oil leaks
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oil leaks
I have a 1979 Bronco with a 351m and its blowing oil out the dipstick tube. I have replaced the pvc valve. I was blowing the valve cover gaskets out until I rienfoced them. Please help wife is getting upset with oil stains on new concrete. May force me to sell.
Postmaster
Joined: Jun 2001
Posts: 2,809
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From: Loveland, CO.
Sounds like some plugged oil pasages or an extreme case of blow-by. An engine flush MAY help if it is the former; or may ruin he engine for good.
You are probably looking at a rebuild.
I would, however, check the oil filter first (in other words replace it). It may be clogged.
You are probably looking at a rebuild.
I would, however, check the oil filter first (in other words replace it). It may be clogged.
Postmaster
Joined: Jun 2001
Posts: 2,809
Likes: 3
From: Loveland, CO.
Good oil pressure cold but not warm is NOT normal. It usually means worn rod bearngs. But what do you mean by low when warm? How many psi?
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Postmaster
Joined: Jun 2001
Posts: 2,809
Likes: 3
From: Loveland, CO.
As far as the vacuum gauge, I don't know, you suspected a vacuum leak? So see how much vacuum you have. I don't think that is the problem though, unless your PCV valve is stuck. That might cause your type of problem. Take the PCV valve out and shake it, you should hear the valve inside rattle around. You don't need a gauge for this test.
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