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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > can I epoxy an cracked VC?



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      05-31-2015, 09:57 PM   #1
Rich-
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can I epoxy an cracked VC?

temporarily?

I plan on ordering a new one, but just to get me by for a while?

today did all 6 new injectors and calve cover gasket,
I cleaned up the VC and got it all together, (it went amazingly well, cant believe the dealer want 1K to do just the valve cover job) I looked the VC over and all looked good, got it all put back together and fired it up and noticed a little oil from a crack I didn't see when I was looking it over as I was looking in other areas I guess.. this is right behind the oil fill cap

think I can get by with some epoxy for a few weeks until I get a chance to have a day to tear into it again?
product recommendations ?
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      05-31-2015, 10:02 PM   #2
JDuke335i
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Yea I think you could . Just make sure you check on it everyday to make sure it hasn't started back leaking .
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      05-31-2015, 10:08 PM   #3
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If anything would work it would be JB weld high heat....I think it would work well if properly cleaned and prepped surface.....I remember years ago I had a crack that I sealed with regular JB weld that held for years and also filled a hole in the crank cover on my old Gs 750 e motor bike.
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      05-31-2015, 10:55 PM   #4
Rich-
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yeah, I had a coworker that used an epoxy on his cracked radiator, and it was still good after 5 years. ill swing by the store and see what I can find
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      06-01-2015, 07:33 AM   #5
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Make sure to use a good 2 part epoxy and give it the needed time to cure. Should be strong enough to hold up for a while.
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      06-01-2015, 08:08 AM   #6
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There is a new one for sale in the classifieds
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      06-01-2015, 12:30 PM   #7
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Quote:
Originally Posted by Needbmwpartzz View Post
If anything would work it would be JB weld high heat....I think it would work well if properly cleaned and prepped surface.....I remember years ago I had a crack that I sealed with regular JB weld that held for years and also filled a hole in the crank cover on my old Gs 750 e motor bike.
+1 - whatever you use needs high heat-tolerance and oil resistance. Make sure you give it ample time to cure before taking the car out again.
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      06-01-2015, 12:38 PM   #8
KeepRidingDirty
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If it's a short term solution then yes, just remember temporary.
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      06-01-2015, 01:53 PM   #9
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Quote:
Originally Posted by KeepRidingDirty View Post
If it's a short term solution then yes, just remember temporary.
YES it is just for a short term, I plan on replacing it, but just don't see time anytime in the next few weeks to tear into it.

thanks guys.
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      06-01-2015, 01:55 PM   #10
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Quote:
Originally Posted by matthewo View Post
There is a new one for sale in the classifieds
ill look into that.
I haven't seen it yet.
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      06-01-2015, 02:05 PM   #11
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If you absolutely have to, to get you by, I'd use (as others recommended) JB Weld high heat. I used JB Weld on the brass vacuum fitting I installed in place of the POS flimsy one where the BOV/DV connects to the manifold and its rock solid.

Bought the JB from Lowes.
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      06-01-2015, 06:42 PM   #12
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I picked up some JB weld from autozone says its up to 550*
I plan on scuffing up the area good, and letting it cure for a day or 2 before driving.
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      06-01-2015, 07:16 PM   #13
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Quote:
Originally Posted by Rich- View Post
I picked up some JB weld from autozone says its up to 550*
I plan on scuffing up the area good, and letting it cure for a day or 2 before driving.
Hope it works, just don't let it drag on too long before getting that VC replaced.
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      06-01-2015, 07:23 PM   #14
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It will hold up for sure. My E36 had a 10 time worse crack on mine. The previous owner used some ghetto epoxy and leaked oil. I found it cleaned it up and JB Welded it. I sanded it after and surprisingly almost same color as my VC.

Trust me JB Works wonders!
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