audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking valve timing > < Toothed belt drive
Toothed belt drive - exploded view
   
Toothed belt drive - exploded view
1 - Bolt
q   Renew
q   12 Nm
2 - Cover (bottom) for toothed belt
3 - Bolt
q   Tightening torque → Item
4 - Cover (rear) for toothed belt
5 - Bolt
q   10 Nm
6 - Bolt
q   50 Nm
7 - Idler roller
q   For main drive toothed belt
8 - Cover (top) for toothed belt
9 - Main drive toothed belt
q   Check for wear
q   Do not kink
q   Before removing, mark direction of rotation with chalk or felt-tipped pen
q   Removing and installing → Chapter
10 - Bolt
q   Tightening torque → Item
11 - Inlet camshaft sprocket
q   Removing and installing → Chapter
12 - Coupling drive toothed belt
q   Check for wear
q   Do not kink
q   Before removing, mark direction of rotation with chalk or felt-tipped pen
q   Removing and installing → Chapter
13 - Tensioning roller
q   For coupling drive toothed belt
q   Checking → Chapter
14 - Exhaust camshaft sprocket
q   Removing and installing → Chapter
15 - Bolt
q   Tightening torque → Item
16 - Bolt
q   20 Nm
17 - Coolant pump
q   Removing and installing → Chapter
18 - Idler roller
q   For main drive toothed belt
19 - Bolt
q   50 Nm
20 - Crankshaft sprocket
q   Contact surface between sprocket and crankshaft must be free of oil
q   Can only be installed in one position
q   Detach after removing main drive toothed belt → Chapter
21 - Tensioning roller
q   For main drive toothed belt
q   Checking → Chapter
22 - Bolt
q   20 Nm

   

Checking valve timing > < Toothed belt drive