Case Extension Assemble (FWD Only)

2008 Pontiac Grand Prix V6-3.8LSECTION Case Extension Assemble (FWD Only)


Case Extension Assemble (FWD Only)





1. Inspect the case extension assembly (6) for the following conditions:

* A damaged or porous sealing surface for the case extension seal
* A damaged or porous sealing surface for the vehicle speed sensor
* A damaged or porous sealing surface for the right drive shaft oil seal assembly
* Damaged bolt holes
* A worn or damaged front differential carrier bushing (7A) or output shaft bearing assembly (7B)
* A porous or damaged case extension housing





2. Install the differential carrier/case selective thrust washer (714) onto the differential/final drive carrier assembly (700).
3. Install the thrust bearing (715) onto the differential/final drive carrier assembly (700).
4. Affix the seal (8) onto the case extension (6).
5. Install the case extension assembly (6) onto the case (3).

Notice: Refer to Fastener Notice .

6. Install only two case extension bolts (5) for later removal.

Tighten the bolts until the extension is flush to the case.

7. Perform end play check, refer to Differential Carrier End Play Check (FWD Only) (Overhaul) .


RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.