Cooling System Components, Body Side

Notes:
^ When the engine is warm the cooling system is under pressure. If necessary release pressure before starting repair work.
^ Hoses are secured with spring-type clips. When making repairs, only use spring clips.
^ VAG 1921 pliers are recommended for installing spring clips.
- Perform cooling system leakage test with VAG 1274 cooling system tester and 1274/9 adapter.
Cooling system components, body side.
Cooling system components, engine side.
Coolant hose connection diagram.
Engine coolant, draining and filling.
Coolant mixture ratios.

Cooling system components, body side





1. Radiator
^ Removing and installing
- If replaced, replace entire coolant
2. Securing clip
3. Securing rubber
4. Coolant hose, upper
^ Attached to radiator with clip
^ Coolant hose connection diagram:
5. Rubber washer
6. Coolant fan V7
7. Fan ring
^ Clipped to air ducting, secured via locking bolt (item 8)
8. Locking bolt
9. 10 Nm (7 ft. lbs.)
10. 2-pin harness connector
11. Coolant hose, lower
^ Attached to radiator with clip
^ Coolant hose connection diagram
12. 0-ring
^ Replace if damaged
13. 3-pin harness connector
^ Black
^ for Coolant fan thermal switch
14. Coolant Fan Control thermal switch F18
^ 35 Nm (26 ft. lbs.)
^ for electric fan
^ Switching temperatures: Stage 1:
ON: 92...97°C
OFF: 84 ... 91°C
Stage 2:
ON: 99 ... 105°C
OFF--91 ... 98°C
15. Seal
- Replace
16. Drain hose
^ Draining and filling coolant