Audi Workshop Service and Repair Manuals

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

t  Puller -T40039-

Removing –  Pull off engine cover panels -arrows-.

–  Remove bolts -arrows-. –  Unplug electrical connector at coolant shortage indicator switch -F66- and move expansion tank to one side with coolant hoses -1, 2, 3- attached.

–  Remove bolts -arrows- on cylinder head (left-side) and unplug electrical connectors at ignition coils. –  Unplug electrical connectors -1- on Hall sender 2 -G163- and -4- on Hall sender 4 -G301-. –  Remove bolt -5- for earth connection.   Note Disregard -item 2-. –  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 (left-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 (left-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 (left-side) → Fig..