A8 Sedan V8-3.7L (AEW) (1997)
Eccentric insert must still be able to turn.
- Tighten 4 mounting bolts connecting vibration damper and crankshaft sprocket.
Tightening torque: 25 Nm (18 ft lb)
To set the basic adjustment of belt tensioner:
Turn eccentric insert of tensioning roller clockwise using commercial two-hole nut turner (e.g. Matra V/159).
- Adjust position of tensioning roller until damper length -a- is within specified range.
Damper length -a-
Engine cold 136-139 mm (5.35-5.47 in)
Engine warm 126-129 mm (4.96-5.08 in)
- Tighten tensioning roller.
Tightening torque: 25 Nm (18ft lb)
- Tighten camshaft sprocket bolts. Use holder 3036.
Tightening torque: 55 Nm (41 ft lb)
- Remove camshaft locking device from each camshaft (rear of cylinder head)
- Install housing behind camshaft position sensor (arrows).
Tightening torque: 20 Nm (15 ft lb)
Camshaft position sensor plate - A- must engage in camshaft with catch
- Crank engine at least two revolutions.
- Tighten crankshaft center bolt.
Always replace
Install with locking compound AMV 00102