GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 LaCrosse 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Transmission Fluid Cooler Hose/Pipe Connector Replacement

Removal Procedure

    Object Number: 627406 Size: SH

    Notice: 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 oil cooler hoses from the transaxle oil cooler fittings. Refer to Automatic Transmission Oil Cooler Hose Replacement .
  4. Remove the oil cooler fittings (28, 29) from the transaxle.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 627406 Size: SH

    Important: The correct thread engagement is critical. Cross-threaded fittings can achieve proper tightness and still leak.

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

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

  2. Install the oil cooler hoses to the transaxle oil cooler fittings. Refer to Automatic Transmission Oil Cooler Hose Replacement .
  3. Lower the vehicle.

    4. Notice: Refer to Transmission Overfill Notice 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.