Removal
- Remove the crankshaft pulley. For additional information, refer to «CRANKSHAFT PULLEY»(ref-233691-S27699543092006052600000) .
- Remove the crankshaft oil seal.
Scheme 24
Installation
- Using crankshaft vibration damper replacer, install the crankshaft oil seal.
- Install the crankshaft pulley. For additional information, refer to «CRANKSHAFT PULLEY»(ref-233691-S27699543092006052600000) .
Removal and Installation
- Remove the rocker arms. For additional information, refer to «ROCKER ARM»(ref-233691-S02596924522006052600000) .
- Remove the push rods.
- To install, reverse the removal procedure.
Note. For a valve train noise concern, inspect the valve-to-rocker arm clearance, rocker arms and push rods for wear. For additional information, refer to ENGINE SYSTEM-GENERAL INFORMATION .
Scheme 25
Scheme 26
- Remove the lower intake manifold. For additional information, refer to «LOWER INTAKE MANIFOLD»(ref-233691-S27868408372006052600000) .
- Remove the pushrods. For additional information, refer to «PUSH ROD»(ref-233691-S31874744652006052600000) .
- Remove the tappet guide plate retainer.
- Remove the valve tappet guide plates.
- Remove the valve tappets.
Scheme 27
Scheme 28
- Install the valve tappets.
- Install the valve tappet guide plates.
- Install the tappet guide plate retainer.
- Install the pushrods. For additional information, refer to «PUSH ROD»(ref-233691-S27617878052006052600000) .
- Install the lower intake manifold. For additional information, refer to «LOWER INTAKE MANIFOLD»(ref-233691-S27868408372006052600000) .
Scheme 29
Scheme 30
- Remove the engine front cover. For additional information, refer to «ENGINE FRONT COVER»(ref-233691-S12465665222006052600000) .
- Rotate the crankshaft and align the timing marks.
- Remove the camshaft sprocket bolt.
- Remove the timing chain, the camshaft sprocket and the crankshaft sprocket as an assembly.
Scheme 31
Scheme 32
Scheme 33
- Align the timing marks.
- Install the timing chain, the camshaft sprocket and the crankshaft sprocket as an assembly.
- Install the camshaft sprocket bolt.
- Install the engine front cover. For additional information, refer to «ENGINE FRONT COVER»(ref-233691-S12465665222006052600000) .
Scheme 34
Scheme 35
Scheme 36
Scheme 37
Scheme 38
- Disconnect the battery ground cable (14301). For additional information, refer to «BATTERY, MOUNTING AND CABLES»(ref-233724) .
- Remove the cowl vent screen and cowl extension. For additional information, refer to «FRONT END BODY PANELS»(ref-233729) .
- Disconnect the oxygen sensor (HO2S) (9F472) electrical connector.
- Remove the exhaust manifold to exhaust gas recirculation (EGR) valve tube. For additional information, refer to «ENGINE EMISSION CONTROL»(ref-233733) .
- Remove the exhaust manifold heat shield. Remove the bolts. Remove the heat shield.
- Disconnect the catalytic converter from the exhaust manifold. Remove the bolts.
- Remove the six bolts and the exhaust manifold. Remove the six bolts.
- Remove the RH exhaust manifold (9430) and the exhaust manifold gasket (9448). Discard the exhaust manifold gasket.
Scheme 39
Scheme 40
Scheme 41
- Position a new exhaust manifold gasket and install the exhaust manifold.
- Install the bolts. Tighten in the sequence shown, in two stages: Stage 1: Tighten to 10 Nm (89 lb-in). Stage 2: Tighten to 22 Nm (16 lb-ft).
- Connect the catalytic converter. Install the bolts.
- Install the exhaust manifold heat shield. Install the bolts.
- Install the exhaust manifold to exhaust gas recirculation (EGR) valve tube. For additional information, refer to «ENGINE EMISSION CONTROL»(ref-233733) .
- Connect the HO2S electrical connector.
- Install the cowl vent screen and cowl extension. For additional information, refer to «FRONT END BODY PANELS»(ref-233729) .
- Connect the battery ground cable.
- Remove the oil level indicator and tube (6754). Remove the nut. Remove the tube.
Scheme 42
Scheme 43
Scheme 44
- Coat the sealing surface of the oil level indicator tube with silicone gasket and sealant.
- Install the oil level indicator tube. Install the tube. Install the nut.
- Remove the flexplate. For additional information, refer to «FLEXPLATE»(ref-233691-S12851588332006052600000) .
- Using a sharp awl, punch one hole into the crankshaft rear seal metal surface between the seal lip and the cylinder block.
- Screw the threaded end of the special tool into the rear seal. Use the special tool to remove the crankshaft rear seal.
Scheme 45
Scheme 46
- Lubricate the outer lips and the inner seal on the crankshaft rear seal with clean engine oil.
- Using the special tool, install the crankshaft rear seal. Alternate bolt tightening to correctly seat the crankshaft rear seal.
- Install the flexplate. For additional information, refer to «FLEXPLATE»(ref-233691-S12851588332006052600000) .
- Remove the oil pan. For additional information, refer to «OIL PAN»(ref-233691-S12031829252006052600000) .
- If necessary, remove the oil pump. For additional information, refer to «OIL PUMP»(ref-233691-S12283626852006052600000) .
- Remove one crankshaft main bearing cap.
- Remove the crankshaft main bearing.
Scheme 47
Scheme 48
- Install the crankshaft main bearing.
- Install the crankshaft main bearing cap.
- Repeat the procedure until all the crankshaft main bearings are inspected and replaced or new bearings are installed.
- If removed, install the oil pump. For additional information, refer to «OIL PUMP»(ref-233691-S12283626852006052600000) .
- Install the oil pan. For additional information, refer to «OIL PAN»(ref-233691-S12031829252006052600000) .
- Remove the oil pan. For additional information, refer to «OIL PAN»(ref-233691-S12031829252006052600000) .
- If necessary, remove the oil pump. For additional information, refer to «OIL PUMP»(ref-233691-S12283626852006052600000) .
- Remove the connecting rod bearing cap.
- Remove the connecting rod bearings.
Scheme 49
Scheme 50
- Install the connecting rod bearings.
- Install the connecting rod bearing cap.
- Repeat the procedure until all the connecting rod bearings are replaced.
- If removed, install the oil pump. For additional information, refer to «OIL PUMP»(ref-233691-S12283626852006052600000) .
- Install the oil pan. For additional information, refer to «OIL PAN»(ref-233691-S12031829252006052600000) .