System Components

Coolant Pump, Hoses and Pipes





1 Coolant pipe

2 20 Nm (15 ft lb)

3 To radiator (bottom)

4 10 Nm (7 ft lb)

5 Union

6 0-ring
• For thermostat
• Always replace

7 Thermostat
• Checking: Heat thermostat in water
• Opens at approx. 87°C (189°F)
• Closes at approx. 102°C (216°F)
• Opening stroke at least 8 mm (0.31 in.)

8 Coolant pump
• Check shaft for ease of movement
• Replace coolant pump if damaged or leaking

9 20 Nm (15 ft lb)

10 0-ring
• Always replace
• Clean and smooth sealing surface for 0-ring

11 Bracket for electric coolant pump
• Mounted on left engine support

12 20 Nm (15 ft lb)

13 Turbocharger Coolant (TC) pump

14 Electronic Engine Coolant Temperature (ECT) thermal switch -F76-
• 25 Nm (18 ft lb)

15 Turbocharger Coolant (TC) pump thermal switch -F98-
• For turbocharger coolant pump
• Switching temperatures:
on: 106-112°C (223-234°F)
off: 94-105°C (201-221°F)
• 15 Nm (11 ft lb)

16 To radiator (top)

17 To expansion tank

18 Coolant manifold

19 Gasket
• Always replace

20 0-ring
• Always replace

21 10 Nm (7 ft lb)

22 Banjo bolt
• 30 Nm (22 ft lb)

23 Coolant pipe

24 From heater heat exchanger

25 Coolant supply pipe
• To turbocharger

26 Engine Coolant Temperature (ECT) sensor -G62-
• 15 Nm (11 ft lb)

27 0-ring
• Always replace

28 Union

29 20 Nm (15 ft lb)

30 Sensor
• Not for USA/Canada vehicles

31 0-ring
• Always replace
• Not for USA/Canada vehicles

32 Retaining clip
• Not for USA/Canada vehicles

33 Union
• Not for USA/Canada vehicles

34 To heater heat exchanger
• Not for USA/Canada vehicles