GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the heater case (1). Refer to Heater Case Replacement .
  2. Remove 1 screw and heater core pipes bracket.

  3. Object Number: 345872  Size: SH
  4. Remove the heater core (2) from the heater case (1).

Installation Procedure


    Object Number: 345872  Size: SH
  1. Install the heater core (2) to the heater case (1).
  2. Install the heater core pipes bracket.
  3. Secure the bracket with the 1 screw.
  4. Install the heater case (1) to the vehicle. Refer to Heater Case Replacement .