GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 798929  Size: SH
  1. Disconnect the coolant heater cord (1).

  2. Object Number: 824483  Size: SH
  3. Remove the coolant heater bolt.
  4. Remove the coolant heater.

Installation Procedure


    Object Number: 824483  Size: SH
  1. Install the coolant heater.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the coolant heater bolt and tighten to 10 N·m (89 lb in).

  4. Object Number: 798929  Size: SH
  5. Connect the coolant heater cord (1).