GM Service Manual Online
For 1990-2009 cars only

Transfer Case Output Shaft Seal Replacement New Venture

Tools Required

J 29162

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the front or the rear propeller shaft. Refer to Front Propeller Shaft Replacement , to One-Piece Propeller Shaft Replacement , to Two-Piece Propeller Shaft Replacement , or to Three-Piece Propeller Shaft Replacement in Propeller Shaft.

  3. Object Number: 175414  Size: SH
  4. Remove the propeller shaft yoke nut and the flat washers.
  5. The yoke nut and the flat washers are not used at the rear on some models.
  6. Remove the propeller shaft yoke.
  7. Remove the transfer case shield. Refer to Shield Replacement .
  8. Remove the seal.
  9. • Use a screwdriver in order to remove the seal.
    • Do not damage the sealing bore.

Installation Procedure


    Object Number: 175414  Size: SH
  1. Install the seal.
  2. 1.1. Lubricate the seal lips with petroleum jelly or with transmission oil.
    1.2. Install the seal using the J  33843
    1.3. For all of the vehicles except the K30 with dual rear wheels, install the New Venture Gear transfer case.
  3. Install the transfer case shield. Refer to Shield Replacement .
  4. Install the propeller shaft yoke.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the flat washers and the nut, if used.
  7. Tighten
    Tighten the New Venture Gear propeller shaft yoke nuts to 149 N·m (110 lb ft).

  8. Install the propeller shaft. Refer to Front Propeller Shaft Replacement , to One-Piece Propeller Shaft Replacement , to Two-Piece Propeller Shaft Replacement , or to Three-Piece Propeller Shaft Replacement in Propeller Shaft.
  9. • Inspect the transfer case oil level and add oil as necessary. Refer toCapacities - Approximate Fluid .
    • Lower the vehicle.