Crankshaft - Removal
REMOVAL
Special Tools:
NOTE: To remove the crankshaft from the engine, the engine must be removed from the vehicle.
1. Remove the engine Engine - Removal
2. Remove the cylinder head covers, spark plugs, upper oil pan, engine timing cover, timing chain and sprockets Timing Chain & Sprockets - Removal
3. Remove the flexplate and the rear crankshaft oil seal Rear Crankshaft Oil Seal - Removal
4. Remove the oil pump pick-up and engine oil pump Engine Oil Pump - Removal
5. Remove the eight main bearing cap bolts from the windage tray in the sequence shown and remove the windage tray (1).
CAUTION: DO NOT use a number stamp or a punch to mark connecting rods or caps, as damage to connecting rods could occur
NOTE: Connecting rods and bearing caps are not interchangeable and should be marked before removing to ensure correct reassembly.
6. Mark connecting rod and bearing cap positions (1) using a permanent ink marker or scribe tool.
NOTE: Typical V6 engine configuration shown.
CAUTION: Care must be taken not to damage the fractured rod and cap joint face surfaces, as engine damage may occur.
7. Remove the connecting rod cap bolts (5) and the connecting rod caps (4). Discard the cap bolts.
CAUTION: Care must be taken not to nick crankshaft journals, as engine damage may occur.
8. Remove the plastic guide plates (3) from the Guide Pins (7) and install the Guide Pins to the connecting rod.
CAUTION: Avoid contact with the piston oil cooler jet(s). Positioning of the oil cooler jet(s) is critical for proper engine operation.
9. Push the connecting rod and piston into the cylinder until the connecting rod is clear of the crankshaft journal. Remove the guide pins. Repeat this procedure at each cylinder until all of the connecting rods are clear of the crankshaft.
NOTE: Typical V6 engine configuration shown.
Remove the main bearing cross bolts in the sequence shown.
CAUTION: DO NOT use a number stamp or a punch to mark main bearing caps, as damage to main bearings could occur.
NOTE: Main bearing caps are not interchangeable and are marked to insure correct assembly.
10. Mark the main bearing cap positions using a permanent ink marker or a scribe tool.
11. Remove the eight main bearing cap bolts in the sequence shown and remove the main bearing caps.
CAUTION: Do not rest the crankshaft on the target wheel (1). Damaged or bent target wheel teeth will destroy the target wheels ability to correctly relay crankshaft position to the crankshaft position sensor.
12. Remove the crankshaft from the engine block.
13. If required, remove the four bolts (2) and the target wheel (1). Discard the four bolts.