Audi Workshop Service and Repair Manuals

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

t  Drip tray for workshop hoist -VAS 6208- for vehicles with auxiliary heater

Removing –  Drain coolant → Chapter. –  Remove front right wheel. –  Remove bolts -1, 2, 3- and detach heat shield -A- for drive shaft (right-side). –  Move heat shield -B- clear to one side.

–  Detach drive shaft (right-side) from flange shaft of gearbox → Rep. gr.40.

–  Remove engine cover panel -arrows-.

–  Remove air cleaner housing → Rep. gr.23.

Vehicles with auxiliary heater:   Caution Take care to keep components clean. Observe rules for cleanliness when working on the fuel supply system → Chapter. –  Disconnect fuel supply hose -1- and fuel return hose -2-.

–  Release hose clip -arrow-, disconnect air hose from air pipe and move to one side.

–  Remove bolt -1- and nuts -2- and -3-. –  Place drip tray for workshop hoist -VAS 6208- beneath engine. –  Detach coolant hoses -arrows- and swivel coolant pipes towards the front.   Note For illustration purposes, the installation position is shown with the engine removed.

Vehicles with plug-in connector on longitudinal member: –  Lift retaining clip -arrow- and detach coolant hose from coolant pipe (bottom right).

All vehicles (continued): –  Remove bolts -1- and -2-. –  Lift retaining clip and detach coolant hose -3- from coolant pipe (front). –  Detach coolant pipe (bottom right). Installing Installation is carried out in the reverse order; note the following: l  Tightening torque → Chapter   Note t  Hose connections and air pipes and hoses must be free of oil and grease before assembly. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. t  To ensure that the air hoses can be properly secured at their connections, spray rust remover onto the worm thread of used hose clips before installing. –  Connect coolant hose with plug-in connector to coolant pipe → Fig.. –  Install air cleaner housing and exhaust gas pressure sensor 1 -G450- → Rep. gr.23. –  Secure drive shaft (right-side) to flange shaft of gearbox → Rep. gr.40. –  Install heat shield for drive shaft → Rep. gr.39. –  Fit front wheel → Rep. gr.44. –  Fill up with coolant → Anchor.