Rear Coolant Pipe

Rear Coolant Pipe

Special tools, testers and auxiliary items required

• Hose Clip Pliers (V.A.G 1921)

Removing

- Drain the coolant. Refer to => [ Draining and Filling ] Draining and Filling.

- Remove the turbocharger. Refer to => [ Charge Air System with Turbocharger ] Charge Air System with Turbocharger.

- Remove the catalytic converter. Refer to => [ Exhaust System Components ] Exhaust System Components.

- Remove the bolts - 1 and 3 - ; then push the left coolant pipe on the back of the transmission downward.





• The installed location is shown with the engine removed.

• Ignore - 2 and 4 - and the - arrows -.

- Disconnect the electrical connector - 4 - from the Engine Coolant Temperature (ECT) sensor (G62).





- Remove the bolts - 1 and 2 - and remove the rear coolant pipe from the Exhaust Gas Recirculation (EGR) cooler.

- Loosen the clamp - 3 - and remove the rear coolant pipe.

Installing

Installation is performed in reverse order of removal, noting the following:

Tightening specifications, refer to => [ Coolant Pipes Overview ] Description and Operation.

• Replace O-ring.

• The hose connections as well as the charge air pipes and hoses must be free of oil and grease before installing.

• Secure all hose connections using hose clamps appropriate for the model type, refer to the parts catalog.

- Fill the cooling system. Refer to => [ Draining and Filling ] Draining and Filling.