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Old 04-07-2015, 07:36 AM   #1
donaloconnor
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Snapped VCG bolt - Can I reuse the gasket?

Hi,

So I am still diagnosing a pretty bad oil leak. I've changed the CCV and over the weekend I changed the valve cover gasket which turned out to be a surprisingly simple job.

However when I went to tighten one of the center bolts (The one the ignition ground connects to), snap. I didn't even give it much torque so I'm assuming that it some how just got fatigued and couldn't take anymore. I used a torque wrench for the rest (10-80nm) but I fear that it's not accurate enough for such small forces.

I've ordered the stud: #11121718856 and the cap nut: #11121738608 (22 euro in Ireland, very expensive!).

I think I'll have to take off the cam cover case again because I don't think I've any socket that can fit around the stud's nut to take it off. Space is pretty tight in there.

My question is: is it possible to re use the valve cover gasket again? I've done 80 miles since with it on.

My guess is that it isn't. I really want to avoid having to hand out another 50 euro for that). I did put RTV silicon on the half moons so that might make the edges of the gasket unusable now.

Thanks in advance...

Last edited by donaloconnor; 04-07-2015 at 01:50 PM.
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Old 04-07-2015, 07:56 AM   #2
markusmarkus
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Yes, you can reuse the valve cover gasket.
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Old 04-07-2015, 08:12 AM   #3
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You'll be fine. Inspect the gasket and reuse it if it looks okay. You should not use a torque wrench at the very extreme of its range (assuming it's click style). They're not accurate at the extremes. You need a small inch pound torque wrench. Otherwise tighten them until they bottom out. No more.
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Old 04-07-2015, 08:15 AM   #4
donaloconnor
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Excellent! That's what I wanted to hear.

Quote:
You should not use a torque wrench at the very extreme of its range (assuming it's click style)
Yes it is this type of one and I agree - I just hope that I didn't over torque any of the other bolts now to the point they'll snap when I'm redoing this job.

As for the stud on the head, I will just bottom this out too I assume? No need to torque this to spec either.

Thanks.
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Old 04-07-2015, 10:08 AM   #5
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You may reuse it but if I were you, I'd strip off the silicone and reapply. It won't cost you anything but a few seconds.
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Old 04-07-2015, 10:09 AM   #6
donaloconnor
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Quote:
Originally Posted by Mango View Post
You may reuse it but if I were you, I'd strip off the silicone and reapply. It won't cost you anything but a few seconds.
Hi Mango,

Yes this is what I plan to do - should be straight forward to take it off I think. I'll update you on how I get on. Just hope the stud won't snap when I unscrew it
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Old 04-07-2015, 02:59 PM   #7
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The new VCG can be re-used. Except for a sharp blade or installation error, there is nothing about the installation process that would damage or reduce the sealing ability of a new VCG.

I agree the RTV silicone should be cleaned off then re-applied.
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Old 04-10-2015, 10:12 AM   #8
donaloconnor
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I completed the job - everything went smoothly. The VC gasket was in perfect condition and very easy to just re install.
Thanks for the tips everyone.
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