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

Removal Procedure

    Object Number: 627406 Size: SH

    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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Position a drain pan under the vehicle.
  3. Remove the transaxle oil cooler hoses from the transaxle oil cooler fittings. Refer to Transmission Fluid Cooler Hose/Pipe Replacement.
  4. Remove the transaxle oil cooler fittings (28, 29) from the transaxle.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 627406 Size: SH

    Note: The correct thread engagement is critical. Crossthreaded fittings can achieve proper tightness and still leak.

  1. Install the transaxle oil cooler fittings (28, 29) to the transaxle.

    2. Tighten
    Tighten the fittings to 38 N·m (28 lb ft).

  2. Install the transaxle oil cooler hoses to the transaxle oil cooler fittings. Refer to Transmission Fluid Cooler Hose/Pipe Replacement.
  3. Lower the vehicle.

    4. Caution: Refer to Transmission Overfill Caution in the Preface section.

  4. Adjust the fluid level.
  5. Inspect for fluid leaks. Refer to Fluid Leak Diagnosis.
  6. Remove the drain pan from under the vehicle.