GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 44827 Transmission Cooler Quick Disconnect

Removal Procedure

  1. Remove the air deflector. Refer to Front Air Deflector Replacement in Body Front End.

  2. Object Number: 823308  Size: SH
  3. Disconnect the auxiliary cooling fan electrical connector.
  4. Notice: The transmission oil cooler system uses quick connect fittings throughout the system. Use a special tool to disconnect these quick connect fittings. Removing the transmission oil cooler lines without this tool will result in damage to the radiator, the transmission, and the transmission oil cooler caused by mixing the transmission oil and coolant or due to transmission oil loss.

  5. Using the J 44827 disconnect the auxiliary transmission cooler lines from the auxiliary cooler.
  6. Position the auxiliary cooler lines out of the way.

  7. Object Number: 789066  Size: SH
  8. Remove the auxiliary cooling fan assembly bolts (1, 2).
  9. Remove the lower left auxiliary cooling fan bolt.

  10. Object Number: 789070  Size: SH
  11. Remove the auxiliary cooling fan assembly bolt (1).
  12. Remove the upper left auxiliary cooling fan bolt.
  13. Remove the auxiliary cooling fan assembly from the vehicle.

Installation Procedure

  1. Position the auxiliary fan assembly into the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 789066  Size: SH
  3. Install the auxiliary cooling fan lower bolts (1,2).
  4. Tighten
    Tighten the bolts to 6.5 N·m (58 lb in).


    Object Number: 789070  Size: SH
  5. Install the fan assembly bolt (1).
  6. Tighten
    Tighten the bolt to 6.5 N·m (58 lb in).

  7. Install the remaining auxiliary cooling fan bolts.
  8. Tighten
    Tighten the bolts to 6.5 N·m (58 lb in).

  9. Push the auxiliary transaxle oil cooler line into the cooler until you hear it engage.
  10. Gently tug out on the transmission oil cooler line to verify that the line is engaged into position.

  11. Object Number: 823308  Size: SH
  12. Connect the auxiliary fan electrical connector.
  13. Install the air deflector. Refer to Front Air Deflector Replacement in Body Front End.
  14. Inspect the transmission fluid level. Refer to Transmission Fluid Check in Automatic Transmission - 5L40-E/5L50-E.