Water Pump: Service and Repair

Coolant Pump

Special tools, testers and auxiliary items required

• Drip tray for workshop crane (VAS 6208)

• Spring-type clip pliers (VAS 5024 A)

Removing

CAUTION!
Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.

- Open cap of coolant expansion tank.

- Remove engine cover - arrows -.





- For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.





- Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.





- Drain engine coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures

- Remove toothed belt. Refer to => [ Toothed Belt ] Service and Repair

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





- Remove O-ring - 3 -.

Installing

Installation is in reverse order of removal, note the following:

- Clean and/or smooth O-ring sealing surface.

- Moisten new O-ring - 3 - with coolant G12+.





- Insert coolant pump - 2 -.

• Installed location: Sealing plug in housing points downward

- Tighten bolts. Refer to - 1 - of coolant pump to 15 Nm.

- Install toothed belt. Refer to => [ Toothed Belt ] Service and Repair.

- Install ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Fill with coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.

- Install lock carrier with attachments. Refer to =>
Radiator Support Radiator Support

- Place torque support stop onto rubber buffer for torque support under its own weight and tighten nuts - arrows -.





- Install front bumper cover.

- Check headlight adjustment.

Tightening Specifications