REMOVAL
Housing removal is not necessary for element (filter) replacement.
Scheme 237
| 1 - AIR CLEANER ELEMENT COVER |
| 2 - TABS |
| 3 - HOUSING |
- Pry up spring clips from housing cover (spring clips retain cover to housing).
- Release housing cover from locating tabs on housing and remove cover. (Scheme 237)
- Remove air cleaner element (filter) from housing.
- Clean inside of housing before replacing element.
INSTALLATION
- Install element into housing.
- Position housing cover into housing locating tabs.
- Pry up spring clips and lock cover to housing.
| ITEM | DESCRIPTION | TORQUE |
| 1 | Cover Fasteners | 12 N.m (105 in. lbs.) |
Scheme 238
Scheme 239
Scheme 240
- Remove cylinder head cover (1) «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)»(ref-247617-S29450297422007020100000) . 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT forcefully rotate the camshafts or crankshaft independently of each other. Severe valve and/or piston damage can occur. CAUTION: When removing the cam sprocket, timing chains or camshaft, Failure to use Special Tool 8350 will result in hydraulic tensioner ratchet over extension, requiring timing chain cover removal to reset the tensioner ratchet.
- Set engine to TDC cylinder #1, camshaft sprocket V8 marks at the 12 o'clock position (1).
- Mark one link on the secondary timing chain on both sides of the V8 mark on the camshaft sprocket to aid in installation. CAUTION: Do not hold or pry on the camshaft target wheel (Located on the right side camshaft sprocket) for any reason, Severe damage will occur to the target wheel resulting in a vehicle no start condition.
- Loosen but DO NOT remove the camshaft sprocket retaining bolt. Leave the bolt snug against the sprocket. 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD 3 - SPECIAL TOOL 8350 WEDGE 4 - SPECIAL TOOL 8350 WEDGE NOTE: The timing chain tensioners must be secured prior to removing the camshaft sprockets. Failure to secure tensioners will allow the tensioners to extend, requiring timing chain cover removal in order to reset tensioners. CAUTION: Do not force wedge past the narrowest point between the chain strands. Damage to the tensioners may occur.
- Position Special Tool 8350 (4) timing chain wedge between the timing chain strands, tap the tool to securely wedge the timing chain against the tensioner arm and guide. 1 - CAMSHAFT SPROCKET AND CHAIN 2 - ADJUSTABLE PLIERS 3 - CAMSHAFT NOTE: When gripping the camshaft, place the pliers on the tube portion of the camshaft only. Do not grip the lobes or the sprocket areas.
- Hold the camshaft (3) with adjustable pliers (2) while removing the camshaft sprocket bolt and sprocket (1).
- Using the pliers, gently allow the camshaft to rotate 15° clockwise until the camshaft is in the neutral position (no valve load).
- Starting at the outside working inward, loosen the camshaft bearing cap retaining bolts 1/2 turn at a time. Repeat until all load is off the bearing caps. CAUTION: DO NOT STAMP OR STRIKE THE CAMSHAFT BEARING CAPS. SEVERE DAMAGE WILL OCCUR TO THE BEARING CAPS. NOTE: When the camshaft is removed the rocker arms may slide downward, mark the rocker arms before removing camshaft.
- Remove the camshaft bearing caps and the camshaft.
Scheme 241
Scheme 242
- Lubricate camshaft journals with clean engine oil. NOTE: Position the left side camshaft so that the camshaft sprocket dowel is near the 1 o'clock position, This will place the camshaft at the neutral position easing the installation of the camshaft bearing caps.
- Position the camshaft into the cylinder head.
- Install the camshaft bearing caps, hand tighten the retaining bolts.
- Working in 1/2 turn increments, tighten the bearing cap retaining bolts starting with the middle cap working outward.
- Torque the camshaft bearing cap retaining bolts to 11 N.m (100 in. lbs.). 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD
- Position the camshaft drive gear into the timing chain aligning the V8 mark between the two marked chain links (Two links marked during removal) (1). 1 - ADJUSTABLE PLIERS 2 - CAMSHAFT DOWEL NOTE: When gripping the camshaft, place the pliers on the tube portion of the camshaft only. Do not grip the lobes or the sprocket areas.
- Using the adjustable pliers (1), rotate the camshaft until the camshaft sprocket dowel (2) is aligned with the slot in the camshaft sprocket. Install the sprocket onto the camshaft. CAUTION: Remove excess oil from camshaft sprocket bolt. Failure to do so can cause bolt over-torque resulting in bolt failure.
- Remove excess oil from bolt, then install the camshaft sprocket retaining bolt and hand tighten. 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD 3 - SPECIAL TOOL 8350 WEDGE 4 - SPECIAL TOOL 8350 WEDGE
- Remove Special Tool 8350 timing chain wedge (4). 1 - TORQUE WRENCH 2 - CAMSHAFT SPROCKET 3 - LEFT CYLINDER HEAD 4 - SPECIAL TOOL 6958 SPANNER WITH ADAPTER PINS 8346
- Using Special Tool 6958 spanner wrench (4) with adapter pins 8346, torque the camshaft sprocket retaining bolt (2) to 122 N.m (90 ft. lbs.). ITEM DESCRIPTION TORQUE 1 Cover Fasteners 12 N.m (105 in. lbs.)
- Install the cylinder head cover (1).
| CAUTION | When the timing chain is removed and the cylinder heads are still installed, DO NOT forcefully rotate the camshafts or crankshaft independently of each other. Severe valve and/or piston damage can occur. |
| CAUTION | When removing the cam sprocket, timing chains or camshaft, Failure to use special tool 8350 will result in hydraulic tensioner ratchet over extension, Requiring timing chain cover removal to reset the tensioner ratchet. |
Scheme 243
Scheme 244
- Remove the cylinder head covers «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)»(ref-247617-S29450297422007020100000).
- Set engine to TDC cylinder #1, camshaft sprocket V8 marks at the 12 o'clock position.
- Mark one link on the secondary timing chain on both sides of the V8 mark on the camshaft sprocket to aid in installation. CAUTION: Do not hold or pry on the camshaft target wheel for any reason, Severe damage will occur to the target wheel. A damaged target wheel could cause a vehicle no start condition.
- Loosen but DO NOT remove the camshaft sprocket retaining bolt. Leave bolt snug against sprocket. NOTE: The timing chain tensioners must be secured prior to removing the camshaft sprockets. Failure to secure tensioners will allow the tensioners to extend, requiring timing chain cover removal in order to reset tensioners. CAUTION: Do not force wedge past the narrowest point between the chain strands. Damage to the tensioners may occur. 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD 3 - SPECIAL TOOL 8350 WEDGE 4 - SPECIAL TOOL 8350 WEDGE
- Position Special Tool 8350 timing chain wedge between the timing chain strands. Tap the tool to securely wedge the timing chain against the tensioner arm and guide. see scheme 95 1 - CRANKSHAFT POSITION SENSOR 2 - CYLINDER HEAD COVER 3 - CAMSHAFT POSITION SENSOR 4 - RIGHT SIDE CYLINDER BLOCK
- Remove the camshaft position sensor. (Scheme 243) NOTE: When gripping the camshaft, place the pliers on the tube portion of the camshaft only. Do not grip the lobes or the sprocket areas. 1 - ADJUSTABLE PLIERS 2 - SPROCKET BOLT 3 - CAMSHAFT SPROCKET AND CHAIN 4 - CAMSHAFT
- Hold the camshaft with adjustable pliers while removing the camshaft sprocket bolt and sprocket. (Scheme 244)
- Using the pliers, gently allow the camshaft to rotate 45° counterclockwise until the camshaft is in the neutral position (no valve load).
- Starting at the outside working inward, loosen the camshaft bearing cap retaining bolts 1/2 turn at a time. Repeat until all load is off the bearing caps. CAUTION: DO NOT STAMP OR STRIKE THE CAMSHAFT BEARING CAPS. SEVERE DAMAGE WILL OCCUR TO THE BEARING CAPS. NOTE: When the camshaft is removed the rocker arms may slide downward, mark the rocker arms before removing camshaft.
- Remove the camshaft bearing caps and the camshaft.
Scheme 245
- Lubricate camshaft journals with clean engine oil. NOTE: Position the right side camshaft so that the camshaft sprocket dowel is near the 10 o'clock position, This will place the camshaft at the neutral position easing the installation of the camshaft bearing caps.
- Position the camshaft into the cylinder head.
- Install the camshaft bearing caps, hand tighten the retaining bolts.
- Working in 1/2 turn increments, tighten the bearing cap retaining bolts starting with the middle cap working outward. see scheme 98
- Torque the camshaft bearing cap retaining bolts to 11 N.m (100 in. lbs.). 1 - LEFT CYLINDER HEAD 2 - RIGHT CYLINDER HEAD
- Position the camshaft drive gear into the timing chain aligning the V8 mark between the two marked chain links (Two links marked during removal). see scheme 99 NOTE: When gripping the camshaft, place the pliers on the tube portion of the camshaft only. Do not grip the lobes or the sprocket areas. 1 - ADJUSTABLE PLIERS 2 - CAMSHAFT DOWEL
- Using the adjustable pliers, rotate the camshaft until the camshaft sprocket dowel is aligned with the slot in the camshaft sprocket. Install the sprocket onto the camshaft. see scheme 100 CAUTION: Remove excess oil from camshaft sprocket bolt. Failure to do so can cause bolt over-torque resulting in bolt failure.
- Remove excess oil from camshaft sprocket bolt, then install the camshaft sprocket retaining bolt and hand tighten.
- Remove timing chain wedge special tool 8350. see scheme 95 1 - TORQUE WRENCH 2 - SPECIAL TOOL 6958 WITH ADAPTER PINS 8346 3 - LEFT CAMSHAFT SPROCKET 4 - RIGHT CAMSHAFT SPROCKET
- Using Special Tool 6958 spanner wrench with adapter pins 8346, torque the camshaft sprocket retaining bolt to 122 N.m (90 ft. lbs.). (Scheme 245)
- Install the camshaft position sensor. (Scheme 243)
- Install the cylinder head cover «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION)»(ref-247617-S22939206492007020100000).
REMOVAL - RIGHT SIDE
- Disconnect battery negative cable.
- Remove air cleaner assembly, resonator assembly and air inlet hose.
- Drain cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
- Remove accessory drive belt «(Refer to COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL)»(ref-247624-S17004004882007020100000) .
- Remove air conditioning compressor retaining bolts and move compressor to the left.
- Remove heater hoses.
- Disconnect injector and ignition coil connectors.
- Disconnect and remove positive crankcase ventilation (PCV) hose.
- Remove oil fill tube.
- Unclip injector and ignition coil harness and move away from cylinder head cover.
- Remove right rear breather tube and filter assembly.
- Remove cylinder head cover retaining bolts.
- Remove cylinder head cover.
Note. The gasket may be used again, provided no cuts, tears, or deformation has occurred.
REMOVAL - LEFT SIDE
- Disconnect negative cable from battery.
- Remove the resonator assemble and air inlet hose.
- Disconnect injector connectors and unclip the injector harness.
- Route injector harness in front of cylinder head cover.
- Disconnect the left side breather tube and remove the breather tube.
- Remove the cylinder head cover mounting bolts.
- Remove cylinder head cover and gasket.
Note. The gasket may be used again, provided no cuts, tears, or deformation has occurred.
INSTALLATION - RIGHT SIDE
| ITEM | DESCRIPTION | TORQUE |
| 1 | Cover Fasteners | 12 N.m (105 in. lbs.) |
| CAUTION | Do not use harsh cleaners to clean the cylinder head covers. Severe damage to covers may occur. |
- Clean cylinder head cover and both sealing surfaces. Inspect and replace gasket as necessary.
- Install cylinder head cover and hand start all fasteners (1). Verify that all double ended studs are in the correct location shown in illustration.
- Tighten cylinder head cover bolts and double ended studs to 12 N.m (105 in. lbs).
- Install right rear breather tube and filter assembly.
- Connect injector, ignition coil electrical connectors and harness retaining clips.
- Install the oil fill tube.
- Install PCV hose.
- Install heater hoses.
- Install air conditioning compressor retaining bolts.
- Install accessory drive belt «(Refer to COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION)»(ref-247624-S16163766032007020100000) .
- Fill Cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
- Install air cleaner assembly, resonator assembly and air inlet hose.
- Connect battery negative cable.
INSTALLATION - LEFT SIDE
| ITEM | DESCRIPTION | TORQUE |
| 1 | Cover Fasteners | 12 N.m (105 in. lbs.) |
| CAUTION | Do not use harsh cleaners to clean the cylinder head covers. Severe damage to covers may occur. |
- Clean cylinder head cover and both sealing surfaces. Inspect and replace gasket as necessary.
- Install cylinder head cover and hand start all fasteners. Verify that all studs are in the correct location shown in illustration.
- Tighten cylinder head cover bolts (1) and double ended studs to 12 N.m (105 in. lbs.).
- Install left side breather and connect breather tube.
- Connect injector electrical connectors and injector harness retaining clips.
- Install the resonator and air inlet hose.
- Connect negative cable to battery.
| CAUTION | Make sure the rocker arms are installed with the concave pocket over the lash adjusters. Failure to do so may cause severe damage to the rocker arms and/or lash adjusters. |
Note. Coat the rocker arms with clean engine oil prior to installation.
- For rocker arm installation on cylinders 3 and 5 Rotate the crankshaft until cylinder #1 is at TDC exhaust stroke.
- For rocker arm installation on cylinders 2 and 8 Rotate the crankshaft until cylinder #1 is at TDC compression stroke.
- For rocker arm installation on cylinders 4 and 6 Rotate the crankshaft until cylinder #3 is at TDC compression stroke.
- For rocker arm installation on cylinders 1 and 7 Rotate the crankshaft until cylinder #2 is at TDC compression stroke.
- Using special tool 8516 press downward on the valve spring, install rocker arm. see scheme 105
- Install the cylinder head cover «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION)»(ref-247617-S22939206492007020100000).
| 1 - CAMSHAFT |
| 2 - SPECIAL TOOL 8516 |
- Remove the cylinder head cover «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)»(ref-247617-S29450297422007020100000) .
- Using Special Tool 8516 Rocker Arm Remover (2), remove the rocker arms and the hydraulic lash adjusters.
- Remove the spark plug for the cylinder the valve spring and seal are to be removed from.
- Apply shop air to the cylinder to hold the valves in place when the spring is removed NOTE: All eight valve springs and seals are removed in the same manner; this procedure only covers one valve seal and valve spring.
- Using Special Tool 8387 Valve Spring Compressor, compress the valve spring. NOTE: It may be necessary to tap the top of the valve spring to loosen the spring retainers locks enough to be removed.
- Remove the two spring retainer lock halves. NOTE: the valve spring is under tension use care when releasing the valve spring compressor.
- Remove the valve spring compressor.
- Remove the spring retainer, and the spring.
- Remove the valve stem seal.
Note. The valve stem seals are common between intake and exhaust.
| 1 - VALVE LOCKS (3-BEAD) |
| 2 - RETAINER |
| 3 - VALVE STEM OIL SEAL |
| 4 - INTAKE VALVE |
| 5 - EXHAUST VALVE |
| 6 - VALVE SPRING |
- Coat the valve stem with clean engine oil and install the valve stem seal. Make sure the seal is fully seated and that the garter spring at the top of the seal is intact.
- Install the spring (6) and the spring retainer (2).
- Using Special Tool 8387 Valve Spring Compressor, compress the spring and install the two valve spring retainer halves.
- Release the valve spring compressor and make sure the two spring retainer halves and the spring retainer are fully seated.
- Position the hydraulic lash adjusters and rocker arms.
- Install the cylinder head cover «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION)»(ref-247617-S22939206492007020100000) .
Note. Thoroughly clean core plug bore, remove all of the old sealer.
- Coat the edges of the engine core plug and the core plug bore with Mopar Gasket Maker, or equivalent. NOTE: It is not necessary to wait for the sealant to cure on the core plugs. The cooling system can be filled and the vehicle returned to service immediately.
- Using proper plug driver, drive core plug into the core plug bore. The sharp edge of the core plug should be at least 0.50 mm (0.020 in.) inside the lead in chamfer.
- Refill the cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
Note. To remove the crankshaft from the engine, the engine must be removed from the vehicle.
Scheme 246
- Remove the engine. «(Refer to ENGINE - REMOVAL)»(ref-247617-S32467188622007020100000) .
- Remove the engine oil pump. «(Refer to ENGINE/LUBRICATION/OIL PUMP - REMOVAL)»(ref-247617-S01865306852007020100000) . CAUTION: DO NOT pry on the oil pan gasket when removing the oil pan, The oil pan gasket is mounted to the cylinder block in three locations and will remain attached to block when removing oil pan. Gasket can not be removed with oil pan.
- Remove oil pan. «(Refer to ENGINE/LUBRICATION/OIL PAN - REMOVAL)»(ref-247617-S38449848792007020100000) .
- Remove the oil pump pickup tube and oil pan gasket/windage tray.
- Remove the bedplate mounting bolts. Note the location of the three stud bolts for installation.
- Remove the connecting rods from the crankshaft. 1 - CYLINDER BLOCK 2 - BEDPLATE 3 - PRY POINT CAUTION: The bedplate to cylinder block mating surface is a critical sealing surface. Do not pry on or damage this surface in anyway. NOTE: The bedplate contains the lower main bearing halves. Use care when handling bedplate as not to drop or damage bearing halves. Installing main bearing halves in the wrong position will cause sever damage to the crankshaft. NOTE: The bedplate has pry points cast into it. Use these points only. The pry points are on both the left and right sides, only the left side is shown.
- Carefully pry on the pry points to loosen the bedplate then remove the bedplate. CAUTION: When removing the crankshaft, use care not to damage bearing surfaces on the crankshaft.
- Remove the crankshaft.
- Remove the crankshaft target wheel.
- Position the flexplate onto the crankshaft and install the bolts hand tight.
- Tighten the flexplate retaining bolts to 60 N.m (45 ft. lbs.) in the sequence shown in illustration.
- Install the transmission. «(Refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - INSTALLATION)»(ref-247628-S21405496802007020100000) .
| 1 - "F" TOWARD FRONT OF ENGINE |
| 2 - OIL SLINGER SLOT |
| 3 - RING COMPRESSOR |
| 4 - SPECIAL TOOL 8507 |
Scheme 247
- Before installing piston and connecting rod assemblies into the bore, install the piston rings.
- Immerse the piston head and rings in clean engine oil. Position a ring compressor (3) over the piston and rings. Tighten ring compressor. Ensure position of rings do not change during this operation.
- Position bearing onto connecting rod. Ensure that hole in bearing shell aligns with hole in connecting rod. Lubricate bearing surface with clean engine oil.
- Install Special Tool 8507 Connecting Rod Guides (4) into connecting rod bolt threads. 1 - MAJOR THRUST SIDE OF PISTON 2 - OIL SLINGER SLOT
- The pistons are marked on the piston pin bore surface with an raised "F" indicating installation position (1). This mark must be pointing toward the front of engine on both cylinder banks. The connecting rod oil slinger slot faces the front of the engine.
- Wipe cylinder bore clean and lubricate with engine oil.
- Rotate crankshaft until connecting rod journal is on the center of cylinder bore. Insert rod and piston into cylinder bore and carefully position connecting rod guides over crankshaft journal.
- Tap piston down in cylinder bore using a hammer handle. While at the same time, guide connecting rod into position on rod journal. CAUTION: Connecting Rod Bolts are Torque to Yield Bolts and Must Not Be Reused. Always replace the Rod Bolts whenever they are loosened or removed.
- Lubricate rod bolts and bearing surfaces with engine oil. Install connecting rod cap and bearing. Tighten bolts to 27 N.m (20 ft. lbs.) plus 90°.
- Install the following components: Cylinder head(s) «(Refer to ENGINE/CYLINDER HEAD - INSTALLATION)»(ref-247617-S27966829572007020100000) . Timing chain and cover. «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN COVER(S) - INSTALLATION)»(ref-247617-S23798441702007020100000) . Cylinder head covers «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION)»(ref-247617-S22939206492007020100000) . Oil pan and gasket/windage tray. «(Refer to ENGINE/LUBRICATION/OIL PAN - INSTALLATION)»(ref-247617-S28064470412007020100000) .
- Fill crankcase with proper engine oil to correct level.
- Connect negative cable to battery.
Scheme 248
Scheme 248: STANDARD PROCEDURE - PISTON RING FITTING
Before reinstalling used rings or installing new rings, the ring clearances must be checked.
Scheme 249
Scheme 250
Scheme 251
Scheme 252
- Wipe the cylinder bore clean.
- Insert the ring in the cylinder bore. NOTE: The ring gap measurement must be made with the ring positioned at least 12 mm (0.50 inch.) from bottom of cylinder bore.
- Using a piston, to ensure that the ring is squared in the cylinder bore, slide the ring downward into the cylinder.
- Using a feeler gauge (1) check the ring end gap. Replace any rings not within specification. 1 - FEELER GAUGE PISTON RING SIDE CLEARANCE NOTE: Make sure the piston ring grooves are clean and free of nicks and burrs.
- Measure the ring side clearance as shown in illustration. Make sure the feeler gauge (1) fits snugly between the ring land and the ring. Replace any ring not within specification.
- Rotate the ring around the piston, the ring must rotate in the groove with out binding. PISTON RING SPECIFICATION CHART Ring Position Groove Clearance Maximum Clearance Upper Ring .051-.094 mm 0.11 mm (0.0020-.0037 in.) (0.004 in.) Intermediate Ring 0.04-0.08 mm 0.10 mm (0.0016-0.0031 in.) (0.004 in.) Oil Control Ring .019-.229 mm .25 mm (Steel Rails) (.0007-.0090 in.) (0.010 in.) Ring Position Ring Gap Wear Limit Upper Ring 0.20-0.36 mm 0.43 mm - (0.0079-0.0142 in.) (0.0017 in.) Intermediate Ring 0.37-0.63 mm 0.74 mm - (0.0146-0.0249 in.) (0.029 in.) Oil Control Ring 0.025-0.76 mm 1.55 mm (Steel Rail) (0.0099- 0.03 in.) (0.061 in.) 1 - SIDE RAIL END
- The No. 1 and No. 2 piston rings have a different cross section. Ensure No. 2 ring is installed with manufacturers I.D. mark (Dot) facing up, towards top of the piston. NOTE: Piston rings are installed in the following order: Oil ring expander. Upper oil ring side rail. Lower oil ring side rail. No. 2 Intermediate piston ring. No. 1 Upper piston ring.
- Install the oil ring expander.
- Install upper side rail (1) by placing one end between the piston ring groove and the expander ring. Hold end firmly and press down the portion to be installed until side rail is in position. Repeat this step for the lower side rail.
- Install No. 2 intermediate piston ring using a piston ring installer.
- Install No. 1 upper piston ring using a piston ring installer. 1 - SIDE RAIL UPPER 2 - NO. 1 RING GAP 3 - PISTON PIN 4 - SIDE RAIL LOWER 5 - NO. 2 RING GAP AND SPACER EXPANDER GAP
- Position piston ring end gaps as shown in illustration. It is important that expander ring gap (5) is at least 45° from the side rail gaps, but not on the piston pin center or on the thrust direction.
Scheme 253
| 1 - SPECIAL TOOL 6958 SPANNER WRENCH WITH ADAPTER PINS 8346 |
| 2 - FAN |
- Disconnect negative cable from battery.
- Remove accessory drive belt «(Refer to COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL)»(ref-247624-S17004004882007020100000) .
- Drain cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
- Remove radiator upper hose.
- Remove upper fan shroud.
- Using Special Tools 6958 Spanner with Adapter Pins 8346 (1), loosen fan and viscous assembly from water pump.
- Remove fan and viscous assembly.
- Disconnect electrical connector for fan mounted inside radiator shroud. 1 - SPECIAL TOOL 8513 INSERT 2 - SPECIAL TOOL 1026 NOTE: Transmission cooler line snaps into shroud lower right hand corner.
- Remove crankshaft damper bolt.
- Remove damper using Special Tools 8513 Insert and 1026 Three Jaw Puller (2).
Scheme 254
| 1 - BEARING |
| 2 - NUT |
| 3 - THREADED ROD |
| 4 - BEARING HARDENED SURFACE (FACING NUT) |
| 5 - HARDENED WASHER |
| CAUTION | To prevent severe damage to the Crankshaft, Damper or Special Tool 8512-A, thoroughly clean the damper bore and the crankshaft nose before installing Damper. |
Scheme 255
- Align crankshaft damper slot with key in crankshaft. Slide damper onto crankshaft slightly. CAUTION: Special Tool 8512-A, is assembled in a specific sequence. Failure to assemble this tool in this sequence can result in tool failure and severe damage to either the tool or the crankshaft.
- Assemble Special Tool 8512-A as follows, The nut (2) is threaded onto the shaft first. Then the roller bearing (1) is placed onto the threaded rod (3) (The hardened bearing surface of the bearing (1) MUST face the nut (2). Then the hardened washer (5) slides onto the threaded rod. Once assembled coat the threaded rod's threads with Mopar® Nickel Anti-Seize or equivalent. 1 - SPECIAL TOOL 8512
- Using Special Tool 8512-A, press damper onto crankshaft (1).
- Install then tighten crankshaft damper bolt to 175 N.m (130 ft. lbs.).
- Install fan blade assembly. Refer to «COOLING»(ref-247624) .
- Install radiator upper shroud and tighten fasteners to 11 N.m (95 in. lbs.).
- Connect electrical connector for shroud fan.
- Install radiator upper hose.
- Install accessory drive belt «(Refer to COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION)»(ref-247624-S16163766032007020100000) .
- Refill cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
- Connect negative cable to battery.
| 1 - BOLT |
| 2 - BOLT |
| 3 - BOLT |
| CAUTION | The structural cover must be installed as described in the following steps. Failure to do so will cause severe damage to the cover. |
- Position the structural cover in the vehicle.
- Install all four bolts retaining the cover-to-engine. DO NOT tighten the bolts at this time.
- Install the four cover-to-transmission bolts. Do NOT tighten at this time. CAUTION: The structural cover must be held tightly against both the engine and the transmission bell housing during tightening sequence. Failure to do so may cause damage to the cover.
- Starting with the two rear cover-to-engine bolts, tighten bolts (1) to 54 N.m (40 ft. lbs.), then tighten bolts (2) and (3) to 54 N.m ( 40 ft. lbs.) in the sequence shown. see scheme 146
- Install the exhaust pipe on left hand exhaust manifold.
- Tighten exhaust manifold-to-exhaust pipe retaining bolts to 20-26 N.m (15-20 ft. lbs.).
Note. Threadlocking compound must be applied to the bolts before installation.
- Install the two bolts that attach the transmission mount to the transmission bracket.
- Torque the bolts to 61 N.m (45 ft. lbs.) torque.
- Lower the transmission so the transmission mount rests on the crossmember, and the studs of the transmission mount are aligned in the slots in the crossmember.
- Install the nuts onto the transmission mount studs through the crossmember access slot.
- Torque the nuts to 54 N.m (40 ft. lbs.).
| 1 - BELT |
| 2 - OIL PRESSURE SENSOR |
| 3 - OIL FILTER |
| 4 - ELEC. CONNECTOR |
- Disconnect the negative cable from the battery.
- Raise vehicle on hoist.
- Remove front splash shield.
- Disconnect oil pressure sender wire (4).
- Remove the pressure sender (2).
- Install oil pressure sender.
- Connect oil pressure sender wire.
- Install front splash shield.
- Lower vehicle.
- Connect the negative battery cable.
- Remove the oil pan and pick-up tube «(Refer to ENGINE/LUBRICATION/OIL PAN - REMOVAL)»(ref-247617-S38449848792007020100000) .
- Remove the timing chain cover «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN COVER(S)- REMOVAL)»(ref-247617-S42294480202007020100000) .
- Remove the timing chains and tensioners «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - REMOVAL)»(ref-247617-S40471753452007020100000) .
- Remove the four bolts, primary timing chain tensioner and the oil pump.
- Install intake manifold gaskets.
- Position intake manifold.
- Install intake manifold retaining bolts and tighten in sequence see scheme 171to 12 N.m (105 in. lbs.).
- Install left and right radio suppressor straps.
- Install throttle body assembly.
- Install throttle cable bracket.
- Connect throttle cable and speed control cable to throttle body.
- Install fuel rail «(Refer to FUEL SYSTEM/FUEL DELIVERY/FUEL RAIL - INSTALLATION)»(ref-247623-S03784462452007020100000).
- Install ignition coil towers. Refer to «IGNITION SYSTEM - SERVICE INFORMATION»(ref-247622).
- Position and install heater hoses and tubes onto intake manifold.
- Install the heater hoses to the heater core and engine front cover.
- Connect electrical connectors for the following components: Manifold Absolute Pressure (MAP) Sensor Intake Air Temperature (IAT) Sensor Throttle Position (TPS) Sensor Coolant Temperature (CTS) Sensor Idle Air Control (IAC) Motor Ignition coil towers Fuel injectors
- Install top oil dipstick tube retaining bolt and ground strap.
- Connect generator electrical connections.
- Connect Brake booster hose and Positive crankcase ventilation (PCV) hose.
- Fill cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000).
- Install the wiper module «(Refer to ELECTRICAL/WIPERS/WASHERS/WIPER MODULE - INSTALLATION)»(ref-247629-S42311934262007020100000).
- Install resonator assembly and air inlet hose.
- Connect negative cable to battery.
| 1 - TIMING CHAIN COVER |
| 2 - CRANKSHAFT TIMING MARKS |
| 1 - LEFT CYLINDER HEAD |
| 2 - RIGHT CYLINDER HEAD |
Scheme 256
Scheme 257
- Disconnect negative cable from battery.
- Drain cooling system «(Refer to COOLING - STANDARD PROCEDURE)»(ref-247624-S05505992522007020100000) .
- Remove right and left cylinder head covers «(Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)»(ref-247617-S29450297422007020100000) .
- Remove radiator fan shroud.
- Rotate engine until timing mark (2) on crankshaft damper aligns with TDC mark on timing chain cover (2) (#1 cylinder exhaust stroke) and the camshaft sprocket "V8" marks are at the 12 o'clock position (1,2). 1 - RIGHT CYLINDER HEAD ACCESS PLUG 2 - LEFT CYLINDER HEAD ACCESS PLUG
- Remove power steering pump «(Refer to STEERING/PUMP - REMOVAL)»(ref-247608-S33728394522007020100000) .
- Remove access plugs (1,2) from left and right cylinder heads for access to chain guide fasteners.
- Remove the oil fill housing to gain access to the right side tensioner arm fastener.
- Remove crankshaft damper «(Refer to ENGINE/ENGINE BLOCK/VIBRATION DAMPER - REMOVAL)»(ref-247617-S40758092042007020100000) and timing chain cover «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN COVER(S) - REMOVAL)»(ref-247617-S42294480202007020100000) . 1 - PRIMARY CHAIN TENSIONER 2 - ADJUSTABLE PLIERS 3 - SPECIAL TOOL 8514
- Collapse and pin primary chain tensioner (1). CAUTION: Plate behind left secondary chain tensioner could fall into oil pan. Therefore, cover pan opening.
- Remove secondary chain tensioners. 1 - CRANKSHAFT POSITION SENSOR 2 - CYLINDER HEAD COVER 3 - CAMSHAFT POSITION SENSOR 4 - RIGHT SIDE CYLINDER BLOCK
- Remove camshaft position sensor (1) from right cylinder head. 1 - CAMSHAFT SPROCKET AND CHAIN 2 - ADJUSTABLE PLIERS 3 - CAMSHAFT 1 - ADJUSTABLE PLIERS 2 - CAMSHAFT DOWEL CAUTION: Care should be taken not to damage camshaft target wheel. Do not hold target wheel while loosening or tightening camshaft sprocket. Do not place the target wheel near a magnetic source of any kind. A damaged or magnetized target wheel could cause a vehicle no start condition. CAUTION: Do not forcefully rotate the camshafts or crankshaft independently of each other. Damaging intake valve to piston contact will occur. Ensure negative battery cable is disconnected to guard against accidental starter engagement.
- Remove left and right camshaft sprocket bolts.
- While holding the left camshaft steel tube with adjustable pliers (1), remove the left camshaft sprocket. Slowly rotate the camshaft approximately 15 degrees clockwise to a neutral position.
- While holding the right camshaft steel tube with adjustable pliers (1), remove the right camshaft sprocket. Slowly rotate the camshaft approximately 45 degrees counterclockwise to a neutral position.
- Remove idler sprocket assembly bolt.
- Slide the idler sprocket assembly and crank sprocket forward simultaneously to remove the primary and secondary chains.
- Remove both pivoting tensioner arms and chain guides.
- Remove chain tensioner.
- Remove the primary and secondary timing chains and sprockets «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - REMOVAL)»(ref-247617-S40471753452007020100000) . NOTE: To remove the idler shaft, it is necessary to tap threads into the shaft, to install the removal tool.
- Using a 12 mm X 1.75 tap, cut threads in the idler shaft center bore.
- Cover the radiator core with a suitable cover. CAUTION: Use care when removing the idler shaft, Do not strike the radiator cooling fins with the slide hammer.
- Using Special Tool 8517 Slide Hammer, remove the idler shaft.
- Thoroughly clean the idler shaft bore.
- Position the idler shaft in the bore. NOTE: The two lubrication holes in the idler shaft do not require any special alignment. NOTE: Before using the retaining bolt to install the idler shaft, coat the threads and the pilot on the idler shaft, with clean engine oil.
- Using the primary idler sprocket retaining bolt and washer, carefully draw the idler shaft into the bore until fully seated.
- Coat the idler shaft with clean engine oil.
- Install the timing chains and sprockets «(Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - INSTALLATION)»(ref-247617-S16752523702007020100000) .