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).

Caution: Refer to Fastener Caution in the Preface section.

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.