GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Transmission 🢒 Automatic Transmission - 4T65-E 🢒 Transmission Fluid Auxiliary Cooler Replacement

Removal Procedure

    Caution: Allow sufficient clearance around the transaxle oil cooler pipes and around the hoses to prevent damage or wear which may cause fluid loss.

  1. Remove the upper radiator air baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement.
  2. Remove the auxiliary transaxle oil cooler bolt from the upper radiator support.
  3. Remove the lower radiator air baffle. Refer to Radiator Air Lower Baffle and Deflector Replacement.

    4. Object Number: 948345 Size: SH
  4. Remove the auxiliary transaxle oil cooler bolts from the lower radiator support.
  5. Remove the inlet and outlet auxiliary transmission oil cooler lines from the support clips.
  6. Lower the auxiliary transaxle oil cooler below the front bumper.
  7. Remove the inlet and outlet auxiliary transaxle oil cooler hoses from the auxiliary transaxle oil cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.
  8. Remove the auxiliary transaxle oil cooler.

Installation Procedure
  1. Install the inlet and outlet auxiliary transaxle oil cooler hoses to the auxiliary transaxle oil cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    2. Object Number: 948345 Size: SH
  2. Install the auxiliary transaxle oil cooler to the vehicle.
  3. Install the inlet and outlet auxiliary transmission oil cooler lines to the support clips.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the auxiliary transaxle oil cooler bolts to the lower radiator support.

    5. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  5. Install the lower radiator air baffle. Refer to Radiator Air Lower Baffle and Deflector Replacement.
  6. Install the auxiliary transaxle oil cooler bolt to the upper radiator support.

    7. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  7. Install the upper radiator air baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement.
  8. Adjust the fluid level.