G 1500 1/2 Ton Van V6-4.3L VIN W (1997)
Crankshaft: Service and Repair
REMOVAL
1. Remove the crankshaft bearings from the engine block.
2. Remove the crankshaft bearings from the crankshaft bearings caps.
INSTALLATION
1. Install the crankshaft bearing into the engine block and the crankshaft bearing caps.
2. Coat the crankshaft bearings with clean engine oil.
3. Install the crankshaft.
4. Install the crankshaft bearing caps with crankshaft bearings.
5. Be sure that the cap directional arrows point toward the front of the engine block and the cap is in its original position.
6. Install the crankshaft bearing cap bolts and studs.
7. Thrust the crankshaft reward in order to set and align the thrust bearings and the bearing caps.
8. Thrust the crankshaft forward in order to align the rear faces of the rear crankshaft bearings.
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Tighten all of the bolts to 105 Nm (77 ft. lbs.).
9. Use a dial indicator or feeler gauge in order to measure end play between the front of the rear of the crankshaft bearing cap and the crankshaft
thrust surface in order to determine the crankshaft end play.
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If you use a feeler gauge, measure between the thrust surface of the crankshaft bearing and the crankshaft.
