Audi Workshop Service and Repair Manuals

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

t  Hose clip pliers -V.A.G 1921-

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  To allow pressure to dissipate, cover filler cap on expansion tank with cloth and open carefully. –  Open filler cap on expansion tank.

–  Pull cover off air duct (release clips on sides) -arrows-.

–  Unclip air duct at the bottom by releasing clips -arrows-. –  Detach air duct at bottom together with air hose.

–  Loosen hose clip -2-. –  Remove bolt -4-. –  Unplug electrical connector -arrow- and move wiring clear.   Note Disregard items marked -1 and 3-. –  Remove noise insulation → Rep. Gr.66. Cabriolet –  Remove noise insulation frame → Rep. Gr.50. All models:

–  Remove air pipe -item 1 and 2-.

–  Remove bolt -1- and take out air pipe downwards.   Note Disregard items marked -2, 3, 4 and arrow-.

–  Place drip tray for workshop hoist -VAS 6208- beneath engine. –  Disconnect coolant hoses from continued coolant circulation pump -V51--arrows-.   Note Disregard items marked -1 and 2-.

–  Disconnect vacuum line -1- going to activated charcoal filter (press release tab).   Note Disregard item -2-. –  Detach vacuum line from coolant pipes (front).

–  Pull activated charcoal filter with hoses attached upwards out of the bracket -arrow- and place to side.

–  Unscrew bolts -1 and 2- and disconnect coolant pipes (front) from coolant hoses -arrows-. Installing l  Tightening torques → Chapter „Coolant pipes - exploded view“ Installation is carried out in the reverse order; note the following:   Note t  Renew gaskets and seals. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. –  Install air pipes/hoses with plug-in connectors → Chapter. –  Fill up with coolant → Anchor.