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leaking oil from under oil cap . .any ideas?

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Old Mar 2, 2002 | 05:35 PM
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From: Bergen County, NJ
Car: 91 Firebird GTA
leaking oil from under oil cap . .any ideas?

well, i was looking at my engine the other day and i noticed that i have a faint leak coming from my oil cap-so i figured maybe it'll go away; yesterday i got my oil changed, and its still is! what do you guys suggest, that i get a new oil cap perhaps?!?!?
any ideas????
thanks
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Old Mar 2, 2002 | 07:01 PM
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Check and make sure that there is no dirt or anything on the cap o-ring and on the valve cover if they are both clean then get a new cap if not clean them and see if it goes away:lala:
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Old Mar 2, 2002 | 08:42 PM
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From: Bergen County, NJ
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thanks, i'll try that tomorrow morning!
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Old Mar 3, 2002 | 09:11 PM
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trigger GTA's Avatar
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From: Kitchener ont
Car: 92 TA vert
Engine: LS1
also with the engine running pull out the PCV and make sure you dont have exces presure in your crank case forceing oil out
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Old Mar 4, 2002 | 12:25 AM
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Car: '89 IROC, '14 LTZ Burb, '18 H6 Outb
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I second the PCV being clogged. I had the same prob and $2 later it was fixed.
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Old Mar 4, 2002 | 12:31 PM
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From: Bergen County, NJ
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the pcv is that plug thats on the block the cap is on right?
thanks in advance!
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Old Mar 4, 2002 | 12:57 PM
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I had the same problem years ago...I replace the oil cap and problem fixed. But I agree with the PVC possible being plugged. Considering they are only about $5 a piece, you might just want to go and replace that anyway.
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Old Mar 4, 2002 | 05:05 PM
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trigger GTA's Avatar
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From: Kitchener ont
Car: 92 TA vert
Engine: LS1
pcv

the pcv on my car. you can see the oil coming out around it
Attached Thumbnails leaking oil from under oil cap . .any ideas?-pcv-copy.jpg  
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Old Mar 4, 2002 | 08:54 PM
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Yeah, that's happen to mine as well, I guess over time it does. A nice brand new set of aluminum or chrome valve covers with solve that!
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Old Mar 4, 2002 | 08:58 PM
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trigger GTA's Avatar
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From: Kitchener ont
Car: 92 TA vert
Engine: LS1
thanks but there a lot more need than that to fix it. but it looks 1000% better now
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Old Mar 4, 2002 | 09:11 PM
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From: Bergen County, NJ
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thanks trigger for that pic.-thats what i thought it was
by the way, nice looking car ya got there
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Old Mar 4, 2002 | 11:13 PM
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From: Dallas, Texas
Car: 1991 Z28
Engine: 5.3 Gen III SBC
Transmission: 4L80E NTC 258mm Stall
Axle/Gears: Trick Chassis 9" 3.50 S-Strac
Originally posted by trigger GTA
also with the engine running pull out the PCV and make sure you dont have exces presure in your crank case forceing oil out
I think thats what problem I have. I belive its blow by. when I take the oil filler cap off or pull the PCV valve smoke pours out. I have a slight oil leak from the breather on the other side. Is this blow by or is there somthing I can do to stop whats causing this?
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Old Mar 5, 2002 | 07:08 AM
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From: Kitchener ont
Car: 92 TA vert
Engine: LS1
sounds like blow by to me. thats what i had. turns out after taking the engine apart i had 3 craked pistons and a bunch of bad rings. do a comretion check and a leak down test to find out what your problem is.
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