Water Pump: Service and Repair

Coolant Pump

Special tools, testers and auxiliary items required

• Drip tray for VAS 6100 (VAS 6208)

• Spring type clip pliers (VAS 5024A)

Removing

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

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

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

• => [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, without Divided Toothed Belt Guard.

• => [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, with Divided Toothed Belt Guard.

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





- Remove the O-ring - 3 -.

Installing

Installation is performed in reverse order. When doing this note the following:

- Replace the O-ring.

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

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





- Install the coolant pump - 2 -.

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

- Tighten the coolant pump bolts - 1 -.

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

• => [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, without Divided Toothed Belt Guard.

• => [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, with Divided Toothed Belt Guard.

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

Tightening Specifications