GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Transmission/Transaxle 🢒 Manual Transmission - Aisin AY6 🢒 Transmission Fluid Replacement

Draining Procedure

    Object Number: 1979741 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Clean away any dirt and debris from around the transmission fluid drain plug area.
  3. Position an appropriate container below the transmission drain plug.
  4. Remove the transmission fluid drain plug (4) and washer (3). Discard the washer.
  5. Allow the transmission fluid to drain into the container.

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

  6. Install the transmission fluid drain plug (4) and a NEW washer (3).

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

  7. Remove the container used to catch the used transmission fluid from under the vehicle.

Filling Procedure

    Object Number: 1979741 Size: SH
  1. Clean away any dirt and debris from the transmission fluid fill plug area.
  2. Remove the transmission fluid fill plug (2) and washer (1). Discard the washer.

    3. Object Number: 1302103 Size: SH
  3. Fill the transmission to just below the bottom of the fill plug hole with the recommended fluid. Refer to Lubrication Specifications .

    4. Object Number: 1979741 Size: SH
  4. Install the transmission fluid fill plug (2) and a NEW washer (1).

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

  5. Lower the vehicle.