5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

oil leak after I shut off car?

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Old 04-05-2007, 07:59 PM
  #1  
dantheman345
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Default oil leak after I shut off car?

just installed new top end. Check signature for parts list.

while the car is running it doesn't seem to be leaking oil ( maybe its burning off on the headers?) but when I shut the car off smoke starts rolling out of my hood. After about 10 minutes of the car being off there is not to much oil under the car (about 15-25 drops) I am thinking its leaking from the valve covers because when I installed them the first time I did it wrong and was leaking horrible. I then took the valve covers off and did it right. I might of damaged the gasket?? I am using a cork gasket should i change to rubber?

(the 15-25 drops is happining after I did the valve cover gasket correct)

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Old 04-05-2007, 08:01 PM
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mattdel
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Default RE: oil leak after I shut off car?

never use cork. they crack if you overtighten. this is probably what has happened. the heat and/or pressure from the motor expands the cork a bit, possibly closing the crack enough to seal, but after you shutdown, it begins to cool and shrink, and leak.
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Old 04-05-2007, 08:12 PM
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92hatchLX
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Default RE: oil leak after I shut off car?

I had this same problem with my rear valley gasket, it was horrible. I'd bet that's what it is. Did you use the cork or rubber seals on the valley gaskets?
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Old 04-05-2007, 08:24 PM
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dantheman345
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Default RE: oil leak after I shut off car?

I used cork on the valley gaskets but I did put some gasket goo on them.



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Old 04-05-2007, 08:25 PM
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mattdel
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Default RE: oil leak after I shut off car?

redo it all with rubber.
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Old 04-05-2007, 09:01 PM
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dantheman345
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Default RE: oil leak after I shut off car?

just bought the valley gaskets and the valve cover gaskets (rubber) another project Thanks!
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Old 04-05-2007, 09:12 PM
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AdderMk2
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Default RE: oil leak after I shut off car?

like said before.... never ever ever ever ever ever.... I cant fit enough evers.......


Never use cork gaskets.... they SUCK!!
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Old 04-05-2007, 09:21 PM
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chrizzle17
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Default RE: oil leak after I shut off car?

glad your problem is solved....beautiful car by the way
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