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Oil Leak-Where it doesn't

 
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Old 05 Mar 2013, 06:51 pm
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Default Oil Leak-Where it doesn't

I've been trying to fix an oil leak in my 2003 GT Turbo 5 Speed. I was told possibly the oil filter adapter, front main seal etc. as the leak in on the right rear side of the engine. I changed the oil filter adapter seal and the valve cover gasket. I looked at the timing belts and there is no oil on them so the mail seal shouldn't be the leak. The axle shaft is OK and the PVC Valve is OK. At this point the only thing I can think of is the oil line from the block to the turbo. It looks like I will have to remove everything on the back of the engine to get to it-turbo, exhaust manifold etc. Anyone have any hints or shortcuts?
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Old 05 Mar 2013, 08:17 pm
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Default Re: Oil Leak-Where it doesn't

Well during the belt change I discovered that with the motor mounts disconnected and the exhaust disconnected. The motor roles forward some giving access to the backside of the engine. Not sure you want that much work.
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Old 08 Mar 2013, 12:42 pm
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Default Re: Oil Leak-Where it doesn't

I have taken a lot of the "stuff" on the engine off and I can't find the leak yet. There is oil under the inner timing cover. Leads me to think that oil is leaking from a cam seal and sliding down and out the back side without getting to where it can get on the timing belt. So my focus for now is, unfortunately, pulling the timing belt, timing and valve covers, and cams? to see if this is the source of the leak.
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Old 08 Mar 2013, 12:52 pm
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Default Re: Oil Leak-Where it doesn't

Yep, mine had a slight leak there too, not found until the timing belt was changed.
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Old 08 Mar 2013, 08:36 pm
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Default Re: Oil Leak-Cam Bearing Cap-No Gasket?

I just pulled the valve cover and right (front) bearing cap. I notice there is no gasket between the cap and the head. Isn't a seal required to keep the oil from seeping through?
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Old 08 Mar 2013, 09:31 pm
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Default Re: Oil Leak-Where it doesn't

There is no gasket. There is a silicone seal applied to the outer edge so as not to block the oil feed grooves for the cam seals. When installation of the valve cover is done. Silicone should be applied to the corners of the cap and head meeting. This will prevent oil from leaking from this tight corner.
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__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

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Old 08 Mar 2013, 11:34 pm
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Default Re: Oil Leak-Where it doesn't

Any chance you could tell (or show) me exactly how to apply the sealant?
Ike
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Old 09 Mar 2013, 02:13 am
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Default Re: Oil Leak-Where it doesn't

Quote:
Originally Posted by Ikster View Post
Any chance you could tell (or show) me exactly how to apply the sealant?
Ike
Haynes manual showed me as well as the old sealant that I cleaned off. Maybe CREWZIN has one of his handy pics he can post on this. But the object was thicker on the outside edge (belt side) tapered off towards the internal side. 1/4" or less wide. From seal opening to outer bearing cap on each end and between each cam from seal to seal.
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03 Dream stock___________________________ 04 Touring turbo lite stock_________ 02 Touring stock_____________________ The "Three Amigos"
__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

This Is my project page.
http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
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Old 09 Mar 2013, 12:47 pm
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Default Re: Oil Leak-Where it doesn't

use anaerobic sealer, it takes a tiny bead. I use 518 loctite.

only use silicone where cap, head and valve cover gasket meet (you'll see factory stuff there). I NEVER use silicone, though- Mine doesn't leak.

Application is just outer edges.

On our old Omni turbo, found it was easier to remove head and exhaust manifold as one assembly- If you have it apart this far it's really not that much harder.
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Old 09 Mar 2013, 01:38 pm
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Default Re: Oil Leak-Where it doesn't

Not sure I would pull a head for a oil leak. If it's not the problem. That's just me.
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03 Dream stock___________________________ 04 Touring turbo lite stock_________ 02 Touring stock_____________________ The "Three Amigos"
__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

This Is my project page.
http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
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