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S2000 Cylinder Head Damaged Help!

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S2000 Cylinder Head Damaged Help!

 
Old 08-16-2017, 12:19 PM
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Default S2000 Cylinder Head Damaged Help!

I noticed a oil leak coming from the passenger side of the cylinder head, after investigating i found damage to the cylinder head where the bottom bolt of the V-tech Solenoid goes. It looks like the previous owner has destroyed the thread. I don't think i can tap it as the damage is too extensive but was wondering if I could clean it up with a grinder, drill the hole through to the other end, and use a bolt and nut instead? Also did they weld there or is that just some type of silicone?
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Old 08-16-2017, 12:40 PM
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Looks like silicone.. And I don't see why you couldn't use a bolt and nut. Its not like the vtec solenoid moves around.
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Old 08-16-2017, 12:48 PM
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Do you know what material type of bolt I should use? Thanks so much for getting back to me. my heart nearly stopped when I looked at the price of a new head.
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Old 08-16-2017, 02:26 PM
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Almost looks like the gaskets were leaking and someone tried to repair the leak with RTV instead of replacing the gaskets. Search the forum, there are aftermarket parts available and I believe Ballade has them as well. Good luck.
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Old 08-16-2017, 05:10 PM
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If it was my car, I'd repair it with a Timesert.
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Old 08-17-2017, 04:13 AM
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Would a time insert work considering they cut out the side? Also is it clean enough to put the solenoid back on? or should I use something to clean it up more?
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Old 08-17-2017, 06:23 AM
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Not a lot of material to work with
what about metal epoxy and retap it
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Old 08-17-2017, 06:45 AM
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Will that hold? isn't the bolt and nut idea better?
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Old 08-17-2017, 08:18 AM
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unrelated but what the hell was the guy thinking who originally did this lol... I would also go with just the nut and bolt since that's the easiest and see what happens.
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Old 08-17-2017, 08:28 AM
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The nut is your best idea, guaranteed.

Use a dremel to work the backside area so the nut sits square and flat. There is more than enough metal there to achieve full clamp load on the solonoid.

Be VERY careful you do not cut into the oil feed bore for the tct, that comes down from the VTEC valve. Look inside the tct hole, find the oil port, folllow it up. You'll see what I mean.

Last edited by Billman250; 08-17-2017 at 08:32 AM.
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