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overtightened a header bolt

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Old Jun 7, 2011
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overtightened a header bolt

on a 96 ek hatch, please tell me this a quick fix, its the valve/header cover on the very top of the engine i accidentually overtightened one and i dont know how to fix this
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Old Jun 7, 2011
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Re: overtightened a header bolt

is it a header bolt or valve cover bolt? you can try those ez-out bolt extractor kits but it may need to be drilled and retapped.
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Old Jun 7, 2011
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Re: overtightened a header bolt

Originally Posted by gearbox
is it a header bolt or valve cover bolt? you can try those ez-out bolt extractor kits but it may need to be drilled and retapped.
not 100% but its the cover that had the spark plugs coming into. is this going to be expensive to fix?
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Old Jun 7, 2011
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Re: overtightened a header bolt

Its the valve cover. If you are able to use ez outs like gearbox said then its not expensive at all.

As you already may have found out valve cover bolts really dont get very tight they usually just get snug and the a pinch more.
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Old Jun 7, 2011
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Re: overtightened a header bolt

ok thanks a bunch, so all i do is ease it out by loosening and pulling on it then put it back in or do it need to get a new bolt? i did all the other ones just right i just barely over torqued this one and ive never done that before so i wasnt sure what to do. and how important is it to fix this bolt. can i drive it home tonight or do have a day or 2?
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Old Jun 7, 2011
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Re: overtightened a header bolt

ok sorry i wasnt paying attention when i wrote that last one. can someone sen dme in the direction of a cheaper one. all the ones i see are around 85$ or better yet a store that sells them, like o'reilly or autozone?

Last edited by JackedByJack; Jun 7, 2011 at 10:05 PM.
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Old Jun 7, 2011
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Re: overtightened a header bolt

its not an immediate problem since the other bolts should hold it down enough not to leak oil. but its not something you can ignore either
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Old Jun 8, 2011
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Re: overtightened a header bolt

I never do, but it is a good idea to use a torque wrench.
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Old Jun 8, 2011
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Re: overtightened a header bolt

Best thing to do is use a easy out like said above its the cheapest thing to do. You can buy a easy out by itself and not in a set of them. Just buy a easy out that is alittle smaller than the bolt and also a drill bit. Drill a hole in the bolt then use the easy out to get the bolt out. You will have to buy another bolt probably but it will be cheap. You can go to honda and get one.

Now the valve cover bolts are not suppose to be tightened that tight. I think the valvecover bolts are suppose to be torqued down to 30 something inch pounds which is not much at all. Its easy to get the correct torque spec with out a torque wrench is using a screwdriver attachment for the socket.
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Old Jun 8, 2011
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Re: overtightened a header bolt

i think that translates to around 8 ft/lbs. ive always done more and never broke any so far. just seems so loose that i keep going lol.
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Old Jun 8, 2011
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Re: overtightened a header bolt

Originally Posted by gearbox
i think that translates to around 8 ft/lbs. ive always done more and never broke any so far. just seems so loose that i keep going lol.
Lol ya its something like that. I always tighten them alittle tighter just in case.
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