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Cambelt lost a tooth

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cambelt tooth
1K views 5 replies 5 participants last post by  Mjet 
#1 ·
Hi
Just had the engine die on my 156. Starter making a 'not engaging' sound. Feared the worst - cambelt broken, but breadown guy said it's lost a tooth from the belt. Will this be terminal or is it possible a new belt might be ok?
 
#3 ·
Would just one tooth make the belt skip? I would think it's lost a section otherwise it would still be pulled round ...

And as for other damage ... you are probably looking at bent valves even on the starter motor ...
 
#5 ·
it would make the cam slip round 1 tooth when it tries to engage where the missing one is and will slip past to the next one - maybe as much as 10 to 20o of arc difference. Cant be good but probably threw the cam out enough to cause compression leak due to valves being slightly open when they should be shut.

You may be lucky and not have piston to valve contact :D
 
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