Components of Cooling System, Engine Side

Components of cooling system, engine side
1. Coolant pipe
^ Secured to exhaust gas manifold together with heat shield
2. 10 Nm
3. To heat exchanger
4. From heat exchanger
5. Throttle valve control module -J338
6. Cable guide
^ For coolant hoses and wiring harness
7. 8 Nm
8. Upper coolant hose
^ To top off radiator
^ Check for secure seating
9. Bracket
^ For wiring harness
10. Lower coolant hose
11. To cylinder block
12. After-Run Coolant pump -V51
13. Oil cooler
14. O-ring
^ Replace
15. From cylinder block
16. Coolant pipe
17. Sealing plug, 2 Nm
18. Coolant pump
19. 20 Nm
20. Belt pulley
^ For coolant pump
21. 20 Nm
^ Use coolant pump wrench VAG 1590 to loosen and tighten
22. 25 Nm
23. Expansion tank
24. Seal
^ Replace if damaged
25. Sealing cap
^ Check with cooling system tester VAG 1274 and adapter VAG 1274/9
^ The pressure relief valve must open at a pressure of 1.4...1.6 bar
26. Seal
^ Replace
27. Thermostat housing