Yukon/Denali 2WD V8-4.8L VIN V (2005)
1. Carefully slide a new selector shaft seal (1) over the selector shaft (2) with the wide face of the steel case facing outward. Position the seal so that
it is starting to enter the seal bore.
2. Using J 43909 , remove the inner sleeve so that the tool will slide over the selector shaft.
3. Slide the J 43909 into position so that the end of the tool contacts the seal being installed. Use a mallet to strike the J 43909 and drive the new seal
into the seal bore until it is seated at the bottom of the bore.
4. Install the PNP switch.
5. Fill the transmission to the proper level with DEXRON III transmission fluid.
Transmission Extension Housing Rear Oil Seal Replacement
Transmission Extension Housing Rear Oil Seal Replacement
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Tools Required
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J 41505 Output Shaft Seal Installer
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J 6125-1BSlide Hammer
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J 23129 Universal Seal Remover
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J 36850 Transjel®
Removal Procedure
1. Place a drain pan under the vehicle.
2. Remove the propeller shaft.
3. Using J 6125-1B (1) and J 23129 (2), remove the output shaft seal (3) from the extension housing (4).
4. Inspect the case extension housing for damage. Replace the extension housing if necessary.
Installation Procedure
