remove the nut and detach the power steering pressure hose bracket.
25. Remove the nut and detach the wiring harness bracket.
26. Remove the nuts and detach the wiring harness bracket.
27. Detach the wiring harness retainer from the power steering pump stud bolt.
28. Remove the stud bolts and position the power steering pump aside.
29. Disconnect the lower radiator hose from the oil filter adapter.
30. Disconnect the A/C clutch electrical connector and detach the wiring harness retainer. Remove the nut and detach the A/C hose bracket.
31. Remove the 2 nuts, the stud bolt and position the A/C compressor aside.
32. Remove the oil drain plug and drain the engine oil. Install the drain plug when finished. Tighten to 23 Nm (17 lb-ft).
33. Remove the oil temperature sensor.
34. Remove the bolt and detach the wiring harness bracket from the RH engine support insulator bracket.
35. Remove the pushpins and the RH splash shield.
36. Remove the RH engine support insulator nuts.
37. If equipped, disconnect the block heater electrical connector and detach the wiring harness retainers.
38. Remove the LH engine support insulator through bolt.
39. Install the special tool.
40. Attach a suitable floor crane to the special tool installed in the previous step and remove the engine from the vehicle.