Audi Workshop Service and Repair Manuals

Removing and installing cylinder head cover

Removing –  Remove engine cover panel -arrows-.

–  Unplug electrical connector -2- on exhaust gas pressure sensor 1 -G450-.   Note Disregard -item 1-.

–  Unfasten clips -arrows- and press toothed belt cover (top) to right side.

–  Remove injectors → Rep. gr.23. –  Disconnect vacuum hose -1- from cylinder head cover. –  Move electrical wiring and remaining vacuum hoses clear -arrows-.

–  Press release tabs and disconnect crankcase breather hose -1- from cylinder head cover.   Note Ignore items marked -2- and -arrows-.

–  Remove bolts -arrows- and detach high-pressure reservoir from cylinder head cover.

–  Slacken cylinder head cover bolts in the sequence -7 ... 1-. –  Remove bolts and take off cylinder head cover. Installing Installation is carried out in the reverse order; note the following:   Note Renew gasket for cylinder head cover and bolts for cylinder head cover if damaged or leaking. –  Tighten cylinder head cover bolts → Fig..

–  Make sure that cylinder head cover is clipped properly to toothed belt cover.   Note For illustration purposes, the installation position is shown with the camshaft sprocket removed. –  Use screwdriver to press clips -arrows- on toothed belt cover onto cylinder head cover until they engage with a click. –  Make sure there is a clearance between hub and toothed belt cover. –  Install high-pressure reservoir and injectors → Rep. gr.23.