A6 Quattro Sedan V6-2.8L (AFC) (1995)
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Toothed Belt: Adjustments
Adjusting toothed belt tension
- Adjust toothed belt tension by turning tensioning roller with 8 mm hex socket wrench.
- Tighten tensioning roller center bolt with another 8 mm hex socket wrench.
- Check toothed belt tension between right camshaft sprocket and coolant pump.
- Check belt tension.
Holding toothed belt half way between camshaft sprocket and coolant pump with thumb and index finger, it must just be possible to twist toothed belt
by 90°.
Tightening torque for tensioning roller: 45 Nm (33 ft lb)
Center crankshaft bolt:
Always replace
Use only new double hex head (12-pt.) cap screw grade 9.8
Tightening torque (bolt oiled): 200 Nm (148 ft lb) plus additional 1/2 turn (180°)
