Audi Workshop Service and Repair Manuals

Removing and installing bracket for ancillaries Special tools and workshop equipment required

t  Drip tray for workshop hoist -VAS 6208- 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. –  Drain coolant → Chapter.

–  Open hose clip -1- and detach air hose.

Caution If a used belt runs in the opposite direction when it is refitted, this can cause breakage. Before removing, mark direction of rotation of poly V-belt with chalk or felt-tip pen for re-installation. –  To slacken poly V-belt turn tensioner in direction of -arrow-. –  Lock tensioner with locking pin -T10060 A-. –  Take off poly V-belt.   Note

Place a cloth underneath bracket for ancillaries to catch any escaping oil. –  Unplug electrical connectors -1 and 3- from oil pressure switch -F22- and oil pressure switch for reduced oil pressure -F378-. –  Unplug electrical connector -5- at piston cooling jet control valve -N522-.

–  Unplug electrical connector -1- for charge pressure sender -G31- and move clear. –  Open hose clip -2- and detach air hose.

–  Unscrew bolts -1- and -2- and swivel coolant pipe (front) upwards. –  Remove alternator → Electrical system; Rep. gr.27.

–  Unplug electrical connector -1- for magnetic clutch on air conditioner compressor.   WARNING Risk of injury caused by refrigerant. The air conditioner refrigerant circuit must not be opened. –  Remove bolts -arrows- for air conditioner compressor.   Caution Danger of damage to refrigerant lines and hoses. Do NOT stretch, kink or bend refrigerant lines and hoses. –  Tie up air conditioner compressor together with refrigerant hoses to longitudinal member (refrigerant hoses remain connected). –  Remove oil filter → Booklet812, A5 → Booklet811.

–  Unscrew bolts -1 ... 5- and detach bracket for ancillaries from coolant pump housing. Installing Installation is carried out in the reverse order; note the following: l  Tightening torques → Chapter „Cylinder block (pulley end) - exploded view“   Note t  Renew the bolts tightened with specified tightening angle. t  Renew O-rings and gaskets.

–  Lubricate O-rings -4- with coolant additive, for coolant additive refer to → Electronic parts catalogue. –  Insert connection -2- into coolant pump housing -3-. –  Push bracket for ancillaries -1- onto connection, fit bolts and tighten; tightening sequence → Fig.. –  Install air conditioner compressor → Rep. gr.87. –  Install alternator → Electrical system; Rep. gr.27. –  Install poly V-belt → Chapter. –  Fill up with coolant → Anchor. –  Install oil filter and check oil level; A4 → Booklet812, A5 → Booklet811.