gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Crankshaft Main Bearing Seal|Service and Repair|Page 1975 > < Engine Block Valley Cover Replacement|Page 1970
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Crankshaft Main Bearing Seal: Service and Repair

Crankshaft Rear Oil Seal Replacement

Special Tools

J 41479  Crankshaft Rear Oil Seal Installer

Removal Procedure

1. Remove the automatic transmission flex plate. Refer to Automatic Transmission Flex Plate Replacement   (See: Transmission and Drivetrain/Flex

Plate/Service and Repair).

2. Remove the crankshaft rear oil seal (141) from the rear housing.

Installation Procedure

Important:  

*

The flywheel spacer (if applicable) must be removed prior to oil seal installation.

*

Do not lubricate the oil seal inside diameter (ID) or the crankshaft surface.

*

Do not reuse the crankshaft rear oil seal. Install a NEW oil seal.

Crankshaft Main Bearing Seal|Service and Repair|Page 1975 > < Engine Block Valley Cover Replacement|Page 1970