Cooling System Components, Body Side

Cooling system components, body side





Engines: AEG, AVH, AZG, BBW, BEV and BHP

Note:
^ Coolant hose connection diagram
^ Engines: AVH, AZG, BBW, BEV and BHP

1. Radiator
^ After replacement replace entire amount of coolant
2. O-ring
^ Always replace
3. Upper coolant hose
4. Distributor connection piece
^ Secured to radiator with quick release coupling
^ Check for secure seating
5. Clip
^ Check for secure seating
6. A/C Cut-Out Thermal Switch -F163
^ Only applies to models with air conditioning system up to build date 05 99, depending on version.
7. Coolant hose
^ From cylinder head union
8. Coolant hose
9. Coolant hose
^ To coolant pipe on cylinder block, AEG engine.
^ To oil cooler on engines: AVH, AZG, BBW, BEV and BHP
10. Connector
11. Cover
^ Check with coolant system tester V.A.G. 1274 and adapter V.A.G. 1274/9
^ Pressure relief valve must open at a pressure of 1.4 to 1.6 bar
12. 10 Nm
13. Expansion tank
^ Perform leak test on coolant system with coolant system tester V.A.G. 1274 and adapter V.A.G1274/8
^ Test pressure 1.4 to 1.6 bar
14. Coolant hose
^ From throttle valve control module
15. Coolant hose
^ To coolant pipe
16. Air ducting
17. Right coolant fan -V35
18. Fan ring
19. Retaining clip
^ Check seated securely
20. Coolant fan -V7
21. Bracket
^ For coolant fan connector
22. Lower coolant hose
^ Secured to radiator by quick release coupling
^ Check seated securely
23. Connector
^ For Coolant Fan Control (FC) thermal switch -F1 8
24. Coolant Fan Control (FC) thermal switch -
^ F18-, 35 Nm For electric fan V7 and V35 Switching temperatures:
^ 1 Speed on: 92 - 97°C off: 84 - 91°C
^ 2 Speed on: 99 - 105°C
^ off: 91 - 98°C
25. Bracket
^ For radiator
^ Observe installed position
^ Different versions