Question about 2000 Renault 181

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Changed clio head and changed bent valves,reset the timing and the stop light won't come off so i can't start

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Posted on Jan 02, 2017

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SOURCE: timing belt broke changed it engine is missing. could it be

The easiest way to test this is to carry out a compression test. This test will determine if any valves are bent. The test is very easy to carry out. 1.obtain a compression tester. 2. remove all spark plugs. 3. screw tester into spark plug hole. 4. with your foot on the accelarator, crank engine. 5. read the tester reading and write it down. eg. cyl 1 175psi cyl.2 170psi etc. if you have a bent valve one cylinder will be very low compared to the rest.

Posted on Dec 29, 2008

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SOURCE: hi ive just had my cambelt snapp on my mitsi galant 4g63t doch an it bent a few valves wot do i have to do/cheers

If you are doing this job yourself, check your pistons. Valve interference can cause small "eyebrow" contact marks on the piston tops. If these have any sharp marks where material was "pushed" by a valve, you need to use light sandpaper toi remove them, otherwise they can glow as cylinder temperature increased while running and can give you a pre-ignition problem when the job is finished.
If only a few valves appear to be bent, you should have all of them checked...even one thousandth of an inch bend can and will cause the valve to leak and burn. Any bent valves should also have the guides checked for damage. Don't forget to replace stem seals as long as you have the head apart...most become brittle with use and need changing. If you have a good machineist, he will know what to do!
good luck with your car!!

Posted on May 24, 2009

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SOURCE: I have a 2000 vw beetle 2.0 with no compression,

you may need to go back and check that your belt was installed correctly. it could be out several degrees.

Posted on Jul 08, 2009

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SOURCE: change my timing belt valves got bent shop said was carbon

nO! dont get scammed they messed up and had the timing off and it fired your valves off at the wrong time and bent them dont take it to anyone else ...take it to the manufactures and let them know what happened and i would get in touch with the BBB.... see your timing belt turns your camshaft which turns your pistons up and down now if you timing is off your piston will go up at the wrong time and force all that combustion back at your valves which are made up of light metal and then they bend the garage you went to and let them know that it was there fault and you want it fixed ......this really makes me mad being an mechanic myself. I hope this helps you a little.

Posted on Oct 30, 2009


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SOURCE: Installing new timing belt after old one failed

I am a gm tech and I would actually recommend a new engine from wrecking yard. I have had two of these that had the head replaced and vibrated due to a slightly bent rod. If you decide to put it together, just go to your local dealer, and ask if you can borrow the special timing belt adjuster tool. The adjustor/tensioner is the water pump. I would replace it and the idler pulleys also I have had them fail as well. If they will loan you the tool, they should print a procedure for replacement out also, at least i do for my customers.

Posted on Dec 11, 2009

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sounds like the timing belt has gone would not keep trying to start engine if this is the case and it will cost you more to fix. it may have striped a cog on the belt or the adjuster has given up the goat. clicking and clunk is a most common sound of the belt going. if you have to have the belt changed and the engine runs and is ticking then the valves are bent and you will need to have the head changed or the valves replaced, as over time the valve can snap and then the engine is a gonner.

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Starts, but put it in gear, it goes dead. will idle.

1. Had mechanic check timing again. Belt off a couple degrees. Should fix problem.
2. Don't know. this is my son-in-laws car.
3. No.
4. I think valves were bent due to timing belt breaking and son-in-law trying to start car when it went dead.
5. Will do this if timing belt reset don't work.
Thanks for your reply.

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