New Beetle L4-2.0L (AVH) (2005)
Timing Belt Tensioner: Testing and Inspection
Semi-automatic toothed belt tensioning roller, checking
Installation position
The retainer - arrow - must engage in the cut-out in the cylinder head.
Condition
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Engine must be no more than warm to touch.
Work sequence
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Position engine at TDC for cylinder No. 1.
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Depress toothed belt with forceful thumb pressure. Indicator - 2 - must move.
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Relieve pressure on toothed belt and turn crankshaft two rotations in engine direction of rotation until crankshaft is set to TDC No. 1 cylinder
again. When doing this it is important that last 45° (1/8 turn) is completed without interruption.
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Tensioning roller must return to original position (notch - 1 - and indicator - 2 - align again.
Note:
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Use a mirror to check!