Express 2500 V8-4.8L (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. Obtain J 43909 and 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.
Transmission Extension Housing Rear Oil Seal Replacement
Transmission Extension Housing Rear Oil Seal Replacement
Tools Required
*
J 38869 Rear Extension Seal Installer
*
J 6125-1B Slide Hammer Adapter
*
J 23129 Universal Seal Remover
*
J 36850 Transjel(R)
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Place a drain pan under the vehicle.
3. Remove the propeller shaft.
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.
Installation Procedure
1. Lubricate the inside diameter of the new seal with J 36850 .
2. Use the J 38869 (1) with a soft faced mallet to install the seal (2).
3. Install the seal (2) to the extension housing (3).
4. Install the propeller shaft.
5. Remove the drain pan and lower the vehicle.
6. Fill the transmission to the proper level with approved fluid.
