Sigma V6-2972cc 3.0L SOHC (1989)
(7) Badly worn teeth
Initial stage:
Canvas is worn (fluffy canvas fibers are visible, rubber is gone and color has changed to white. Canvas texture is not clear.)
Last stage:
Canvas is worn out and rubber exposed and its width is reduced.
(8) Missing tooth
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Timing belt tensioner
When rotating the pulley, it does not rotate smoothly. If backlash or irregular noise is observed, replace the timing belt tensioner.