Water Pump: Service and Repair
Coolant Pump
Special tools, testers and auxiliary items required
• Drip Tray (VAS 6208)
• Hose Clip Pliers (VAS 5024 A)
Removing
Cover cap of expansion tank with rag and open carefully, as hot steam for example hot coolant may escape when opened.
- Open cap of coolant expansion tank.
- Remove the engine cover and air filter.
- Remove noise insulation.
- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.
- Remove toothed belt. Refer to => [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without Divided Toothed Belt Guard or => [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
- Remove the coolant pump bolts - 1 - and then remove the coolant pump - 2 -.
- Remove O-ring - 3 -.
Installing
Install in reverse order of removal. Note the following:
• For the correct tightening specifications, refer to => [ Cooling System Overview ] Cooling System Overview
- Clean and/or smooth O-ring sealing surface.
- Coat new O-ring - 3 - with coolant.
- Insert coolant pump - 2 -.
• Installation position: Sealing plug in housing points downward.
- Install toothed belt. Refer to => [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without Divided Toothed Belt Guard or => [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
- Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.
- Fill with coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.