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Drive chain for valve gear for vehicles from 03.2007 onwards - exploded view > < Drive chain for valve gear for vehicles up to 03.2007 - exploded view

A4 Cabriolet Mk2

Removing and installing drive chain for valve gear - vehicles up to 03.2007
Removing and installing drive chain for valve gear - vehicles up to 03.2007
Special tools and workshop equipment required
   
t  Locking pin -T40071-
Removing
l  Engine separated from gearbox → Chapter, engine attached to scissor-type assembly platform -VAS 6131 A- or secured to engine and gearbox support → Chapter.
l  Engine oil drained → Booklet803 or → Booklet805.
–  Remove clutch pressure plate → Rep. Gr.30.
–  Remove dual-mass flywheel → Chapter.
–  Remove cylinder head cover: left-side → Chapter, right-side → Chapter.
–  Remove timing chain covers (left and right) → Chapter.
–  Remove intake manifold → Rep. Gr.24.
–  Remove oil filter housing → Chapter.
–  Remove timing chain cover (bottom) → Chapter.
–  Remove camshaft timing chains → Chapter.
–  Remove chain for auxiliary drives → Chapter.
  W00-10238
–  Press guide rail of chain tensioner for drive chain in direction of -arrow- and lock chain tensioner by inserting locking pin -T40071-.
  Caution
If a used drive chain rotates in the opposite direction when it is refitted, this can cause breakage.
Mark running direction of drive chain with paint for re-installation. Do not attempt to mark the drive chain with a centre punch or by making a notch or similar.
–  Unscrew bolts -1- and remove guide rail.
–  Remove bolts -2- and -3- and detach chain sprockets with drive chain.
  A13-10288
Installing
  Note
Renew the bolts tightened with specified tightening angle.
Installation is carried out in the reverse order; note the following:
l  Crankshaft locked in “TDC” position with locking pin -3242-.
  A13-0611
–  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-.
–  Press guide rail of chain tensioner for drive chain in direction of -arrow- and pull locking pin -T40071- out of chain tensioner.
–  Install chain for auxiliary drives → Chapter.
–  Install camshaft timing chains → Anchor.
–  Install timing chain cover (bottom) → Chapter.
–  Install crankshaft oil seal (gearbox end) → Chapter.
–  Install oil filter housing → Chapter.
–  Install intake manifold → Rep. Gr.24.
–  Install timing chain covers (left and right) → Chapter.
–  Install cylinder head cover: left-side → Chapter, right-side → Chapter.
–  Install dual-mass flywheel → Chapter.
–  Install clutch pressure plate → Rep. Gr.30.
–  After installing engine, fill up with engine oil and check oil level → Booklet803 or → Booklet805.
Tightening torques → Chapter
  A13-10288

Drive chain for valve gear for vehicles from 03.2007 onwards - exploded view > < Drive chain for valve gear for vehicles up to 03.2007 - exploded view