Removal & Installation: Thermostat: Removal

1. Drain the coolant until it is below the level of the thermostat. See Fig 1.
2. Remove the coolant outlet (1) assembly. See Fig 2.
3. Remove the thermostat (3).

Fig 1: Exploded View Of Pellet-Type Thermostat Components

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing & Installing Thermostat

Courtesy of GENERAL MOTORS CORP.