Volkswagen Workshop Service and Repair Manuals

Test conditions

• ● Toothed belt installed and tensioned

Test sequence

• ‒ Turn crankshaft two turns in engine direction of rotation, until it is on TDC cylinder 1.

• ‒ → Note the position of the tensioning roller indicator -arrow-. Press the toothed belt with firm thumb pressure. The indicator must move.
• ‒ Release tension on toothed belt.
• ‒ Turn crankshaft two turns in engine direction of rotation.
• ‒ Then check the position of the indicator. It must have return to its original position.

If tensioning roller does not return to initial position:

• ‒ Replace tensioning roller.