Cooling System Components Assembly Overview, Engine Side

Cooling system components (engine side)

Engine code AEG






1. Coolant pipe, upper
- Clipped to engine bulkhead
2. Hose to heat exchanger
3. 4-pin harness connector
- Wiring cavities 1 and 3 for G62
4. Engine Coolant Temperature sensor -G62
- For engine control module
- With engine coolant temperature gauge sensor G62
- Release cooling system pressure before removing
5. Retaining clip
- Check securely seated
6. From heat exchanger
7. Coolant pipe
8. 10 Nm (7 ft. lbs.)
9. Hose to expansion tank, lower
10. O-ring
- Always replace
11. Connector
12. Hose to upper radiator
13. Hose from lower radiator
14. Oil cooler
15. 15 Nm (11 ft. lbs.)
16. Engine - Coolant thermostat
- Checking:
- Heat up Thermostat in water
- Opening starts at approx. 86 °C (216 °F)
- Opening ends at approx. 102 °C (216 °F)
- Opening lift: 7 mm (0.28 in)
17. Camshaft drive belt
- Mark engine direction of rotation before removing
- Check for wear
- Do not kink
18. Coolant pump
- Check shaft for ease of rotation
- If damaged or leaking replace complete assembly
19. Camshaft drive belt guard, rear
20. 20 Nm (15 ft. lbs.)
21. Throttle Control Module
- Heated by engine coolant
22. O-ring
- Replace if damaged
23. Hose to expansion tank, upper