GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 26549-E Orifice Tube Remover
    • J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

  2. Object Number: 871559  Size: SH
  3. Loosen the evaporator tube (5) from the evaporator.
  4. Loosen the auxiliary evaporator tube (7) from the auxiliary piping.
  5. Remove the evaporator tube nut from the condenser.
  6. Remove the nuts (1, 2) retaining the evaporator tube to the fender.
  7. Remove the washer solvent container. Refer to Windshield Washer Solvent Container Replacement.
  8. Remove the coolant recovery tank. Refer to Coolant Recovery Reservoir Replacement.
  9. Remove the evaporator tube using J 26549-E .
  10. Remove the O-ring seal and discard.

Installation Procedure

  1. Install the new O-ring seal. Refer to O-Ring Replacement.

  2. Object Number: 871559  Size: SH
  3. Install the evaporator tube.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Connect the evaporator tube to the evaporator (5). Tighten the nut to 28 N·m (21 lb ft).
  6. Connect the auxiliary evaporator tube to the auxiliary piping. Tighten the nut to 28 N·m (21 lb ft)
  7. Connect the evaporator tube to the condenser. Tighten the nut to 28 N·m (21 lb ft)
  8. Install the coolant recovery tank. Refer to Coolant Recovery Reservoir Replacement.
  9. Install the washer solvent container. Refer to Windshield Washer Solvent Container Replacement.
  10. Install the nuts (1, 2) retaining the evaporator tube to the fender and tighten to 28 N·m (21 lb ft).
  11. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
  12. Leak test the fittings of the components using the J 39400-A .