GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 SRX 🢒 Engine 🢒 Engine Cooling 🢒 Heater Core Replacement

Removal Procedure

    Object Number: 1378998 Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Remove the heater core pipe bracket screw.
  3. Remove the heater core pipe bracket.

    4. Object Number: 1378992 Size: SH
  4. Remove the heater core out of the HVAC module.

Installation Procedure

    Object Number: 1378992 Size: SH
  1. Install the heater core into the HVAC module.
  2. Install the heater core pipe bracket.

    3. Object Number: 1378998 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the heater core pipe bracket screw.

    4. Tighten
    Tighten the screws to 1 N·m (9 lb in).

  4. Install the HVAC module. Refer to HVAC Module Assembly Replacement .