Audi Workshop Service and Repair Manuals

Removing and installing cylinder head cover Special tools and workshop equipment required

t  Puller -T40039-

Removing –  Release quick fasteners -arrows- and remove engine cover panel.

–  If fitted, detach cover -1- on right of engine compartment.

–  Disengage activated charcoal filter solenoid valve 1 -N80--item 1- at air duct. –  Remove bolts -arrows-. –  Remove air duct -2-.

–  Remove crankcase breather pipe -2-. –  Remove crankcase breather hose from cylinder head cover. –  Detach pipe -1- on combination valve for secondary air from cylinder head cover and heat shield -3-. –  Pivot secondary air pipe slightly to the side.

–  Disconnect earth cable -2-. –  Unplug the electrical connectors -3- and move wiring clear. –  Pull out ignition coils -1-.   Note

Use puller -T40039- to remove ignition coils.

–  Loosen two retaining clips for toothed belt cover (top section). –  Unscrew nuts -arrows- and remove cylinder head cover. Installing Installation is carried out in the reverse order; note the following:   Note t  Renew gaskets and seals. t  Renew cylinder head cover gaskets if damaged. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.

–  Apply small quantity of sealant to transitions -arrows- at top sealing surface of cylinder head; sealant → Parts catalogue.

–  Apply small quantity of sealant to transitions -arrows- at top sealing surface of cylinder head; sealant → Parts catalogue.

–  First tighten inner cylinder head cover nuts, then tighten outer nuts in diagonal sequence. –  Install top section of toothed belt cover (make sure it engages securely on centre section of toothed belt cover). Tightening torques

Component	Nm
Cylinder head cover to cylinder head	10
Crankcase breather pipe to cylinder head cover	10
Secondary air pipe to cylinder head cover	10
Hose clips (9 mm wide)	3
Hose clips (13 mm wide)	5.5