2002 Mitsubishi Lancer Logo
Anonymous Posted on Sep 22, 2011

Timing belt broke whats the chances of the valves being ok ,,rolled cam around it has same resistace it fells like

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  • Posted on Sep 22, 2011
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Since it is an "interference" engine, when the timing belt breaks it is possible for the pistons to contact any open valves and either crack/break the piston or bend the valve stem. The only way to rule these things out is to remove the head or use a "bore scope" and look in the cylinders through the spark plug holes. You could install a new belt and then do a compression test, but if it fails then you will have to take it all apart again. Rolling the cam isn't really a good test as any number of valves could be tweaked just enough not to sit flat in the valve seat and leak compression.

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  • Posted on Sep 22, 2011
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2.0 4 cylinder? Regardless most Mitsubishis including the 2.0L are Interference motors so there is a good chance that a piston made contact with a valve.
Put a belt on, make sure its timed proper and hope for the best.

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  • Posted on Feb 16, 2013
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I would recommend installing the belt. Stopping at that point and take a compression test if cyls. are 100 or more finish installing the belt if not all you have to do before taking the head off is remove the belt.

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