Question about 2005 Dodge Ram 1500

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A valve spring broke and one of the pistons hit it. no major motor damage, what am i looking at in cost of repair?

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If the valve spring broke what caused it to break? i wouldnt just replace one spring i would have them all replaced. if they took the plug out and bore scoped it and you dont have any damage you got real lucky. im just going to estimate a minimum of $500 and be lucky if you dont have to replace that valve then your probably looking at double because the head will have to come off to replace it.

Posted on May 05, 2010


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My timing belt broke on my 2003 hundred Santa fe . I need to figure out if the valves or Pistons were damaged.

every cylinder do a compression test

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heads off to repair and check piston damage

if original motor is beyond repair
you can fit a used motor in from a wrecker

when timing belt breaks
it is the type of engine.. that pistons will hit valves
bend them or damage valve guides in the heads



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How do i do valve timing from scretch after timing belt broke on a volvo t5,2.3l s60

If the belt broke while the motor was running, the motor is likely badly damaged since, I believe, the five cylinder Volvo engines are "interference engines". The crankshaft and pistons keep moving while the car is in gear and still moving, but the valves stop dead the instant the timing belt breaks. The pistons would have hit some of the valves, cracking or badly damaging the cylinder head and some pistons. If the motor is not damaged internally, though, just line up the timing marks on the cam shaft sprockets and the crankshaft sprocket and put on a new belt. Go online for a diagram of how to align the timing marks.

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Your Acura is equipped with what is called an "interference" engine. What this means is that if the timing belt breaks (or jumps time) with the engine running, the pistons can hit the valves and cause internal damage to the engine.

NO, this does NOT necessarilly mean that you have to replace the engine. However, it DOES mean that the extent of the damage needs to be evaluated and recommendations should be made on an evaluation of the ENTIRE vehicle.

If I was your personal mechanic, this is how I would handle it:

I would remove the valve cover and loosen the camshaft journals to allow all the valves to close. Then I would remove the spark plugs and perform a leak test on all of the cylinders. With a leak test, I can get a pretty good idea of how much damage there is - like if it is only a single bent valve, several bent valves, a cracked piston, etc. It is also possible that there is no damage at all.

I would then make an estimate of repairs based on what I have found without performing any major tear-down of the engine.
I would also take a HARD look at the REST of the vehicle. (After all, we are talking about a 15-year-old vehicle here.)
I would then give you my best advice based not only on the cost of repairing the engine, but whether the car itself is worth the investment.
If the rest of the car is in pretty good shape, then it would probably be worth it, but if it has major defects such as collision damage, severe rusting underneath, suspension problems, dammage to plastic and rubber parts from years of oil leaks, etc.. I would probably advise against fixing the engine.

I try to look for the LONG TERM results, rather than concentrate on making a quick buck selling a major engine repair.
Having customers that TRUST me is "JOB 1".

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I have a 2003 kia spectra 2.8 and the timing belt broke would the pistons have hit the valves

No they don't . Mine broke on my 2001 sportage and didn't do any damage. This is due to the fact that the engine is called a "non-interference" motor. At no time can the valve hit a piston (in theory) because the valve travel is not enough to ever hit the piston. :) Hope this helps, James Booth

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It sounds like the timing is still off, which will not allow it to start, or you have a faulty cam, or crank sensor.

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if the timing belt has snapped, expect the cylinder head to need replacing as some of the valves will have hit the pistons (which may also need replacing but not always) and snapped, and they will almost certainly have damaged the cylinder head beyond repair.
when you add the cost of the new belt, gaskets, seals and labour charges, even if there is no damage to the pistons and barrels, it may be more economical to find a replacement engine.

sorry to be the bearer of bad news, but timing belt failure is a major problem and does major damage.

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Should I change the timing belt on my 05 aveo at 60000 miles like recommended?

Absolutely !! That motor is probably an interference motor, meaning the valves must be closed when the piston is up or they will interfere with each other and break something - or several somethings!! I have repaired cylinder heads from interference motors that had a timing belt break - it cost 3 times the rebuild cost due to the extensive damage done when the timing belt broke. It would be considerably cheaper to have the belt changed than to have the head repaired or replaced, as modern heads are thin walled - they will break before older heads would. It could also damage a piston and,as you have hypereutectic pistons balanced by weight ( must be within a couple grams of each other ) 1 piston cannot be changed - they ALL have to be changed, an expensive oops for sure!!!

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I have a 1992 pontiac lemans with roughly 84,000 miles on it. It has a 1.6 liter interference engine. A month ago when i was driving it, it died on me. I had someone look at it and they said my timing belt...

You do have valve damage, but engine would not have to be replace, worst case only bent valve would have to be replace, to do this cylinder head will have to be remove to repair.

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They are saying it dropped a valve - what does

Can't say if it's common as I have little experience with your engine in particular, but a dropped valve usually means a valve spring broke and the valve is colliding with the piston. This would also cause the engine to run rough as there is no spring pressure to close the valve. Piston damage is not far behind (major repair).

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Have a 2001 kia rio am told it

pull the valve cover off and look for your self, is it running?you prob need too get a second oppinion
it could be as little as just replacing the valve or a whole head too an engine or maby thats not even the problem what did the car do?

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