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NV 4500

Transmission Housing Oil Seal Replacement - Front

Removal Procedure

^ Tools Required
- J 38801 Input Shaft Seal Installer





1. Remove the transmission.
2. Remove the clutch actuator cylinder bolts.
3. Remove the clutch actuator cylinder.





4. Remove the input shaft bearing retainer bolts.Remove the input shaft bearing retainer. Screw 2 of the removed bolts into the threaded holes in the retainer in order to remove the retainer.




5. Using a hammer and a punch, remove the transmission housing front oil seal from the input shaft bearing retainer.
6. Remove the old gasket material from the input shaft bearing retainer.

Installation Procedure

Important: Inspect the input shaft bearing retainer for any nicks or cracks that may result in a leak. Replace as necessary.





1. Position a NEW oil seal in the input shaft bearing retainer.
2. Using J 38801, install the oil seal.





3. Apply a thin bead of RTV sealer GM P/N 12345739 (Canadian P/N 10953472), or equivalent to the input shaft bearing retainer mating surface.





4. Position the input shaft bearing retainer.
5. Align the bearing retainer oil drain hole at the top dead center position.
6. Apply threadlock GM P/N 12345493 (Canadian P/N 10953488), or equivalent to the input shaft bearing retainer bolts.
Notice:
Refer to Fastener Notice in Service Precautions.

7. Install the input shaft bearing retainer bolts.
^ Tighten the bolts to 22 Nm (16 inch lbs.).





8. Install the clutch actuator cylinder and bolts.
^ Tighten the bolts to 8 Nm (71 inch lbs.)

9. Install the transmission.
10. Lower the vehicle.