Sierra 1500 2WD V8-5.3L Hybrid (2004)
Timing Cover: Service and Repair
Engine Front Cover Replacement
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Tools Required
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J 41476 Front and Rear Cover Alignment Tool
Removal Procedure
1. Remove the water pump.
2. Remove the crankshaft balancer.
3. Remove the oil pan-to-front cover bolts.
4. Remove the front cover bolts.
5. Remove the front cover and gasket.
6. Discard the front cover gasket.
7. If required, clean and inspect the engine front cover.
Installation Procedure
Important:
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Do not reuse the crankshaft oil seal or front cover gasket.
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Do not apply any type of sealant to the front cover gasket (unless specified).
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The special tool in this procedure is used to properly center the front crankshaft front oil seal.
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All gasket surfaces should be free of oil or other foreign material during assembly.
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The crankshaft front oil seal MUST be centered in relation to the crankshaft.
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An improperly aligned front cover may cause premature front oil seal wear and/or engine oil leaks.
