GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 CTS 🢒 General Information 🢒 General Information 🢒 Transmission Fluid Replacement

Draining Procedure

    Object Number: 1426237 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Clean away all dirt and debris from the transmission fluid temperature sensor/drain plug area.
  3. Place a suitable drain pan under the transmission.
  4. Disconnect the electrical connector from the transmission fluid temperature sensor/drain plug.
  5. Remove the fluid temperature sensor/drain plug (4).
  6. Allow the system to drain.

    7. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the transmission fluid temperature sensor/drain plug (4).

    8. Tighten
    Tighten the transmission fluid temperature sensor/drain plug to 18 N·m (13 lb ft).

  8. Connect the electrical connector to the transmission fluid temperature sensor/drain plug.

Filling Procedure

    Object Number: 71531 Size: SH
  1. Clean away all dirt and debris from the transmission fluid fill plug area.
  2. Remove the transmission fluid fill plug.
  3. Fill the transmission with DEXRON®-III transmission fluid, until even with the bottom of the fill plug hole.
  4. Install the transmission fluid fill plug.

    5. Tighten
    Tighten the transmission fluid fill plug to 18 N·m (13 lb ft).

  5. Remove the drain pan.
  6. Lower the vehicle.