Silverado 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
1. Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.80 inch) long to the oil pan to engine block junction.
2. Install the front cover gasket and cover.
3. Install the front cover bolts until snug. Do not overtighten.
4. Install the oil pan-to-front cover bolts (1) until snug. Do not over tighten.
5. Install J41476 to the front cover.
6. Align the tapered legs of the J41476 with the machined alignment surfaces on the front cover.
Notice: Refer to Fastener Notice in Service Precautions.
7. Install the crankshaft balancer bolt until snug. Do not overtighten.
1. Tighten the oil pan to front cover bolts to 25 Nm (18 ft. lbs.).
2. Tighten the engine front cover bolts to 25 Nm (18 ft. lbs.).
8. Remove the J41476.
9. Install a NEW crankshaft front oil seal.
10. Install the water pump.
