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Old 11-27-2019, 03:18 PM   #1
jeff6666p
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Default Valve cover gasket leak

The valve cover on my 06 wrx engine was leaking before and I changed it back in august. The car has been sitting since and just started up for the first time yesterday, I'm pretty sure it's leaking still. I used fujibond to seal it where it said in all data , used oem gaskets and torqued to in the pattern in alldata. Is it normal for it to leak for abit in subarus?
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Old 11-27-2019, 03:27 PM   #2
jeff6666p
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Could the breather hose be clogged causing it to leak?
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Old 11-27-2019, 03:59 PM   #3
BlackFighter
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Could be the half moons. Did you replace them when you replaced the cover gasket?
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Old 11-27-2019, 04:45 PM   #4
jeff6666p
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Quote:
Originally Posted by BlackFighter View Post
Could be the half moons. Did you replace them when you replaced the cover gasket?
Yup replaced then and used fujibond to seal them. The leak is on the bottom of the cover. I used all new oem gaskets and new half moons since I read aftermarkets can have issues. I used fujibond since it's what's used in the dealer. I replaced the seals on other cars and never had one still leak before.

I didn't replace the breather gasket on the top that's why I'm wondering if it could be clogged causing the new gasket to leak.
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Old 11-27-2019, 06:54 PM   #5
jeff6666p
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I checked the hose's they aren't clogged. I don't understand why the gasket wont seal though.
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Old 11-27-2019, 09:29 PM   #6
Haevn
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did you clean the surfaces good? and in the valve cover
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Old 11-27-2019, 11:11 PM   #7
jeff6666p
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Originally Posted by Haevn View Post
did you clean the surfaces good? and in the valve cover
Yup. I used a plastic scraper to remove any gasket left over then put soaked brake clean on a rag and cleaned the head I used a soft tooth brush for the cover then I tried it and put the fuji bond in the spots the manual said.
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Old 12-03-2019, 12:35 AM   #8
A.S.N.F.
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One thing that most of time that is not done when repairs are made are to do the repair and then don't run the car for 12-24 hours. I use to always try to do this when I turned wrenches and love that the shop I now take my Subaru to does the same. It lets every set/cure and as a bonus is less likely to have some go into the oil. Your probably just got unlucky.
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Old 12-03-2019, 12:58 AM   #9
jeff6666p
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Quote:
Originally Posted by A.S.N.F. View Post
One thing that most of time that is not done when repairs are made are to do the repair and then don't run the car for 12-24 hours. I use to always try to do this when I turned wrenches and love that the shop I now take my Subaru to does the same. It lets every set/cure and as a bonus is less likely to have some go into the oil. Your probably just got unlucky.
I did the gaskets in August. Just started the car for the first time last monday. I do agree with the wait time. I usually wait 24 hours.
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