Water Pump: Service and Repair

Coolant Pump

Special tools, testers and auxiliary items required

• Drip Tray (V.A.G 1306)

• Spring Type Clip Pliers (VAS 5024 A)

Removing


Hot steam may escape when opening the expansion tank cap. Wear protective goggles and protective clothing to prevent damage to eyes and scalding. Cover the cap with a cloth and open very carefully.

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

- Remove the toothed belt, refer to one of the following:

• With a divided toothed belt guard, refer to => [ Toothed Belt, with a Divided Toothed Belt Guard ] Toothed Belt, with a Divided Toothed Belt Guard.

• Without a divided toothed belt guard, refer to => [ Toothed Belt, without a Divided Toothed Belt Guard ] Toothed Belt, without a Divided Toothed Belt Guard.

- Remove the coolant pump bolts - 1 - and remove the coolant pump - 2 -.






- Remove the O-ring - 3 -.

Installing

Install in the reverse order of removal. Note the following:

- Replace the O-ring.

- Clean the smooth sealing surface for the O-ring.

- Lubricate the new O-ring - 3 - with coolant.






- Insert the coolant pump - 2 -.

• Installed position: the Sealing plug in the housing points downward.

- Tighten the coolant pump bolts - 1 -.

- Install the toothed belt, refer to one of the following:

• With a divided toothed belt guard, refer to => [ Toothed Belt, with a Divided Toothed Belt Guard ] Toothed Belt, with a Divided Toothed Belt Guard.

• Without a divided toothed belt guard, refer to => [ Toothed Belt, without a Divided Toothed Belt Guard ] Toothed Belt, without a Divided Toothed Belt Guard.

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

Tightening Specifications






1 Install using locking fluid