Coolant Pipes Overview

Coolant Pipes 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.

• 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 type, refer to the Parts Catalog.

• 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.






1 Front Coolant Pipes

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

2 Coolant Hose

• From the turbocharger

3 Coolant Hose

• To the coolant reservoir

4 Bolt

• 5 Nm

5 O-ring

• Replace

6 Coolant Hose

• To heat exchanger for heater unit

7 Small Coolant Pipe

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

8 Bolts

• 9 Nm

9 Coolant Hose

10 Bolt

• 5 Nm

11 Coolant Hose

• From the after-run coolant pump (V51)

12 Coolant Hose

• To the after-run coolant pump