audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing toothed belt > < Toothed belt drive with friction-damped tensioning roller
Toothed belt drive - exploded view
   
Toothed belt drive - exploded view
1 - Bolt
q   Renew
q   10 Nm +90° (1/4 turn further)
2 - Vibration damper
q   With pulley for poly V-belt
q   Can only be installed in one position
3 - Toothed belt cover (bottom)
4 - Bolt
q   Install using locking fluid; for locking fluid refer to → Parts catalogue
q   10 Nm
5 - Toothed belt cover (centre)
6 - Toothed belt cover (top)
q   Engage carefully in centre toothed belt cover when installing
7 - Toothed belt
q   Check for wear
q   Before removing, mark direction of rotation with chalk or felt-tipped pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage
q   Removing → Chapter
q   Installing (adjusting valve timing) → Anchor
8 - Nut
q   20 Nm + 45° (1/8 turn further)
9 - Tensioning roller
10 - Bolt
q   25 Nm
11 - Camshaft sprocket
q   Mark installation position
12 - Bolt
q   Use counterhold tool -T10051- when loosening and tightening → Chapter „Removing and installing toothed belt“
q   100 Nm
13 - Hub
q   With sender wheel for Hall sender -G40-
q   To remove, use puller -T10052- → Chapter „Removing and installing toothed belt“
14 - Bolt
q   Install using locking fluid; for locking fluid refer to → Parts catalogue
q   10 Nm
15 - Toothed belt cover (rear)
q   To remove, take out coolant pump
q   When installing, engage carefully in sealing flange at pulley end.
16 - Rubber grommet
q   Renew if damaged
17 - Bolt
q   25 Nm
18 - O-ring
q   Renew
19 - Coolant pump
q   Removing and installing → Chapter
20 - Bolt
q   15 Nm
21 - Idler roller
22 - Crankshaft sprocket
q   Contact surface between sprocket and crankshaft must be free of oil
q   Can only be installed in one position
23 - Bolt
q   Renew
q   Do not lubricate with oil
q   Use counterhold tool -3415- when loosening and tightening → Chapter „Removing and installing toothed belt“
q   120 Nm +90° (1/4 turn further)
24 - Nut
q   20 Nm
25 - Bolt
q   Install using locking fluid; for locking fluid refer to → Parts catalogue
q   10 Nm

   

Removing and installing toothed belt > < Toothed belt drive with friction-damped tensioning roller