GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Corvette 🢒 Transmission 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Transmission Fluid Cooler Lower Pipe Replacement - Intermediate

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the floor panel tunnel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement.
  3. Install a drain pan under the vehicle.

    4. Note: 

       • The front transmission fluid cooler pipes connect to the rear transmission fluid cooler pipes near at the rear of the engine next to the starter motor.
       • Cap or plug the open transmission fluid cooler pipes immediately to prevent system contamination.


    Object Number: 1503871 Size: SH
  4. Disconnect the intermediate transmission fluid cooler lower pipe from the front transmission fluid cooler lower pipe. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    5. Object Number: 1507118 Size: SH
  5. Disconnect the intermediate transmission fluid cooler lower pipe from the rear transmission lower pipe. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    6. Object Number: 1503852 Size: SH
  6. Remove the transmission fluid cooler pipes clip.

    7. Object Number: 1503772 Size: SH
  7. Remove the transmission fluid cooler pipe retaining bolts from the driveline support.

    8. Note: Spread the clamps holding the 2 pipes together to remove the pipe from the vehicle.

  8. Remove the intermediate transmission fluid cooler lower pipe from the vehicle.

Installation Procedure

    Object Number: 1507118 Size: SH
  1. Connect the intermediate transmission fluid cooler lower pipe to the rear transmission lower pipe. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    2. Object Number: 1503871 Size: SH
  2. Connect the intermediate transmission fluid cooler lower pipe to the front transmission fluid cooler lower pipe. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    3. Object Number: 1503852 Size: SH
  3. Install the transmission fluid cooler pipes clip.

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


    Object Number: 1503772 Size: SH
  4. Install the transmission fluid cooler pipe retaining bolts to the driveline support.

    5. Tighten
    Tighten the bolt to 12 N·m (9 lb ft).

  5. Check the transmission fluid level. Add fluid if necessary. Refer to Transmission Fluid Check.
  6. Remove the drain pan.
  7. Install the floor panel tunnel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement.
  8. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.