Audi Workshop Service and Repair Manuals

Removing cylinder head Special tools and workshop equipment required

t  Lifting tackle -3033-

t  Workshop hoist -VAS 6100- Procedure l  Engine in vehicle.   Note t  All cable ties which are released or cut open when removing must be refitted in the same position when installing. t  Heat insulation sleeves that have been removed are to be reinstalled in the original position. t  If engine oil is contaminated, perform oil change → Booklet808. –  Drain off coolant → Chapter. –  Remove intake manifold → Rep. Gr.24.

–  Detach coolant hoses going to to heat exchanger at bulkhead -arrows-.

Rest-of-world vehicles: –  Disconnect vacuum line -1- from activated charcoal filter and move line clear. –  Detach coolant hoses -2- and -4-.   Note Disregard -item 3-.

USA vehicles: –  Disconnect following hose connections: 1 -  Coolant hose to expansion tank 2 -  Vacuum hose to activated charcoal filter 3 -  Vacuum hose to tank leak diagnostic pump 4 -  Fuel supply pipe 5 -  Coolant hose to expansion tank

All vehicles (continued): –  Detach coolant hoses at the connections indicated -arrows-.   Note t  Disregard -item 1-. t  Illustration shows vehicle with direct shift gearbox. –  Remove hose bracket with coolant hoses and vacuum hoses. –  Remove timing chain from camshafts → Chapter.   Note To avoid damage, the flexible joints in the front exhaust pipe must not be bent more than 30°.

–  Unbolt front exhaust pipe from exhaust manifolds -arrows-.

–  Loosen and remove the cylinder head bolts in the sequence indicated.

–  Attach the lifting tackle -3033- as follows: l  Pulley end: position -3-. l  Timing chain end: Item -10-.   Note The positions marked 1 ... 12 on the lifting tackle -3033- face towards timing chain end. –  Carefully lift off cylinder head. –  Place a clean cloth in the cylinders to prevent dirt from getting between the cylinder wall and piston.