GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the heater case. Refer to Heater Case Replacement .

  2. Object Number: 473006  Size: SH
  3. Remove the 4 screws and the 2 clamps.
  4. Lift the heater core (1) up and out of the heater case.

Installation Procedure


    Object Number: 473006  Size: SH
  1. Install the heater core (1) to the heater case.
  2. Install the 2 clamps and the 4 screws.
  3. Install the heater case to the vehicle. Refer to Heater Case Replacement .