GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39400-A Halogen Leak Detector
    •  J 44827 Transmission Cooler Quick Connect

Removal Procedure

    Important: It is not necessary to discharge the refrigerant from the A/C system during auxiliary transmission oil cooler (TOC) front line replacement.

    Remove the A/C condenser mounting bolts and reposition the condenser.


    Object Number: 1350216  Size: SH
  1. Reposition the condenser to access the auxiliary transmission oil cooler lines. Refer to Condenser Replacement .
  2. Disconnect the transmission oil cooler (TOC) lines from the TOC.
  3. Disconnect the TOC line from the TOC retainer clip (1).

  4. Object Number: 1351414  Size: SH
  5. Remove the TOC to cooling fan shroud bolts.

  6. Object Number: 1351420  Size: SH
  7. Remove the LH front wheel. Refer to Tire and Wheel Removal and Installation .
  8. Remove the LH front splash shield retainers.
  9. Remove the LH front splash shield.
  10. Using the J 44827 , disconnect the front TOC lines from the rear TOC lines.
  11. Remove the front TOC lines.

Installation Procedure

  1. Install the front TOC lines.
  2. Connect the front TOC lines to the rear TOC lines.
  3. Install the LH front splash shield.
  4. Install the LH front splash shield retainers.

  5. Object Number: 1351420  Size: SH
  6. Install the LH front wheel. Refer to Tire and Wheel Removal and Installation .
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1351414  Size: SH
  8. Install the TOC to cooling fan shroud bolts.
  9. Tighten
    Tighten the bolts to 6.5 N·m (58 lb in).

  10. Connect the TOC line to the TOC retainer clip (1).
  11. Connect the transmission oil cooler (TOC) lines to the TOC.
  12. Tighten
    Tighten the fittings to 20 N·m (15 lb ft).


    Object Number: 1350216  Size: SH
  13. Reposition and reinstall the condenser. Refer to Condenser Replacement .