GM Service Manual Online
For 1990-2009 cars

Heater Core Replacement LHD

Removal Procedure

  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement.
  2. Remove the heater hose bracket screw.

  3. Object Number: 1951037  Size: SH
  4. Remove the heater hose bracket (1).

  5. Object Number: 1951039  Size: SH
  6. Slide the heater core out of the HVAC module assembly.

Installation Procedure


    Object Number: 1951039  Size: SH
  1. Slide the heater core into the HVAC module assembly.

  2. Object Number: 1951037  Size: SH
  3. Install the heater hose bracket (1).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the heater hose bracket screw.
  6. Tighten
    Tighten the screws to 1 N·m (9 lb in)

  7. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement.