Audi Workshop Service and Repair Manuals

Removing and installing coolant pump

Special tools and workshop equipment required

t	Support bracket -10-222 A-

t	Shackle -10-222 A/12-

t	Water pump spanner -V.A.G 1590-

t	Hose clip pliers -V.A.G 1921-

t	Drip tray for workshop hoist -VAS 6208-

t	Locking pin -T10060 A-

t	Bolt M8x40

Removing   WARNING Hot steam/hot coolant can escape - risk of scalding. t  The cooling system is under pressure when the engine is hot. t  Cover filler cap on coolant expansion tank with a cloth and open carefully to dissipate pressure. –  Open filler cap on coolant expansion tank.   Note

Before removing, mark direction of rotation of poly V-belt with chalk or felt-tipped pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage. –  Turn tensioner in direction of -arrow- to slacken poly V-belt and lock in position with locking pin -T10060 A-. –  Remove poly V-belt.

–  Detach air hose -arrow- at the throttle valve module -J338-.

–  Attach the shackle -10-222 A/12- to the engine lifting eye (rear right). –  Set up support bracket -10-222 A- on wing panel flanges. l  The spindle is located at rear. –  Attach spindle hook to shackle. –  Pretension the spindle slightly.

–  Loosen bolts -arrows- of assembly mounting (left-side) at engine.

–  Remove centre noise insulation -fasteners 1 ... 3-.

–  Remove noise insulation (right-side) -fasteners 1 ... 3-.

–  Place drip tray for workshop hoist -VAS 6208- under engine. Vehicles with drain plug: –  Turn drain plug -arrow- on radiator anti-clockwise, if necessary fit drain hose to connection. Vehicles without drain plug: –  Remove bottom coolant hose -2- from radiator by pulling off retaining clip. All vehicles (continued): –  Unplug electrical connector -1- at radiator outlet coolant temperature sender -G83-.

–  In addition, remove lower coolant hose to continued circulation coolant pump -V51--arrow- and drain off remaining coolant.   Note Illustration shows vehicle with direct shift gearbox.

–  Remove -bolts 1 ... 3- and detach pendulum support. –  Unclip bracket for wire to oil level and oil temperature sender -G266- at subframe.

–  Lower engine via spindle approx. 60 mm.

–  Remove pulley; counterhold using water pump spanner -V.A.G 1590-.   Note The pulley must not be removed if the engine has been taken out. In this case, the securing bolts for coolant pump are accessible through the bores of the pulley.

–  Unscrew bolts -1- for coolant pump -2-. –  Swing the coolant pump forwards and remove. Installing Installation is carried out in the reverse order; note the following:   Note Renew O-ring. –  Clean and smoothen sealing surface for O-ring as required. –  Moisten new O-ring with coolant additive “G12+”.

–  Fit coolant pump -2-. –  Tighten bolts -1- for coolant pump. –  Install the pulley. –  Install poly V-belt → Chapter. –  Fill cooling system → Anchor. –  Adjust engine mountings → Chapter. Tightening torques

Component	Nm
Coolant pump to cylinder block	8
Pulley to coolant pump	20