Water Pump: Service and Repair

Coolant Pump

Special tools, testers and auxiliary items required

• Drip Tray (V.A.G 1306)

• Torque Wrench (5-50 Nm) (V.A.G 1331)

Removing

- Remove the front bumper.

- Move the lock carrier into the service position. Procedures

- Set the crankshaft to Top Dead Center (TDC) for cylinder 1. Refer to => [ Valve Timing, Checking ] Adjustments.

- Remove the vibration damper => [ (Item 4) Vibration Damper ] Description and Operation.

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

- Disconnect the coolant hose - 3 - from the coolant pipe. Remove the bolts - 1 and 2 - and fold the coolant pipe forward.






- Remove the coolant drain plugs => [ (Item 2) Coolant Drain Plug ] Description and Operation.

- Remove the coolant pump cover => [ (Item 5) Coolant Pump Cover ] Description and Operation.

- Remove the coolant pump bolts - arrows - and remove the coolant pump.






• If the coolant pump bolts are not accessibly, install the vibration damper and rotate the crankshaft using the counterhold tool Touareg V10 (T10172) and pins (T10172/1) until the bolts are accessible.

Installing

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

- Coat the new O-ring with coolant, do not use any other lubricants.

- Install the coolant pump.

- Tighten the coolant pump bolts - arrows - to 20 Nm + 90° (1/4) additional turn.






- Tighten the coolant pump cover bolts in the sequence shown to 8 Nm.






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