Cooling System Components Assembly Overview, Engine Side
Cooling System Components Assembly Overview, Engine Side
1 To expansion tank at top
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
2 Upper coolant line
• Attached to the cylinder head cover
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
3 O-ring
• Replace
4 Retaining clip
• Check for secure seat
5 Engine Coolant Temperature (ECT) sensor (G62)
• If necessary release pressure in cooling system for removing
6 To cooler for exhaust gas recirculation
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
7 Connecting piece
8 10 Nm
9 To upper radiator
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
10 From heat exchanger
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
11 40 Nm
12 Distribution piece
13 from the upper coolant hose distribution piece
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
14 15 Nm
15 From expansion tank at bottom
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
16 Front coolant line
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
17 Seal
• Replace
18 Engine Coolant Temperature (ECT) sensor (on radiator) (G83)
19 15 Nm
20 To lower radiator
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
21 Thermostat housing
• For thermostat
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
22 Coolant thermostat
• Removing and installing => [ Thermostat ] Service and Repair.
• Note installation position => [ Thermostat ] Service and Repair.
• Checking: Heat up thermostat in water
• Opening begins approximately 85° C
• Ends approximately 105° C
• Opening lift min. 7 mm
23 Rear coolant pipe
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
24 From cooler for Exhaust Gas Recirculation (EGR)
• To the recirculation pump
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
25 To heat exchanger
• Coolant hose connection diagram => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
26 Coolant pump
• Check for ease of movement
• Note installation position
• Removing and installing => [ Coolant Pump ] Service and Repair.
27 Oil cooler
• For engine oil
• Removing and installing => [ Oil Filter Bracket and Oil Cooler Assembly Overview ] Oil Filter Bracket and Oil Cooler Assembly Overview.
• Oil cooler, checking for leaks => [ Oil Cooler, Checking for Leaks ] Testing and Inspection.