Cooling System Components, Engine Side

Cooling system components, engine side





1 - To upper radiator

2 - Upper coolant line

3 - Coolant hose

4 - O-ring
^ Check for secure seat
^ Replace

5 - Coolant hose

6 - Engine Coolant Temperature (ECT) sensor -G62-
^ With Engine Coolant Temperature (ECT) sensor -G2-

7 - Retaining clip
^ Check for secure seat

8 - O-ring
^ Replace

9 - 10 Nm

10 - Connecting piece
^ Only vehicles with optional equipment
^ With glow plugs for coolant

11 - Coolant hose
^ To heat exchanger
^ Secured to connections with retaining clip
^ Ensure seated tightly

12 - Connecting piece

13 - Coolant hose
^ From heat exchanger
^ Secured to lower coolant pipe with retaining clip
^ Ensure seated tightly

14 - Lower coolant line

15 - 15 Nm

16 - Coolant hose
^ Secured to radiator and thermostat housing with a retaining clip
^ Ensure seated tightly

17 - Connecting piece
^ For thermostat

18 - Coolant thermostat
^ Checking: Heat up thermostat in water
^ Opening begins: approx. 85°C
^ Ends: approx. 105°C
^ Opening lift: min. 7 mm

19 - 40 Nm

20 - Oil cooler

21 - Fan wheel
^ For viscous fan clutch

22 - 15 Nm

23 - Coolant pump
^ Check for ease of movement
^ Note installation position

24 - 25 Nm