Avalanche 4WD V8-5.3L (2011)
Crankshaft Seal Retainer: Service and Repair
Crankshaft Rear Oil Seal Housing Replacement
Special Tools
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J-41476 - Front and Rear Cover Alignment Tool
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J-41479-2A - Crankshaft Rear Oil Seal Installation Guide
Removal Procedure
1. Remove the automatic transmission flexplate. Refer to Automatic Transmission Flex Plate Replacement See: Transmission and Drivetrain/Flex
Plate/Service and Repair.
2. Remove the oil pan-to-rear oil seal housing bolts (1).
3. Remove the rear oil seal housing bolts (1).
4. Remove the rear oil seal housing (2) and gasket (3). Discard the gasket.
5. Remove and discard the rear oil seal (4).
Installation Procedure
Note:
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Do not reuse the crankshaft oil seal or rear cover gasket.
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Do not apply any type of sealant to the rear cover gasket, unless specified.
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The special tool in this procedure is used to properly center the crankshaft rear 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 rear oil seal MUST be centered in relation to the crankshaft.
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An improperly aligned rear cover may cause premature rear oil seal wear and/or engine assembly oil leaks.
