Removal

REMOVAL
1. Remove the engine. Refer to Engine Replacement. Service and Repair
2. Remove the rear crankshaft oil seal. Service and Repair
3. Remove the engine oil pan. Refer to oil pan. Service and Repair
4. Mark the connecting rod caps in order to correctly reassemble the connecting rods.





5. Turn the crankshaft to bottom dead center.
6. Remove the connecting rod nuts and caps.





7. Remove the connecting rod bearings.
8. Install a 3/8 inch piece of fuel or vacuum hose over the connecting rod bolts in order to avoid damage to the crankshaft journals.
9. Remove the main bearing caps and remove the main bearings. Mark the main bearing caps in order to insure that they are installed in the same place from which they were removed.





10. Remove the crankshaft.
11. Clean the crankshaft.
^ Clean any obstructions from the oil passages on the crankshaft.
12. Inspect the keyway and the threads in the front of the crankshaft and the threads in the flywheel bolt holes.
13. Inspect the bearing journals and inspect the thrust surfaces for the following items:
^ Wear
^ Cracks
^ Chips (Replace the crankshaft if chipped)
^ Gouges (Replace the crankshaft if gouged)
^ Roughness
^ Grooves
^ Discoloration due to overheating (Replace the crankshaft if discolored)
14. Use a micrometer in order to measure the crankshaft taper. If the crankshaft taper is not within specifications, replace the crankshaft. Service and Repair
^ Taper
- 0.005 mm (0.00019 inch)
15. Measure the crankshaft runout. If the crankshaft runout is not within specifications, replace the crankshaft.
^ Runout
- 0.005 mm (0.00019 inch)