audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Camshaft timing chain - exploded view > < Removing and installing timing chain cover (bottom)
Renewing oil seal for vibration damper
Renewing oil seal for vibration damper
Special tools and workshop equipment required
   
t  Locking pin -T10060 A-
  W00-10235
t  Counterhold tool -T10355-
  W00-10474
t  Thrust piece -T10354-
  W00-10473
t  Thrust piece -T10368-
  W00-10550
t  Extractor tool -T20143-
  W00-2958
Removing
–  Release fasteners -1 and  2- and remove centre noise insulation.
  A10-10761
–  Release fasteners -1, 2, 3- and remove noise insulation (right-side).
  A10-1566
Vehicles with auxiliary heater:
–  Slacken clip -1- and remove bolt -2-.
–  Detach exhaust silencer for auxiliary heater.
  A10-10778
All vehicles:
–  Remove bolts -arrows-.
–  Remove air pipe (lift clips -items 1 and 2-).
  Caution
If a used belt runs in the opposite direction when it is refitted, this can cause breakage.
Before removing, mark direction of rotation of poly V-belt with chalk or felt-tipped pen for re-installation.
  A21-10162
–  To slacken poly V-belt turn tensioner in direction of -arrow-.
–  Lock tensioner with locking pin -T10060 A-
–  Remove poly V-belt from pulley on vibration damper.
  Caution
Risk of damage to engine.
To avoid disturbing valve timing, do not turn crankshaft out of “TDC” position when vibration damper is removed.
  A13-10441
–  Turn vibration damper to “TDC” position -arrow- using counterhold tool -T10355-.
l  Notch on vibration damper must align with arrow marking on cover for timing chains (bottom).
–  Remove bolt for vibration damper using counterhold tool -T10355-.
  A13-10442
–  Detach vibration damper and fit thrust piece -T10368- in its place.
–  Pull out oil seal using extractor tool -T20143/2-.
Installing
l  Tightening torques → Chapter „Poly V-belt drive - exploded view“
–  Clean contact surface and sealing surface.
–  Remove thrust piece -T10368-.
  A15-10471
–  Use thrust piece -T10354- and bolt for vibration damper to pull in oil seal -arrow- onto stop.
  Note
t  Renew bolt for vibration damper.
t  Renew O-ring.
Perform further installation in reverse order, paying attention to the following:
–  Install vibration damper → Chapter.
–  Install poly V-belt → Chapter.
  A15-10449

Camshaft timing chain - exploded view > < Removing and installing timing chain cover (bottom)