Water Pump: Service and Repair

Coolant pump, removing and installing

Special tools, equipment, testers, measuring instruments and auxiliary items required





^ T10007 Refractometer
^ VAG1306 Drip tray
^ VAG1331 Torque wrench (5...50 Nm)
^ VAS5024 Assembly tool for spring-type clamps

Removing

Note:
^ Always replace seals and gaskets.
^ The lower section of the toothed belt guard need not be removed.
^ The toothed belt should be left in position on the crankshaft pulley.
^ Cover the toothed belt with a cloth to protect it from coolant before removing the coolant pump.

^ Drain coolant.
^ Remove ribbed belt.
^ Remove tensioning element for ribbed belt.
^ Remove upper and center sections of toothed belt guard.
^ Take toothed belt off coolant pump toothed belt pulley.





^ Unscrew securing bolt -1- for rear toothed belt guard -2-.
^ Unscrew securing bolts -5- for coolant pump and remove coolant pump -4 -

Installing
Installation is performed in the reverse sequence. Note the following:





^ Moisten new O-ring -3- with coolant.
^ Install coolant pump -4-. Installation position: Coolant pump sealing plug faces downward.
^ Tighten securing bolts -5- to 15 Nm.
^ Tighten securing bolt -1- for rear toothed belt guard -2- on cylinder head to 20 Nm
Installing toothed belt and adjusting timing.
^ Install ribbed belt tensioning element and torque to 25 Nm.
^ Install ribbed belt.
^ Fill with coolant.