GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Silverado - 4WD 🢒 General Information 🢒 General Information 🢒 Transmission Fluid Replacement

Removal Procedure
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Place a suitable drain pan under the transmission in order to catch the drained transmission fluid.

    3. Object Number: 1989920 Size: SH
  3. Remove the oil fill plug (1).
  4. Remove the oil drain plug (2).
  5. Remove any old sealant from the transmission housing.

Installation Procedure

    Object Number: 1989920 Size: SH
  1. Apply a thin bead of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the oil drain plug threads.

    2. Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  2. Install the oil drain plug (2).

    3. Tighten
    Tighten the plug to 37 N·m (27 lb ft).


    Object Number: 2327 Size: SH
  3. Fill the transmission with the proper fluid to just below the bottom of the fill plug hole.

    4. Object Number: 1989920 Size: SH
  4. Apply a thin bead of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the oil fill plug threads.
  5. Install the oil fill plug (1).

    6. Tighten
    Tighten the plug to 37 N·m (27 lb ft).

  6. Lower the vehicle.