Installation Procedure
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Apply a small amount of synthetic gear oil GM P/N 12378514 (Canadian P/N 88901045) or equivalent to the drive pinion flange sealing surface of the drive pinion seal.
- Using the J 42851 (1), install the pinion seal (2) to the differential housing (3). See Special Tools .
- Install the J 45012 on the drive pinion shaft.
- Install the pinion flange on the drive pinion shaft.
- Thoroughly clean the residue from the pinion shaft threads and the pinion flange nut by using denatured alcohol or equivalent and allow to dry.
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489), or equivalent to 2/3 of the threaded length of the pinion shaft threads. Ensure that there are no gaps in the threadlocker along the length of the filled area of the pinion shaft threads.
- Allow the threadlocker to cure approximately 10 minutes before installation.
- Use the J 45012 to hold the pinion flange.
- Using the J 34826
, tighten the drive pinion nut. See Special Tools .
Tighten: Tighten the pinion flange nut to 285 N.m (210 lb ft).
- Install the propeller shaft. Refer to Rear Propeller Shaft Replacement (RWD) or Rear Propeller Shaft Replacement (AWD) .
- Inspect the fluid level. Refer to Rear Axle Lubricant Level Inspection .
- Install the exhaust system. Refer to Exhaust System Replacement (With LY7 and LLT) or Exhaust System Replacement (With LP1) .
- Lower the vehicle.
IMPORTANT:
Ensure the pinion bore is free of dirt debris.
IMPORTANT:
The pinion shaft threads and the pinion flange nut must be free of residue and debris prior to the application of the threadlocker.
NOTE:
Refer to Fastener Notice
.