audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Extracting and driving in needle bearing for dual-mass flywheel > < Removing and installing sealing flange (front)

A4 Mk2

Removing and installing dual-mass flywheel - vehicles with manual gearbox
Removing and installing dual-mass flywheel - vehicles with manual gearbox
Special tools and workshop equipment required
   
t  Locking pin -T40026-
  W00-1183
Removing
l  Engine or gearbox removed.
  Caution
The engine must only be turned at the crankshaft, in the direction of normal engine rotation (clockwise).
–  Turn crankshaft at central bolt on crankshaft sprocket in direction of engine rotation to TDC mark.
l  Notch -1- should align with marking -2-.
  A13-0480
–  If fitted, unplug electrical connector at continued circulation coolant pump -V51-.
–  Unscrew plug for TDC marking from cylinder block.
–  Screw locking pin -T40026- into bore; if necessary, turn crankshaft backwards and forwards slightly to fully centralise locking pin.
–  Remove clutch pressure plate → Rep. Gr.30.
–  Mark installation position of dual-mass flywheel on crankshaft.
  Note
  A13-0452
To prevent damage to the dual-mass flywheel when removing, the bolts -B- must not be removed with an impact wrench or similar. The bolts may only be removed by hand using conventional tools.
–  Rotate the dual-mass flywheel -A- so that the bolts align with the holes -arrows-.
–  When unscrewing the bolts, make sure that the bolt heads do not come into contact with the dual-mass flywheel; the flywheel will otherwise be damaged as the bolts are screwed out.
Installing
Installation is carried out in the reverse order; note the following:
  Note
t  Renew O-ring.
t  A needle bearing is fitted in the dual-mass flywheel; knock in the needle bearing when fitting a new flywheel → Chapter.
–  Use new securing bolts.
–  Install clutch pressure plate → Rep. Gr.30.
–  Remove locking pin -T40026- and screw plug for TDC marking into cylinder block together with new O-ring.
Tightening torques
  A30-0102
ComponentNm
Dual-mass flywheel to crankshaft 
 Bolt length 22.5 mm60 + 90° 1)2)
 35.0 mm60 + 180° 1)3)
 43.0 mm60 + 180° 1)3)
Sealing plug in cylinder block25
l  1) Renew bolts.
l  2) 90° = one quarter turn.
l  3) 180° = one half turn.

   

Extracting and driving in needle bearing for dual-mass flywheel > < Removing and installing sealing flange (front)