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Timing chain broke does piston hit valves - Cavalier Chevrolet Cars & Trucks

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This all depends on what year make and model car or truck,

Posted on Jan 01, 2011

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Usually when the chain or timing belt broke, There is always damage to the valves and you don't wanna take the risk of not checking the valves. Good luck

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

daves944
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SOURCE: Timing Chain and Valves

I think it's an interference engine but you can check quite easily at this point if the valves are bent. Pull all the spark plugs out, turn the crank so that all the pistons are 1/2 way down their bore, get a piece of fuel line that is just the right size to thread into the plug holes or a special fitting for this purpose, and blow into each cylinder after you have turned the cams in succession so that the valves should be closed at the hole you are blowing into. If a valve is bent, you won't have any trouble blowing into the cylinder. If it's good, you won't be able to blow very well at all.

Posted on Mar 30, 2009

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SOURCE: 1994 subaru svx 6 cylinder stopped running no

Are most gasoline engines none interference?? Mr technical guy??

Posted on Apr 04, 2009

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SOURCE: 2000 chevy S10 timing chain or belt? if broken

if its a 2.2ltr its a timeing chain and the r known for failing they have a cheap plastic slide that wears out prematurely causing the chain to jump or sometimes break. ive fixed a lot of them so i dont think its an interferince fit engine if its v6 4.3ltr u hardly ever have a problem with the timeing chain. its usually the gear at the bottom of the distributer wears out

Posted on Mar 20, 2010

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1 Answer

Timing chain broke in my 1990 K 1500 with a 5.7 my question is after I put the timing chain in it it should still have fire.Even if it's out of time?


If the chain is on wrong it could cause damage on some cars. The pistons could hit the valves, for instance.
Be sure to line up the chain accurately. You could be off , but not more than about 6 degrees.
Hope this helps.

Feb 25, 2015 | 1990 Chevrolet K1500

1 Answer

I have 3.1 liter olds the timeing chain broke in2


posible no vend valve try whit new chine if dont fix then remove head

Oct 21, 2014 | Cars & Trucks

1 Answer

1999 malibu timming chain broke did valves hit piston


i do not think so gm has large clearence between valves and pistons
also how did timming chain break?i am really dumfounded who told you this?ps:need more info

Dec 20, 2013 | Cars & Trucks

1 Answer

Timing chain


bent push rods could have been caused when the chain broke and not from the chain been replaced wrong or the timing out.

if the engine was running when the chain broke the cam would have stopped leaving all the valves in the same positon as the mometum of the fly wheel continued to turn the pistons in the cylendars could hav come up and hitting the valves and bending the push rods. and or damaging the cylendar head.

recommend removing the head and have it checked for damage, as well as replacing the bent push rods, and cylendar gaskit. once the head is checked and the valves are seated well. then replace and follow instructions in the set up for the pistons and cam prior to replacing the chain and setting the timing.

I hope this was helpful.

Oct 20, 2012 | 1991 GMC C3500

1 Answer

Timing chain broke on my 96 cavalier 2.2 ohv. Replaced the chain and tensioner but now the car runs rough necause of a miss n the car. The motor had to be hoisted up in order to change the timing chain im...


If the chain broke while the engine was running, and I presume it did, it is possible that you may have damaged the valves. When the chain breaks the cam shaft stops moving and the valves stay in their last position. The pistons continue to move until the engine comes to a stop. An open valve can be hit by a piston, sometimes breaking the valve or just bending the shaft. Also you have to be sure the new chain has the cam shaft and crank shaft properly timed. As I understand that that engine does not have timing marks on the chain sprockets. To test for damaged valves, remove the spark plugs and test the compression in each cylinder by cranking the engine while holding the compression gage in the spark plug hole. All the cylinder should have the same pressure within about 15 psi. A cylinder with damaged valves will not have any compression pressure. If you are unsure about the valve timing check into how that engine is timed. I don't have that information but if is out of time it has a very major effect on the engine performance and idle. I hope this gives you a place to start looking for the cause of the mis. Good luck.

Thanks for using FixYa.

Gaker

Jun 22, 2011 | 1996 Chevrolet Cavalier

1 Answer

TIMING CHAIN BROKE ON MY 2002 2.7 LITER LXI WOULD THE VALVES BEND


The Chrysler 2.7 is an interference engine which means that the piston can go up far enough to hit the valves and bend them. The car would need to be inspected and the timing will have to be calibrated again by a dealer or mechanic after the chain is replaced.

Mar 11, 2011 | 2002 Chrysler Sebring

1 Answer

Need to know timing chain installation on 1999 Suzuki Grand Vitara


Go to Auto Zone and get a repare manual to see how it is installed. Chances are, if that timing chain broke, the crank could've kept spinning, making the pistons hit the valves then bending them. This would happen if your engine is an interfearance-motor, an interfearance-motor is were the valves are really close to the pistons, this is done so the motor gets more horse-power. The timing chain keeps the cam and the crank shaft in time with eachother so the pistons don't hit the valves. Alot of compact cars and import cars and trucks of the 90s and up have these kind of motors in them. Therefore, you may have to get a valve job done by taking the heads off and bringing them in to some kind of repair shop.

Dec 21, 2010 | 1999 Suzuki Grand Vitara

2 Answers

Timing chain broke and I was CURIOUS IF THIS IS A NORMAL MAINTENANCE ITEM THAT WASS NEGLECTED LIKE REPLACEMENT OF A TIMING BELT?


Timing chain broke on v8, 3.2 2001, will the piston hit the valves,and damage the pistons?

May 27, 2009 | 2000 Jaguar XJ

1 Answer

I put a head on a 2004 aveo after the timing belt broke and cant get no compresion iline the timing marks up by the book can i still be a 180 degrees out


Do you have a compression tester. If there is truely no compression you messed up the head big time. If you have compression then yes, you could have not truely been at TDC, but instead like you said, 180 degrees backwards. If the timing chain broke you could have bent valves. Smaller engines have an interference between the piston and valves. When the piston is up the valves must be closed or they will hit. When the chain broke this could have happened.

Mar 31, 2009 | 2004 Chevrolet Aveo

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