gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Sensors and Switches - M/T > < Transmission Input Shaft Seal Replacement
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Seals and Gaskets: Service and Repair
Transmission Housing Oil Seal Replacement

Transmission Housing Oil Seal Replacement - Rear (4WD) 

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Tools Required
-

J 6125-1B Slide Hammer

-

J 23129 Universal Seal Remover

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J 45867 4WD Output Shaft Seal Installer

Removal Procedure

1. Remove the transfer case assembly. 
2. Using the J 61251B (1) and J 23129 (2) remove the rear transmission housing oil seal from the housing.

Installation Procedure

1. Using the J 45867 and a hammer, install the NEW rear transmission housing oil seal.
2. Check the transmission fluid level. Add if necessary. 
3. Install the transfer case assembly.

Sensors and Switches - M/T > < Transmission Input Shaft Seal Replacement