Can you help, My timing belt seems to have slipped a tooth, whilst driving there was smoke and clutch burning smell comming from cam belt cover, engine now runs rough, is there a nylon bush that wears causing this prob? and how do i go about replacing it, i presume the drive belt will also need changing. Are the timing marks easy to find?, thanks, Mikenem
You could be in for a world of hurt. The V6 is an interference engine - if the cam timing is lost, the valves can hit the pistons. IF (big if) you only jumped one tooth, the heads may be alright. Best case, you need a belt, tensioner kit, and about $300 US worth of special tools to set the cam timing. Worst case - bent/broken valves and damaged pistons. I would leave this job to the pro's.
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If your engine still runs but does so poorly nothing is interfereing. At least not yet. Fix the timing belt now.
Mike,
It sounds to me like it was actually the serpentine belt that you are having problems with, not the timing belt. If the timing belt slipped enough to cause smoke and a burning smell, you'd have lnown it instantly by the loud bang from the engine compartment and the engine dying immediately.
Forgot to mention there was a squeeling noise before any problems went away then problem accured. ive pulled back timing cover to look at belt mot fully taken off yet as dont want to take off drive belt. Timing belt has just started fraying on one side, if i press on the belt the top pully wheel slightly moves, is this a tension wheel? or has something worn.
The tensioner pulley is on the left side. It has an eccentric cam assembly to allow give and take on the belt. The pulley in the top center between the two heads is supposed to be stationary, as is the one on the right side.
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