Replacing Valve Cover Gasket - Hyundai Forums : Hyundai Forum
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#1 Old 12-10-2007, 01:14 AM
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Trinimd
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Has anyone replaced their valve cover gasket. It should be an easy task with just a few bolts. Its a rubber gasket do I need to put any type of sealant? or should the screws hold it air tight in place?
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#2 Old 12-10-2007, 02:07 PM
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there is no need to put sealant on rubber gaskets....the rubber will seal itself



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#3 Old 01-05-2008, 06:48 PM
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JBimmolate
Just a tip, tighten the bolts snug in sequence then go back around after a few minutes ant tighten them completely. My buddy was changing his an tightened them down too fas and the valve cover cracked. Just some friendly advice.

Miles
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#4 Old 01-05-2008, 08:00 PM
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Trinimd
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Well I already cracked my cover and had to replace it. Even bought another valve cover gasket and it still leaks. I finally decided to put the selant and when I went to tighten one more bolt the bolt snapped. The sealant is working in the other areas.


Any ides how to get the bolt out now?
The head has snapped off no idea how to get it out
please help!
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#5 Old 01-05-2008, 10:39 PM
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JBimmolate
Small left hand drill bit & an EZ out? I know they are small bolts but should not be in too tight since it snapped w/out being bottomed out. Most bolts will back out using the left hand drill bit since as it digs in it unscrews th broken bolt.

Miles
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#6 Old 01-05-2008, 11:42 PM
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scythe
What you should really do before you do any work on your car is make sure you have a hard copy of specs on hand with you so that you don't do this again...

Pretty sure that those little bolts are only meant to be about 10-20ft.lbs...





Cheers
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#7 Old 01-14-2008, 02:02 PM
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Trinimd
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Yea i bought the valve cover bolts for 30 cents a piece (dealer) and the bit for 2 dollars (lowes). I was told that you do have to put sealant only at the corners of the humps. So I will give it a try this weekend. Wish me luck I have been battling this gasket issue for almost a year and half.
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#8 Old 04-25-2008, 03:04 PM
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I recently attempted to change my valve cover gasket, I removed the (approx) 9 bolts around the cover and even the 2 bolts on the passenger side holding the timing belt cover onto the valve cover. I couldn't manage to get the valve cover off. It seemed to be stuck on the passenger side by the timing belt, but I couldn't see any other bolts to be removed that might help.

Can you please give me an idea of what I'm missing or what to do to get the valve cover off?

Thanks,
Jessie

ps - love the site!
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#9 Old 04-27-2008, 08:07 PM
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accent0002
if you took out all the bolts the only thing that might be holding it down would be the hoses connected to the back of it or just sealed tight..try taking flathead screwdriver and prying it up...well push down not up
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#10 Old 04-29-2008, 03:18 AM
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Many times a valve cover will leak because the cover flange along one edge is slightly deformed (bent or warped). You can check it by laying a straight edge along the flange when you have the valve cover off. Also check the head surface where the valve cover gasket lies...sometimes this surface is not machined too well at the factory (common on many brands of car, but more common on cars with iron heads). You can usually clean up any small imperfections on the head's valve cover gasket surface with a fine-cut metal file, or even sandpaper.

If the valve cover flange is warped too badly it might not hold the gasket flush against the head surface, and thus keep it from leaking some oil. In a case like this, gasket sealer may not fix the problem...the only remedy may be a new valve cover.

It is best to use a small torque wrench to tighten valve cover bolts then you replace the gasket, so that you minimize the risk of deforming the valve cover flange.
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