Water Pump: Service and Repair
Coolant pump, removing and installing
Special tools, repair equipment, testers, measuring instruments and other items required:
^ Refractometer T10007
^ Drip tray VAG 1306
^ Torque wrench (5 to 50 Nm) VAG 1331
^ Assembly tools for spring clips VAS 5024 A
Removing
Note:
^ Always replace gaskets and sealing rings.
^ Remove toothed belt completely so that it cannot be damaged by coolant.
- Drain cooling system.
- Remove ribbed belt.
- Remove ribbed belt tensioning element.
- Remove toothed belt.
- Remove bolts (arrows) securing coolant pump and remove coolant pump.
Installing
Install in reverse order, paying attention to the following:
- Moisten new O-ring -3- with coolant.
- Insert coolant pump into cylinder block and tighten securing bolts -1-.
Tightening torque: 15 Nm
- Installing toothed belt and adjusting valve timing.
- Install ribbed belt tensioning element.
Tightening torque: 25 Nm
- Install ribbed belt.
- Fill coolant system.