Installation Procedure
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Important:
- Do not reuse the crankshaft oil seal or front cover gasket.
- Do not apply any type of sealant to the front cover gasket, unless specified.
- The special tool in this procedure is used to properly center the front crankshaft front oil seal.
- All gasket surfaces should be free of oil or other foreign material during assembly.
- The crankshaft front oil seal MUST be centered in relation to the crankshaft.
- An improperly aligned front cover may cause premature front oil seal wear and/or engine oil leaks.
- Apply a 5 mm (0.20 in) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.80 in) long to the oil pan to engine block junction.
- Install the front cover gasket and cover.
- Install the front cover bolts until snug. Do not overtighten.
- Install the oil pan-to-front cover bolts (1) until snug. Do not over tighten.
- Install J 41476 to the front cover.
- Align the tapered legs of the J 41476
with the machined alignment surfaces on the front cover.NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
- Install the crankshaft balancer bolt until snug. Do not overtighten.
Tighten
- 7.1. Tighten the oil pan to front cover bolts to 25 N.m (18 lb ft).
- 7.2. Tighten the engine front cover bolts to 25 N.m (18 lb ft).
- Remove the J 41476 .
- Install a NEW crankshaft front oil seal. Refer to CRANKSHAFT FRONT OIL SEAL REPLACEMENT .
- Install the water pump. Refer to WATER PUMP REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) in Engine Cooling.