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 5024A)
Removing
CAUTION!
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 ] Draining and Filling.
- Remove the toothed belt, refer to one of the following:
=> [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
=> [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without 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 the reverse order of removal, noting the following:
- Install a new O-ring.
- Clean or smooth the sealing surface for the O-ring.
- Lubricate the new O-ring - 3 - with coolant.
- Insert the coolant pump - 2 -.
• Installed position: Sealing plug in the housing points downward.
- Install and tighten the coolant pump bolts - 1 -.
- Install the toothed belt, refer to one of the following:
=> [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
=> [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without Divided Toothed Belt Guard.
- Fill the cooling system. Refer to => [ Draining and Filling ] Draining and Filling.
Tightening Specifications
1 Install using locking fluid