Part 4

Engine

124 Remove the secondary timing chain tensioner retaining bolts.





125 Remove the camshaft sprockets.
- Remove the secondary timing chain tensioner and secondary timing chain from the camshaft sprockets.





126 Remove the primary timing chain tensioner assembly.





127 Remove the primary timing chain tensioner guide.





128 Remove the primary timing chain.





129 Remove the crankshaft sprocket.





130 Remove the primary timing chain tensioner guide.





131 Remove the secondary timing chain tensioner retaining bolts.





132 Remove the camshaft sprockets.
- Remove the secondary timing chain tensioner and secondary timing chain from the camshaft sprockets.





133 Remove the camshaft setting tool.





134 Remove the camshaft setting tool.





135 Remove the camshaft bearing caps.
- Remove the camshaft bearing cap retaining bolts evenly and in stages.
- Remove the camshaft bearing caps. Note their orientation and markings, each is marked with its position (a number) and orientation (an arrow).





136 Remove the right-hand exhaust camshaft.





137 Remove the camshaft bearing caps.
- Remove the camshaft bearing cap retaining bolts evenly and in stages.
- Remove the camshaft bearing caps. Note their orientation and markings, each is marked with its position (a number) and orientation (an arrow).





138 Remove the right-hand intake camshaft.





139 Remove the camshaft bearing caps.
- Remove the camshaft bearing cap retaining bolts evenly and in stages.
- Remove the camshaft bearing caps. Note their orientation and markings, each is marked with its position (a number) and orientation (an arrow).





140 Remove the left-hand exhaust camshaft.





141 Remove the camshaft bearing caps.
- Remove the camshaft bearing cap retaining bolts evenly and in stages.
- Remove the camshaft bearing caps. Note their orientation and markings, each is marked with its position (a number) and orientation (an arrow).





142 Remove the left-hand inlet camshaft.





143 Remove the right-hand cylinder head.
- Remove the bolts in the indicated sequence.
- Remove and discard the gasket.





144 Remove the left-hand cylinder head.
- Remove the bolts in the indicated sequence.
- Remove and discard the gasket.





145 Remove the crankshaft setting peg 303-645 from the crankshaft position sensor location.





146 Remove the flexplate.
1) Remove the flexplate retaining bolts.
2) Remove the flexplate.





147 Remove the lower oil pan.
- Remove and discard the gasket.





148 Remove the oil strainer.
- Remove and discard the O-ring seal.





149 Remove the upper oil pan.
- Remove and discard the gasket.





150 Remove the oil pump.
- Remove and discard the gasket.

151 Inspect the tops of the cylinder bores. As necessary remove ridge and carbon build up from each cylinder.

Vehicles with supercharger

152 Remove the piston cooling jets.

All vehicles





153
CAUTION: Pistons, connecting rods and connecting rod bearings should be numbered to make sure they are reassembled in the same position.
NOTE:
Mark the position of the connecting rod caps to the connecting rods to make sure of correct installation.
NOTE:
Discard the connecting rod bolts after removal.
Remove the connecting rod bolts, the connecting rod caps and the lower connecting rod bearings.





154
CAUTION: Use appropriate protection to prevent damage to the crankshaft bearing journals and cylinder bore surfaces.
Install special tools to the connecting rods.





155
CAUTION: Care should be taken not to damage the connecting rod and cap joint face surfaces or possible engine damage may occur. Avoid contaminating the fractured joint surfaces with dirt or grease.
NOTE:
Attach the connecting rods and caps after removal to avoid mismatch.
Remove the pistons.
- Rotate the crankshaft to locate pistons at the bottom of travel.
- Push the piston, connecting rod and upper bearing through the top of the cylinder.





156
NOTE:
Remove the lower cylinder block bolts in the indicated sequence.
NOTE:
Mark the position of the upper and lower crankshaft main bearings for reassembly.
Remove the lower cylinder block.
- Remove the lower cylinder block retaining bolts in the indicated sequence.





157 Discard the crankshaft rear main oil seal.





158
CAUTION: Avoid damage to any crankshaft bearing surfaces.
NOTE:
Never remove any pipe, plugs or dowels unless they are to be newly installed or the cylinder block is to be washed.
Remove the crankshaft.





159 Remove the upper crankshaft main bearings.
1) Remove the upper crankshaft thrust washers.
2) Remove the upper crankshaft main bearings.

160 Clean the cylinder block with a soap and water solution. Dry the cylinder block completely with compressed air.