GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 934594  Size: SH
  3. Remove the drain plug (1).

  4. Object Number: 978092  Size: SH
  5. Remove the fill plug (1).

Installation Procedure


    Object Number: 934594  Size: SH
  1. Clean the drain plug and apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads.
  2. Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  3. Install the drain plug (1).
  4. Tighten
    Tighten the drain plug to 24 N·m (18 lb ft).

  5. Fill the transfer case with synthetic gear lubricant GM P/N 12378514 (Canadian P/N 88901045) to the bottom of the fill plug, or 540 ml (18.2 oz).

  6. Object Number: 978092  Size: SH
  7. Clean the fill plug and apply adhesive GM P/N 12345493 (Canadian P/N 10953488) to the threads.
  8. Install the fill plug (1).
  9. Tighten
    Tighten the fill plug to 15 N·m (11 lb ft).

  10. Lower the vehicle.