Timing Belt: Adjustments

Adjusting Camshaft Belt Tension With Mechanical Belt Tensioner

Note: The belt must only be checked and adjusted when the engine is cold (room temperature).

8 Valve Engine:

16 Valve Engine:

1. Turn crankshaft slowly clockwise until TDC marking (cylinder 1) on the camshaft drive wheel is level with the marking on the rear belt cover.

Note: While turning, check belt for wear and damage.

Crankshaft TDC Mark:

2. The TDC marking on the flywheel must also be in line.

Adjusting





3. Undo nut A and screw B.

4. Check mobility of the tensioning roller lever with thumb pressure on the toothed side of the drive belt between camshaft pulley and deflection roller (water pump).

5. Tighten nut A and screw B. It is no longer necessary to measure the belt tension.

Tightening torque 20 Nm.

Do not turn the crankshaft while nut A and screw B are undone.





Note: The belt tensioner can be released using Special Tool 9200.

Do not adjust the spring tension. The belt tensioner must be removed from the upper crankcase section complete when fitting and removing the belt.





Note: Idle-pulley width of the belt tensioner