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Old 04-09-2014, 12:24 PM   #1
loveNWlife
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Default Another Valve Cover Gasket Thread And Possible Cam Seal Issue

Okay, I have done lots of searching and reading on valve cover gasket replacements and possible cam seal leaks. I just haven't found exactly what I am looking for.

So I've had leaky VC gaskets for a while now and decided to change them, half moons, and bolt grommets. The smell in the car and out was getting old. I changed them out with hondabond on the correct areas and torqued down the bolts in the proper sequence and torque. I only let the hondabond cure a few hours and started her up. It was still leaking after a drive and the smell didn't change much after a few weeks. So....I did them again, this time using hondabond around the entire gasket and made sure I didn't roll the gasket on the cam caps. I let it sit for 24 hours and started it up. No Leaks!!! I was stoked.

But after 3 days the smell slightly came back and I can tell there have been a few drips on the uppipe. As well as see a little on the driver side. It doesn't smell nearly as bad or strong as before and I don't smell it at every stop like before. I really do not want to do this a 3rd time.

I also noticed oil residue on my lower driver side timing cover and the foam gasket is super moist. I haven't looked at the passenger side...Now my main question is can a cam seal leak look like a VC gasket leak if it slowly makes its way across the bottom of the VC?

I just want to get these little leaks taken care of . Car just clicked 160k.

Thanks in advance guys.
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Old 04-09-2014, 11:10 PM   #2
Rymaster
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I had this same issue, replaced one side, went to a shop a month later and they told me it was leaking, so lame.

Are you making sure the gasket isn't getting hung up at all while sliding the cover down onto it's resting spot? Can be pretty tricky to get the angle just right sometimes. I thought myself about putting the sealer around the entire gasket but I never tried doing that. IMO I don't see what it would hurt.

Check the sealer container but I'm pretty sure 24 hours is the recommended cure time.
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Old 04-09-2014, 11:19 PM   #3
PassinThrough
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Where did you get the gaskets from? If they aren't from subaru you can sometimes get a bad gasket. Thats what I learned when I did mine a few months ago, took the passenger side on/off about 15 times before I finally gave up and called the shop.
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Old 04-10-2014, 01:45 AM   #4
Shiftace420
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Yes op the cam seal can leak enough to run down the bottom of the valve cover.

The valve cover will leak pretty much anytime. A cam seal will only leak when its running.

If you want to clean it up really well you can start it and watch the front cover area from under the car. It should show up pretty fast if it is the cam seal. The valve cover will leak slower since its gravity and does not have pressure while running.

Also a UV dye leak detector works well for this. Put the dye in, put on glasses and watch for color with a blacklight after starting it. Really just helps you see it better and you can do it without the dye kit but its usually hard to see the oil right away as it leaks.

BTW if you leaking oil into your timing cover from a cam seal you NEED to replace your timing belt no matter the mileage on it. The oil degrades the belt and you increase your chance of premature breakage. Replace the belt when you do the cam and crank seals.
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Old 04-10-2014, 01:36 PM   #5
loveNWlife
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Thanks guys.

I made sure not to get hung up on the cam caps. I'm pretty sure I didn't. I will clean it all up as it sits over night to see if it leaks while not running or just while running. If it's the VC still I will for sure go subaru next time. For the price I paid for two sets of rock autos I could have just got the subaru ones.

I also might take the timing cover off this weekend to check and see how much oil is in the cover and see if the timing belt is covered.

I bought the car bone stock, no issues. As soon as I went stage 2, boom, oil leaks. Haha.
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Old 04-16-2014, 08:57 PM   #6
04sedantyson
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just did this last week on my 04. did you apply the fujibond to the correct areas according to pics on the internet? google "Subaru valve cover sealant pics" I ordered a tube of it off ebay for $36 and used just a little bit of it during install. cleaned oil off my up/down pipe with brake cleaner. leak free for a week now.
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Old 04-16-2014, 08:58 PM   #7
04sedantyson
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Old 04-17-2014, 02:59 PM   #8
loveNWlife
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Quote:
Originally Posted by 04sedantyson View Post
Thanks for that info. My FSM has different locations for the bond...and doesn't show the tightening sequence. I found a post online that had a tightening sequence but it was different the above link.

I noticed this was for a 2.5...Probably wouldn't hurt to use the info in the link since I had issues with the information I found for the 2.0

Going to go with OEM gaskets this time. Need to do it soon, the smell is getting worse again...
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Old 04-17-2014, 04:31 PM   #9
snake32
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You guys need to get better at cleaning before installing those valve cover gaskets, i did both sides few weeks ago and reuse some 7k miles oem gaskets that i had from another build, i took my time and cleaned the edge of the head really good with some microfiber towels sprayed with brake cleaner to dissolve any oil on the heads. i did it again right before each side gasket install to double make sure the head surface was clean and without oil at all. put the little sealant on the front and the back half moons and done! no mas leak for me!

i didn't use torque wrench or anything like that, tight them bolts like if you were 5 years old also, just go from top corner front, low corner rear to top corner rear, low corner front and middle up and middle down then front center and back center bots. do it in like 5 steps so you can feel the same resistance on each bolt you're tightening. i used black permatex as sealant btw. advance auto parts.
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