Water Pump: Service and Repair
Coolant Pump
Special tools, testers and auxiliary items required
• Engine Support Bridge (10-222 A)
• Engine Support Adapter (10-222 A/3)
• Engine Support Feet (10-222 A/8)
• Shackle (10-222 A/12)
• Torque Wrench (5-50 Nm) (V.A.G 1331)
• Torque Wrench (40-200 Nm) (V.A.G 1332)
When doing any repair work, especially in the engine compartment, pay attention to the following due to clearance issues:
• Route lines of all types (for example, fuel, hydraulic, Evaporative Emission (EVAP), coolant and refrigerant, brake fluid and vacuum) and electrical wiring so that the original path is followed.
• To prevent damage to the lines, make sure there is sufficient clearance to all moving or hot components.
Removing
- Remove the engine cover with air filter. Refer to => [ Engine Cover with Air Filter ] Engine Cover with Air Filter.
- Remove the battery.
- Open the cover - 1 - for the E-box and remove the wire - 2 -.
- Remove the bolts - arrows - and remove the battery tray from the vehicle.
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 air guide bolts - arrows - from the lock carrier.
- Remove the connecting pipe - 4 -. To do so, disconnect the pressure and vent tubes - 1 and 2 - (compress the securing ring) and remove the spring clamp - 3 -.
- Remove front and rear sections of the right front wheel housing liner.
- Remove the generator and coolant pump ribbed belt. Refer to => [ Ribbed Belt ] Service and Repair.
- Remove the 4 exhaust manifold to front exhaust pipe nuts - 2 - and the exhaust system suspended mount bolts - 3 -.
- Remove the exhaust pipe - 1 - from the manifold and secure it to the side. Refer to => [ Front Exhaust Pipe with Catalytic Converter ] Front Exhaust Pipe with Catalytic Converter.
• The flex joint in the front exhaust pipe must not be bent more than 10 °, otherwise it may be damaged.
- Remove the pendulum support.
Vehicles with a Manual Transmission:
- Remove the shift mechanism from the transmission.
Vehicles with a Automatic Transmission:
- Remove the selector lever cable from the transmission.
Continuation for all Vehicles:
- Install the engine support bridge (10-222 A) with the engine support feet (10-222 A/8) and support the engine/transmission in its installed position using the engine support adapter (10-222 A/3) and the shackle (10-222 A/12).
• Illustration shows the arrangement with a automatic transmission.
• In vehicles with a manual transmission, the spindle - A - is to be located toward the rear and secured to reinforcement brace of the transmission.
- Remove the bolt - 2 - and place the windshield washer reservoir - 1 - toward the front.
- Remove the bolts - 6 - and disconnect the connector - 3 -.
- Remove the bolts - 5 - and set the coolant expansion tank with hoses connected onto the engine.
- Remove the bolts - 1, 2 and 3 - and remove the engine mount.
• The rear bolt - 2 - is accessible through a hole in the wheel housing.
- Remove the transmission mount to transmission mount bracket bolts - arrows -.
- Slide the engine forward and to the left as far possible.
- Remove the 3 coolant pump bolts => [ (Item 23) Bolt ] Cooling System Components Overview, Engine Side and swivel the coolant pump - A - out as shown.
Installing
Installation is performed in the reverse order of removal. When doing this note the following:
• Note the installed position of the coolant pump. The sealing plug in the housing points downward.
• Fill the coolant. Refer to => [ Draining and Filling ] Procedures.
• Install the battery.
Tightening Specifications