Audi Workshop Service and Repair Manuals

Removing and installing balance shaft timing chain Removing –  Remove timing chain cover (top) → Chapter. –  Remove timing chain cover (bottom) → Chapter. –  Remove camshaft timing chain → Chapter.

–  Remove guide rail for camshaft timing chain -1-. –  Remove chain tensioner for camshaft timing chain -3-.

–  Remove chain tensioner for balance shaft timing chain -1-. –  Remove tensioning rail -2-. –  Remove guide rail -3-. –  Remove guide rail -4-. –  Remove timing chain. Installing l  Tightening torque → Chapter „Balance shaft timing chain - exploded view“

–  Turn idler gear/balance shaft to markings -arrows-.   Note The timing chain links with coloured markings must be positioned at the markings on the chain sprockets.

–  Fit timing chain; the timing chain links with coloured markings must be positioned at the markings on the chain sprockets.

–  Fit guide rail for timing chain and tighten bolts -4-. –  Fit guide rail for timing chain and tighten bolts -3-. –  Fit tensioning rail for timing chain and tighten bolt -2-. –  Apply locking fluid and fit chain tensioner for timing chain -1-; for locking fluid refer to → Electronic parts catalogue.

–  Check adjustment again.

–  Check markings on idler gear/balance shaft -arrow-.   Note For illustration purposes, the markings on the idler gear/balance shaft are shown with the chain removed. Further assembly is basically carried out in reverse order of dismantling. Note the following: –  Install camshaft timing chain → Chapter. –  Install timing chain cover (bottom) → Chapter. –  Install timing chain cover (top) → Chapter. –  Install poly V-belt tensioner → Chapter. –  Install poly V-belt → Chapter.