Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
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. Refer to Park/Neutral Position Switch Replacement.
5. Fill the transmission to the proper level with DEXRON(r) III transmission fluid. Refer to Transmission Fluid Check.
Transmission Extension Housing Rear Oil Seal Replacement
Transmission Extension Housing Rear Oil Seal Replacement
Tools Required
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J 41505 Output Shaft Seal Installer
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J 6125-1B Slide Hammer
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J 23129 Universal Seal Remover
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J 36850 Transmission Assembly Lubricant
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Place a drain pan under the vehicle.
3. Remove the propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement.
4. Using the J 6125-1B (1) and the J 23129 (2), remove the output shaft seal (3) from the extension housing (4).
5. Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Transmission Extension Housing Assembly
Replacement.
Installation Procedure
