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Old 06-24-2013, 07:22 PM   #1
rustyg23
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Default cam seal oil leak ?

I have a wrx done fun swap with 05 sti heads just got back from shop, new valves and springs. Iv put motor in with New seals oil builds up and pours out timing cover. so today I put new seal in, start car without the cover on the sides still have oil sling out like a stead mist I guess is the best way to put it. Iv check pcv valve seems good I even left dipstick and oil filler off to see if its from crank case psi but no change what else could it be ? It's the right intake cam gear what could cause this help please
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Old 06-25-2013, 10:34 AM   #2
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To the top really need help I'm woundering if its possible that I May have got bound on the oil journals or sonthing ??
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Old 06-25-2013, 12:07 PM   #3
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did you use fujibond sealant on the cam caps / avcs girdle? did you make sure not to clog the small passages for draining oil off the cam seals?

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Old 06-25-2013, 12:21 PM   #4
rustyg23
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You have a phone number I send u a pic of my cap I just pulled it off
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Old 06-25-2013, 05:59 PM   #5
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Anyone have any other ideas
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Old 06-25-2013, 08:50 PM   #6
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Did you use wrx or sti cams? Did you use the right cam seals the intakes are different sti/wrx. If you used sti cams which gears did you use and did you weld or tap and plug the oiling holes on the end of the cam to go to the avcs gear?
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Old 06-25-2013, 09:09 PM   #7
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I'm running sti cams with the avcs and I have the right seals the thin walls on the intake iv unhooked the avcs and it still leaks
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Old 06-25-2013, 10:58 PM   #8
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Old 06-26-2013, 12:25 AM   #9
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Video is private. If you have sti cams you need to plug the oil holes at the gear or use sti gears. But if you use sti gears your timing will be retarded on the intakes. Don't run it with the avcs lines unhooked though because they feed oil to the front journal of the cam.
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Old 06-26-2013, 08:20 AM   #10
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Om running the sti gears and avcs I in plugled it just to see if it was pumping to much oil but didn't seem to change it everything is sti motor and trans wise
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Old 06-26-2013, 12:19 PM   #11
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are you sure the seals are correct? while back i had a customer put exhaust seals on intake cams, then forced the avcs gear on, mushroomed the cam seal


dpen made a very good point about clogging up passages. people seem to pack the hell out of it with rtv...and those are precision mated surfaces, it takes almost no rtv to create a leak free seal

also, these are 6mm pipe plugs on front of heads for the oil gallery. if they were removed at machine shop ...

but really, pull the covers off and get a better look

Last edited by al_s14; 06-26-2013 at 12:29 PM.
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Old 06-26-2013, 01:15 PM   #12
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How are you installing the cam seals? Are you lubing them up with motor oil first and making sure you don't damage the inner lip? A little ding on install will make them leak.
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Old 06-26-2013, 02:48 PM   #13
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Yes I'm putting them in right this isn't my first motor just first time with this problem. I checked the caps it has a little etc in it but I cleaned that out and resealed it but thay hasn't changed anything so far I put a air in the cam bolt to blow it out that didn't change anything also have tryed unhooking avcs no change. No leaking oilline or anything ethier
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Old 06-26-2013, 05:53 PM   #14
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Check for any nicks or scratches on the cam gear emerge the seal rides and make sure the seal feels snug if you slide it into the cam gear off of the engine
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Old 06-26-2013, 07:41 PM   #15
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I have done all that I feel like iv got a pluged oil journal I guess I'm pulling motor back out

Last edited by rustyg23; 06-27-2013 at 12:32 AM.
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Old 06-27-2013, 07:34 PM   #16
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Quote:
Originally Posted by rustyg23 View Post
I have done all that I feel like iv got a pluged oil journal I guess I'm pulling motor back out
This is why i remove pipe plugs and blow out/brake clean out all passages on all block/head jobs. Both block and head, a must. But one plugged passage at the end of the line wouldn't cause that kind of pressure build up that it would blow past seals, oil would just bleed out the other orifices in the head, its not a completely one way street. There is something else

Still this sounds odd, get pictures. Why are you so sure its coming from the cam seal?? Did you take timing covers off and watch for spray/drip as you crank or run the engine? There is avcs line behind the timing cover too

Last edited by al_s14; 06-27-2013 at 07:42 PM.
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Old 06-28-2013, 09:20 AM   #17
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Quote:
Originally Posted by al_s14 View Post

This is why i remove pipe plugs and blow out/brake clean out all passages on all block/head jobs. Both block and head, a must. But one plugged passage at the end of the line wouldn't cause that kind of pressure build up that it would blow past seals, oil would just bleed out the other orifices in the head, its not a completely one way street. There is something else

Still this sounds odd, get pictures. Why are you so sure its coming from the cam seal?? Did you take timing covers off and watch for spray/drip as you crank or run the engine? There is avcs line behind the timing cover too
Yes I have the side covers off the just pouring out from around the back of the right intake cam. Think is it didnt do they befor I have the new valves and springs put in. So has to be trash in there somewhere right ? I might try to take vcover off and see what I can see but probly be easyer with motor out
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Old 06-28-2013, 09:21 AM   #18
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On these motors dose it push some air out of the oil fill tube I know some cars do some don't
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Old 06-28-2013, 12:06 PM   #19
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what if you remove t belt and cam gears, get the back plastic cover off, put cam and belt back on and then you should be able to see exactly if oil is coming from cam seal or surrounding area. pull everything off and take pics
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Old 06-28-2013, 03:58 PM   #20
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Quote:
Originally Posted by al_s14 View Post
what if you remove t belt and cam gears, get the back plastic cover off, put cam and belt back on and then you should be able to see exactly if oil is coming from cam seal or surrounding area. pull everything off and take pics
I think I'm.gunna try that and then pull motor I fell very sure its passing by seal how could I see any more that way tho ?

Last edited by rustyg23; 06-29-2013 at 11:45 AM.
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Old 06-29-2013, 11:47 AM   #21
rustyg23
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Well just pulled motor anyone have any ideas on where they would start looking ? I'm gunna check the valve covers to make sure its breathing good and cam/cam caps for cracks or anything
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Old 06-29-2013, 01:33 PM   #22
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bump help please
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Old 06-29-2013, 07:42 PM   #23
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You took a step backwards pulling the motor, now you can't build pressure against the seals.
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Old 06-30-2013, 12:31 PM   #24
rustyg23
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Well u tell me what's wrong or how to find some way everyone else hasn't and ill glady out it back
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Old 06-30-2013, 02:40 PM   #25
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Well we told you to host the video somewhere we could see it. Did you check the galley plugs behind the inside timing cover? Post pics of the front of the engine and of the cams/gears. Checked for cracks at the oil holes on the end of the cams? Is it definitely coming from the cam seal and not anything else getting slung up there?
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