Coolant Thermostat Checking

Cooling system components, engine side





1. Connector
2. Coolant hose, upper
^ Fastened to bulkhead
3. To heater core
^ Coolant hose connection diagram
4. From heater core
^ Coolant hose connection diagram
5. To connector in coolant hose, upper
^ Coolant hose connection diagram
6. Engine Coolant Temperature (ECT) Sensor -G62
^ Color: blue
^ For engine control module
^ with Engine Coolant Temperature (ECT) Sensor -G2-
^ Before removing release pressure if necessary
^ Checking:
7. Bracket
^ Check for firm fit
8. O-ring
^ Always replace
9. Connector
10. 10 Nm (7 ft. lbs.)
11. Coolant line
^ Coolant hose connection diagram
12. To radiator, upper part
^ Coolant hose connections, diagram
13. O-ring
^ Always replace
14. To expansion tank, lower part
^ Coolant hose connections, diagram
15. 15 Nm (11 ft. lbs.)
16. From radiator, lower part
^ Coolant hose connections, diagram
17. Coolant thermostat
^ Checking: Heat thermostat in water
^ Opening starts at approx. 85°C (185°F)
^ Ends approx. 105°C (221°F)
^ Opening lift: 7 mm min.
^ Check installation position.
18. Oil cooler
^ Removing and installing:
19. Coolant pump
^ Check for smooth movement
^ Replace when damaged or leaking
^ Removing and installing.
20. Cooler
^ For EGR
^ Removing and installing.
21. To expansion tank, upper
^ Coolant hose connections, diagram.