Radiator and Coolant Fan Overview

Radiator and Coolant Fan Overview

Risk of scalding due to hot steam and hot coolant.

• The coolant system is under pressure when the engine is warm.

• Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure in the system.

Risk of injury from coolant fan starting by itself.

• Before working in fan shroud area, disconnect electrical connectors.

• When the engine is warm the cooling system is under pressure. If necessary release pressure before commencing repair work.

• Secure all hose connections using hose clamps appropriate for the model. Refer to the electronic parts catalog ETKA.

• Hose clip pliers (V.A.G 1921) or spring type clip pliers (VAS 5024 A) are recommended for installing spring-type clamps.

• Always replace gaskets and seals.

• Arrows on coolant pipes and coolant hoses must line up across from each other.

• If there are small impressions on the fins, refer to => [ Coolers, Condensers and Charge Air Coolers ] Coolers, Condensers and Charge Air Coolers.






1 Coolant Fan (V7)

• Removing and installing, refer to => [ Coolant Fans ] Coolant Fans

2 Nut

• 10 Nm

3 Fan Rib

4 Upper Coolant Hose

• To connection sleeve at cylinder head

5 O-ring

• Replace if damaged

6 Radiator

• Removing and installing, refer to => [ Radiator ] Radiator

• After replacing replace entire amount of coolant

7 O-ring

• Replace if damaged

8 Lower Coolant Hose

• To connection for coolant regulator

9 Bolt

• 5 Nm

• To charge air cooler

10 Nut

• 10 Nm

11 Bolt

• 5 Nm

• To cooler

12 Coolant Fan 2 (V177)

• Removing and installing, refer to => [ Coolant Fans ] Coolant Fans