Audi Workshop Service and Repair Manuals

Removing and installing coolant pipes (left-side) Special tools and workshop equipment required

t  Drip tray for workshop hoist -VAS 6208-

t  Hose clip pliers -V.A.G 1921-

Removing –  Pull off engine cover panel (front) -arrows-.

–  Remove bolts -arrows-. –  Remove air ducts -1- and -2-.

–  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.

–  Release quick-fasteners -1- and -2- and take off front noise insulation. Leave rear noise insulation in position. –  Remove bumper cover (front) → Rep. Gr.63. –  Move lock carrier to service position → Rep. Gr.50. –  Remove oil cooler → Chapter.   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. –  To slacken poly V-belt turn tensioner in direction of -arrow-. –  Remove poly V-belt from coolant pump. –  Release pressure from the tensioner.

–  Unplug electrical connector -1- for magnetic clutch on air conditioner compressor.   WARNING The air conditioner refrigerant circuit must not be opened. –  Unscrew air conditioner compressor from bracket -arrows-.   Note To prevent damage to the refrigerant lines, ensure that the pipes and hoses are not stretched, kinked or bent. –  Tie up air conditioner compressor with lines attached to left-side of vehicle.

–  Remove bolts -arrows- and detach bracket for AC compressor.

–  Remove bolts -arrows- and disconnect coolant pipes from engine -2-.   Note Disregard -item 1-. Installing Installation is carried out in the reverse order; note the following:   Note t  Renew O-rings. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. –  Before installing, clean and smoothen sealing surface for O-ring. –  Lubricate new O-ring with coolant additive and slide onto coolant pipe. –  Install air conditioner compressor → Rep. Gr.87. –  Install poly V-belt → Chapter. –  Install oil cooler → Chapter. –  Install lock carrier with attachments → Rep. Gr.50. –  Install bumper cover (front) → Rep. Gr.63. –  Fill cooling system → Anchor. Tightening torques

Component	Nm
Coolant pipes to engine	9
Bracket for air conditioner compressor to cylinder block	20