buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications
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Thermostat: Service and Repair

Thermostat Replacement (RPO LX9)

Removal Procedure

1. Remove the thermostat housing.
2. Remove the thermostat.
3. Remove and discard the thermostat O-ring seal.
4. Clean and inspect the thermostat housing sealing surfaces.

Installation Procedure

1. Install a NEW thermostat O-ring seal.
2. Install the thermostat.
3. Install the thermostat housing.

Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications