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Drive chain for oil pump and balance shaft - exploded view > < Drive chain for valve gear - exploded view

A4 Cabriolet Mk2

Removing and installing drive chain for valve gear
Removing and installing drive chain for valve gear
Special tools and workshop equipment required
t  Drill bit, Ø 3.3 mm
Removing
l  Gearbox removed.
–  Remove dual-mass flywheel (vehicles with manual gearbox) → Chapter.
–  Remove flywheel (on a vehicle with multitronic gearbox → Chapter).
–  Remove drive plate (vehicles with automatic gearbox) → Chapter.
–  Remove timing chain covers → Chapter.
–  Remove camshaft timing chains → Chapter.
–  Remove chain for oil pump and balance shaft → Chapter.
   
–  Wrap insulating tape around tip and shaft of 3.3 mm Ø drill bit to avoid cuts.
–  Press guide rail of chain tensioner for drive chain in direction of -arrow- and lock chain tensioner by inserting 3.3 mm Ø drill bit -item 4-.
–  Mark running direction of chain with paint.
–  Remove bolts -2- and -3- and detach chain sprockets together with drive chain and guide rail -1-.
  A13-0608
Installing
Installation is carried out in the reverse order; note the following:
l  Crankshaft -1- locked in TDC position with locking pin -3242-.
  A13-10046
–  First install sprocket for camshaft timing chain (left-side) -2-.
–  Install guide rail -1- with drive chain fitted.
–  Now install sprocket for camshaft timing chain (right-side) -3-.
–  Push guide rail of chain tensioner for drive chain in direction of -arrow- and pull drill bit -4- out of chain tensioner.
–  Install chain for oil pump and balance shaft → Chapter
–  Install camshaft timing chains → Chapter.
–  Install timing chain covers → Anchor.
–  Install dual-mass flywheel (vehicles with manual gearbox) → Chapter.
–  Install flywheel (on a vehicle with multitronic gearbox → Chapter).
–  Install drive plate (vehicles with automatic gearbox) → Chapter.
–  Fill up with engine oil and check oil level → Booklet803 or → Booklet805.
Tightening torques
  A13-0608
ComponentNm
Drive chain sprocket (left-side) to bearing bracket5 + 90° 1)2)
Drive chain sprocket (right-side) to cylinder block45
l  1) Renew bolts.
l  2) 90° = one quarter turn.

   

Drive chain for oil pump and balance shaft - exploded view > < Drive chain for valve gear - exploded view