Timing 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°)