engine issues.
Thread Starter
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New User
Joined: May 2008
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engine issues.
my 83 4.9l seems to be smoking from the valve cover gasket, i put a new one in but it still doing it, i think i know what it is, i just forgot what its called. do i need to rebuild my top end? please help. new ford owner lol.
Moderator
Joined: Jan 2001
Posts: 56,999
Likes: 2,747
From: Virginia
The only thing I can think of that you are talking about is oil mist coming out of one of the breathers or hoses on top of the cover. You need to check the PCV valve and make sure it has suction when the engine is idling.
Thread Starter
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New User
Joined: May 2008
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no its not that. Im thinking my head gasket is blown. im not sure what it is though. im not familiar with these engines although there easy to work on. i will start it tom. and see what happens i dont want to mess it up anymore though.
Elder User
Joined: Jun 2004
Posts: 883
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From: La Crosse, Kansas
If you head gasket were blown you'd be getting coolant in the cylinders. The oil coming from your valve covers is either the valve cover gasket or the PCV valve is clogged and it building up pressure and leaking from your hoses
Post Fiend
Joined: Jul 2004
Posts: 8,786
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From: Northern California
The Head gasket can b low in any of these combnations...
A: Water to oil.
B: Cylinder to Cylinder
C: Water to Cylinder
D: Oil To Cylinder
It can even cause a oil or water leak to the outside of the engine, with no other symptoms.
Not saying that is his problem mind...
However the question I have is, where is this smoke coming from. From the PCV Valve hole in the valve cover?
From the Valve cover gasket?
From between the head and the engine?
This hasn't been made clear to me. Need to know exactly where the smoke is coming from.
