Audi Workshop Service and Repair Manuals

Removing and installing cylinder head cover (right-side) Special tools and workshop equipment required

t  Puller -T40039-

Removing –  Pull off engine cover panels -arrows-.

–  Remove air duct -arrow-.

–  Move fuel line -1- and line -2- (leading to activated charcoal filter) clear at air pipe. –  Disconnect vacuum hose -3- from connection on air pipe. –  Remove air pipe. To do so, release hose clip -4- and clamps -arrows-.

–  Disconnect vacuum line -1-. –  Detach air cleaner housing and, if fitted, unplug electrical connector -2- at variable intake manifold change-over valve -N335- on reverse side of air cleaner.

–  Remove bolts -arrows- on cylinder head (right-side) and unplug electrical connectors at ignition coils.

–  Unplug electrical connector -5- at Hall sender 3 -G300-.   Note Disregard items marked -2, 3 and 4-. –  Press both catches and pull both connectors -1- off camshaft control valve 1 -N205- and exhaust camshaft control valve 1 -N318-.   Note

The connecting piece -3- (only on some versions) on the electrical connectors -1- and -2- for the camshaft control valves is intended to prevent the connectors from being interchanged by mistake; it should therefore not be separated from the connectors. –  Move wiring harness clear to the side.

–  Remove ignition coils using puller -T40039-.

Rest-of-world vehicles: –  Disconnect crankcase breather hose -arrow- by pressing release tabs. –  Remove bolts in the sequence -12 ... 1- and remove cylinder head cover (right-side). USA models:   Caution Risk of violating emission legislation applying to USA models. Do NOT open hose connection -arrow-. –  Remove bolts in the sequence -12 ... 1- and move cylinder head cover (right-side) clear to one side with crankcase breather hose -arrow- still connected. Installing l  Tightening torque → Fig.. Installation is carried out in the reverse order; note the following:   Note t  Renew gasket for cylinder head cover if damaged. t  Renew bolts for cylinder head cover if seals on bolts are damaged. –  Clean sealing surfaces; they must be free of oil and grease. –  Tighten bolts for cylinder head cover (right-side) → Fig..