GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 82060  Size: SH
  1. Drain the coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Using the J 38185 , release and reposition the outlet heater hose clamp.
  3. Separate the outlet heater hose from heater pipe.
  4. Using the J 38185 , release and reposition the outlet heater hose clamp away from the coolant surge tank.
  5. Separate the outlet heater hose from surge tank inlet.

  6. Object Number: 380075  Size: SH
  7. Remove the outlet heater hose from the vehicle.
  8. Remove the retaining strap (1), which retains the heater inlet hose (2) to the evaporator tube - front.

  9. Object Number: 82059  Size: SH
  10. Separate the inlet heater hose from heater pipe.
  11. Using the J 38185 , release and reposition the inlet heater hose clamp away from the engine coolant pump.
  12. Separate the heater inlet hose from coolant pump.
  13. Remove the inlet heater hose from the vehicle.

Installation Procedure


    Object Number: 82059  Size: SH
  1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the heater outlet pipe end, and the coolant surge tank inlet.

  2. Object Number: 380075  Size: SH
  3. Install a new retaining strap (1) to retain the heater inlet hose (2) to the evaporator tube - front.
  4. Position the retaining strap as shown.


    Object Number: 82060  Size: SH
  5. Install the outlet heater hose to the heater outlet pipe.
  6. Using the J 38185 , install the heater hose clamp.
  7. Align the heater hose clamp as shown.

  8. Install the outlet heater hose to the coolant surge tank.
  9. Using the J 38185 , install the heater hose clamp.
  10. Align the heater hose clamp as shown.

  11. Refill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.