GM Service Manual Online
For 1990-2009 cars only

Transmission Fluid Cooler Pipe Replacement - Rear w/RWD

Special Tools

J 44827 Transmission Cooler Quick Connect

Removal Procedure

  1. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.

  2. Object Number: 1351420  Size: SH
  3. Remove the left hand (LH) front wheel. Refer to Tire and Wheel Removal and Installation.
  4. Remove the LH front splash shield retainers.
  5. Remove the LH front splash shield.
  6. Using the J 44827 , disconnect the front transmission oil cooler (TOC) lines from the rear TOC lines.

  7. Object Number: 1710028  Size: SH
  8. Remove the rear TOC line to transmission retainer bolt.
  9. Disconnect the rear TOC lines from the transmission.
  10. Remove and discard the O-rings.

  11. Object Number: 1334983  Size: SH
  12. Remove the TOC retainer bracket bolt.
  13. Note: Reposition the TOC lines to gain access to the retainer bracket rivets. The TOC lines must be removed individually.

  14. Drill out the retainer bracket rivets.
  15. Remove the retainer bracket.
  16. Remove the TOC lines.

Installation Procedure

  1. Install the TOC lines.
  2. Install the retainer bracket.
  3. Install the retainer bracket to the TOC lines.
  4. Rivet the retainer bracket to the TOC lines.
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1334983  Size: SH
  6. Install the TOC retainer bracket bolt.
  7. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  8. Install new O-rings to the rear TOC lines.
  9. Connect the rear TOC lines to the transmission.

  10. Object Number: 1710028  Size: SH
  11. Install the rear TOC line to transmission retainer bolt.
  12. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  13. Connect the front TOC lines to the rear TOC lines.
  14. Install the LH front splash shield.
  15. Install the LH front splash shield retainers.

  16. Object Number: 1351420  Size: SH
  17. Install the LH front wheel. Refer to Tire and Wheel Removal and Installation.
  18. Install the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.

Transmission Fluid Cooler Pipe Replacement - Rear w/AWD

Special Tools

J 44827 Transmission Cooler Quick Connect

Removal Procedure

  1. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
  2. Remove the left hand (LH) intermediate shaft bearing assembly. Refer to Front Wheel Drive Intermediate Shaft Bearing Replacement.

  3. Object Number: 1351420  Size: SH
  4. Using the J 44827 , disconnect the front transmission oil cooler (TOC) lines from the rear TOC lines.

  5. Object Number: 1710028  Size: SH
  6. Remove the rear TOC line to transmission retainer bolt.
  7. Disconnect the rear TOC lines from the transmission.
  8. Remove and discard the O-rings.

  9. Object Number: 1334983  Size: SH
  10. Remove the TOC retainer bracket bolt.
  11. Note: Reposition the TOC lines to gain access to the retainer bracket rivets. The TOC lines must be removed individually.

  12. Drill out the retainer bracket rivets.
  13. Remove the retainer bracket.
  14. Remove the TOC lines.

Installation Procedure

  1. Install the TOC lines.
  2. Install the retainer bracket.
  3. Install the retainer bracket to the TOC lines.
  4. Rivet the retainer bracket to the TOC lines.
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1334983  Size: SH
  6. Install the TOC retainer bracket bolt.
  7. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  8. Install new O-rings to the rear TOC lines.
  9. Connect the rear TOC lines to the transmission.

  10. Object Number: 1710028  Size: SH
  11. Install the rear TOC line to transmission retainer bolt.
  12. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1351420  Size: SH
  13. Connect the front TOC lines to the rear TOC lines.
  14. Install the LH intermediate shaft bearing assembly. Refer to Front Wheel Drive Intermediate Shaft Bearing Replacement.
  15. Install the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.