Audi Workshop Service and Repair Manuals

• ● Engine in vehicle
• ● Lock carrier must be in service position .

Notes:

• ◆ Secure all hose connections with the correct hose clips (same as original equipment)

=> Parts catalogue

• ◆ All cable ties which are opened or cut open when removing must be replaced in the same position when installing.

• ‒ Obtain radio code on vehicles with coded radio.
• ‒ With ignition switched off disconnect battery earth strap.
• ‒ Draining cooling system=> Page 19-4
• ‒ Unscrew securing bolts for front exhaust pipe / exhaust manifold accessible from below .
• ‒ Remove intake manifold => Page 15-10.

• ‒ → Unplug connectors -2- and -3- at air mass meter and ACF valve, move wiring clear and place it on engine.
• ‒ Pull ACF valve -1- off air cleaner housing.
• ‒ Remove air cleaner housing -arrow-.

• ‒ → Disengage connector -arrow- for lambda probe from retainers, unplug connector and move wiring clear.

• ‒ → Pull coolant hose -2- (going to heat exchanger) off coolant connection.
• ‒ Unplug connector -1- on coolant temperature sender -G2/-G62.
• ‒ Unscrew bolts accessible from above securing front exhaust pipe to exhaust manifold.
• ‒ Push exhaust system towards the rear so that studs on exhaust manifold are free.
• ‒ Unplug spark plug connectors and move clear to one side.
• ‒ Remove upper toothed belt guard.

• ‒ → Set crankshaft to mark for TDC of No. 1 cylinder -arrows- by turning central bolt on crankshaft sprocket in direction of rotation .....

• ‒ → .... mark on camshaft sprocket should then align with mark on toothed belt guard. If not, turn crankshaft one turn further.

• ‒ → Loosen toothed belt tensioner with Torx wrench T45 -lower arrow-.
• ‒ Press toothed belt tensioner downwards.
• ‒ Take toothed belt off camshaft sprocket.
• ‒ Unscrew Torx bolt and pivot tensioner plate forwards.
• ‒ Remove M8 bolt for rear toothed belt guard.

• ‒ Remove cylinder head cover .

• ‒ → Loosen cylinder head bolts in the sequence indicated: 1 ... 10.
• ‒ Remove cylinder head and cylinder head gasket.