Question about 2002 Mitsubishi Lancer

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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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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.

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.

Posted on Sep 22, 2011

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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.

Posted on Feb 16, 2013

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2 Answers

I have a 1999 volvo s80t,I suspect that timing belt broke. Does this mean that the engine is damaged and is it a interference or non interference engine


If the time belt has broken or even slipped it is very likely the engine is damaged. The cam stops turing leaving some valves open or part open. The pistons will still be going up or down and will hit te valve. It might be the engine jams and won't turn. Either way chances are a few of the valves will be bent and need to be changed. If the pistons are ok I would suggest a breakers yard head. Agree with last poster - change the water pump. It is driven by the same belt. False economy not to.

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I have a 2004 Dodge NEON with an interference engine that the timing belt broke on. What are the chances of valve damage and about how much does that cost to fix?


The valves will be bent and you will need a head job done. The time to do the job outside head reconditioning would be around 4 hours labour and the parts will include valves, head gasket kit, timing belt, adjuster pulley, and if the job is done properly crankshaft and cam shaft seals as oil is the main cause of belt failure.

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Timing belt broke on hyundai sonata 2002 what should I do? The mechanic saya theres a ten percent chance that replacing the belt will solve the problem.


You can have your mechanic pull the valve cover. Loosen the bolts that hold the cam(s) in place and do a compression test. If one or more cylinders is low on compression the motor is junk. If the compression test is fine reinstall the cam and replace the timing belt and you should be good to go.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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3 Answers

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Ouch, I suspect this is going to be expensive. Most times if a belt breaks while driving, valves get bent or broken also. Usually head has to be reworked or replaced. Bring your wallet/ (sorry)

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Jetta 2001- timing belt broked and now im traing to get the engin on time


There is a very good chance you bent some valves when the belt broke. If it's a 1.8 turbo then definitely, 2.0 you have a small chance that it is ok. The marks are easy to see, one notch on the cam and one on the crank, the crank lines up to the line on the plastic cover that covers the t belt, the cam lines up to the plastic backing piece that is bolted down with the valve cover. Best of luck.

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Timing belts


the chances are very high that the piston hit a few valves, it all depends on how many rpm the engine was and what position the valves were when it broke.
the cheapest route would be to install a new belt then do a compression test...then take it from there
good luck

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2 Answers

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If the timing belt is broken, chances are you would hear the pistons banging into the open valves as the engine turned over (broken timing belt means cam is not turning, and some valves will be open.).

Please reply what led up to the engine not starting, from the last time that the engine ran.

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