i-350 L5-3.5L (2006)
7. Important: Do not damage the seal bore.
Using a hammer and a punch, remove the crankshaft rear oil seal from the crankshaft rear oil seal housing.Discard the seal.
8. Clean and inspect the crankshaft rear oil seal housing.
9. Clean and inspect the engine block and oil pan sealing surface.
Installation Procedure
1. Important: The crankshaft rear oil seal housing must be installed within 10 minutes from when the sealer was applied.
Apply a 3 mm (0.12 inch) bead of sealer GM P/N 12378521 (Canadian P/N 88901148) (1) to the following:
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The crankshaft rear oil seal housing, were the housing meets the engine block
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The surface of the crankshaft rear oil seal housing, were the housing meets the oil pan
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The surface of the oil pan, were the oil pan meets the housing
