GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 30962  Size: SH
  1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

  2. Object Number: 30995  Size: SH
  3. Remove the thermostat.
  4. Clean and inspect the thermostat housing gasket mating surfaces.

Installation Procedure


    Object Number: 30995  Size: SH
  1. Install the thermostat.

  2. Object Number: 30962  Size: SH
  3. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .