SEAT Workshop Service and Repair Manuals

Removing and installing coolant pump

Special tools and workshop equipment required

t	Refractometer -T10007-

t	Drip tray for workshop hoist -VAS 6208-

t	Hose clip pliers -VAS 6340-

t	Coolant charger -VAS 6096-

t	Adapter for cooling system tester -V.A.G 1274/8-

t  Refractometer -T10007 A-

t  Torque wrench -V.A.G 1331-

t  Torque wrench -V.A.G 1410- Carry out the following work: Removal: –  Drain coolant → Chapter.

–  Press locking lugs -arrows- and pull intake connection off -1- in -direction of arrow-.

–  Disconnect hose -1- at air cleaner housing. –  Pull air filter housing upwards off studs at positions -2- and -3-.

–  Unscrew securing bolts -arrows- of cover -1-. –  Unclip duct from the guard. –  Remove cover -1-.

–  Disconnect all coolant hoses -1- from coolant pump.

–  Remove retaining ring -arrow- of gear selector cable. –  Remove gear selector cable -1- from selector lever and lay to side.

–  Unscrew securing bolts -1- through -5- of coolant pump in sequence given. –  Remove coolant pump and thermostat housing. If the coolant pump is to be renewed: –  Remove thermostat housing → Chapter. Installation Installation is in the reverse sequence of removal. Note the following: –  If coolant pump has been renewed, install thermostat housing → Chapter.

–  Ensure proper seating of gaskets -arrows-. –  Moisten gasket with coolant.   Caution Always adhere to the sequence of work steps given below when installing the coolant pump. This ensures that the toothed belt is correctly tensioned. The following work steps should be carried out with the aid of a 2nd mechanic. –  Fit toothed belt centrally onto camshaft sprocket and coolant pump toothed belt pulley.

–  Mount coolant pump on cylinder head with securing bolts. –  At first, tighten coolant pump securing bolts -1- through -5- to 5 Nm. –  Then, loosen all bolts by 90°.

–  Preload coolant pump with hexagon socket insert -6- and torque wrench -V.A.G 1331- to 33 Nm. –  Keep torque wrench -V.A.G 1331- pushed to that torque. –  Tighten securing bolts -1- through -5- clockwise in sequence given to 12 Nm. –  Install selector mechanism to gearbox → Rep. gr.34. –  Fill up with coolant → Chapter. –  Install air cleaner housing → Chapter.

Tightening torque:

Component	Specified torque .
Thermostat housing to coolant pump	7 Nm
Coolant pump	12 Nm
Toothed belt cover	8 Nm