Semi-automatic toothed belt tensioning roller, checking

WARNING: This page is about a different variant/trim than selected.

Engine codes AEG, AVH, AZG, BEV

Special tools and equipment

Fig 1: Identifying Special Tool T10020 Two Hole Pin Wrench

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Engine code BBW

Fig 2: Identifying T10004 Two Hole Pin Wrench

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Fig 3: Locating Angled Retainer & Cut-Out On Cylinder Head

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Requirements

Work sequence

Engine codes AEG, AVH, AZG, BEV

Fig 4: Releasing Tension On Toothed Belt Until Notch And Indicator Align (Engine codes AEG, AVH, AZG, BEV)

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Engine code BBW

Fig 5: Releasing Tension On Toothed Belt Until Notch And Indicator Align (Engine code BBW)

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Continued for all engines

Release thumb pressure on toothed belt and turn crankshaft two turns in engine direction of rotation until engine is again at TDC No.1 cylinder. It is essential that last 45 ° (1/8 turn) is performed without stopping.

Tensioning roller must return to its original position. (Notch -1- and indicator -2- are again aligned).

NOTE: Use a mirror when checking.