GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville - RHD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Heater Core Replacement

Removal Procedure

    Object Number: 292114 Size: SH
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement.
  2. Remove the HVAC filter cover.
  3. Remove the heater core/evaporator tube seals from the module.

    4. Object Number: 297081 Size: SH
  4. Remove the heater core cover screws (1).

    5. Object Number: 297078 Size: SH
  5. Remove the heater core retaining screws (1).

    6. Object Number: 292087 Size: SH
  6. Remove the heater core retaining straps.
  7. Remove the heater core.
  8. Remove the rubber seals from the inlet/outlet pipes of the heater core.

Installation Procedure

    Object Number: 292087 Size: SH
  1. Install rubber seals to the outlet/inlet pipes of the heater core.
  2. Install the heater core to the module.
  3. Install the heater core retaining straps.

    4. Object Number: 297078 Size: SH
  4. Install the heater core retaining screws (1).
  5. Install the heater core cover.

    6. Object Number: 297081 Size: SH
  6. Install the heater core cover screws (1).

    7. Object Number: 292114 Size: SH
  7. Install the heater core/evaporator tube seal from the module.
  8. Install the HVAC filter cover.
  9. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement.