Case Extension Assembly Removal

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 23129 Universal Seal Remover. See Special Tools .
J 6125-1B Slide Hammer. See Special Tools .

Fig 1: Using J 23129 & J 6125-1B To Remove Prop Shaft Front Slip Yoke Seal Assembly

Courtesy of GENERAL MOTORS CORP.

Using the J 23129 and the J 6125-1B , remove the prop shaft front slip yoke seal assembly (20) (model dependent). See Special Tools .

Fig 2: Exploded View Of Case Extension Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the case extension bolts (21).
Remove the case extension assembly (19).
Remove the case extension seal (15).
Remove the following components and inspect for damage and wear:
- The output shaft seal (675) (for some models)
- The transmission output shaft yoke seal sleeve (682) and output shaft seal (683) (for some models)
- The bearing retainer ring (16), case extension ball bearing assembly (17), and bearing spacer (18) (for some models)