Audi Workshop Service and Repair Manuals

Removing and installing coolant pipe (front) Special tools and workshop equipment required

t  Pin wrench -3212-

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-. –  Drain off coolant → Chapter. –  Remove bumper cover (front) → Rep. Gr.63. –  Move lock carrier to service position → Rep. Gr.50.   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.

–  Unbolt belt pulley from coolant pump. –  Use pin wrench -3212- to counterhold pulley when loosening bolts.

–  Unplug electrical connector -3-. –  Detach coolant hoses -arrows- from coolant pipe (front). –  Unscrew bolts -1-, -2-, -4- and -5- and remove coolant pipe (front). Installing Installation is carried out in the reverse order; note the following:   Note t  Renew seals and 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 poly V-belt → 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 pipe (front) to engine	9
Poly V-belt pulley to coolant pump	20