Primary Thermostat - Gas Engine
| 1 - COOLANT HOSE |
| 2 - INLET HOUSING |
| 3 - BOLT |
- Partially drain THE cooling system. Refer to STANDARD PROCEDURE .
- Remove THE air filter housing. Refer to STANDARD PROCEDURE .
- Disconnect the coolant hose (1) from the inlet housing (2).
- Remove inlet housing bolts (3).
- Remove the thermostat assembly, and clean the sealing surfaces.