Audi Workshop Service and Repair Manuals

Removing and installing drive chain for oil pump and high-pressure pump Special tools and workshop equipment required

t  Locking pin -T40245-

Removing l  Gearbox removed. l  Crankshaft -1- locked in „TDC“ position with locking pin -3242-. –  Remove timing chain cover (bottom) → Chapter. –  Remove camshaft timing chain → Chapter. –  Remove both guide rails (top) for camshaft timing chain.

–  Lock chain sprocket for high-pressure pump in position using locking pin -T40245-.

–  Wrap insulating tape around tip and shaft of 3.3 mm Ø drill bit to avoid cuts. –  Press tensioning rail of chain tensioner in direction of -arrow- and lock chain tensioner by inserting 3.3 mm Ø drill bit -item 2-. –  Unscrew bolt -1- and remove tensioning rail.

–  Remove bolts -1, 2, 3- and take off chain tensioner for drive chain for oil pump and high-pressure pump. –  Detach drive chain for oil pump and high-pressure pump.

Installing l  Tightening torques → Chapter „Drive chain for oil pump and high-pressure pump - exploded view“ l  Crankshaft -1- locked in „TDC“ position with locking pin -3242-.

l  Chain sprocket for high-pressure pump locked in position using locking pin -T40245-. Installation is carried out in the reverse order; note the following: –  Install camshaft timing chain → Chapter. –  Install timing chain cover (bottom) → Chapter.