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Oil Leak 2002 4.4i
My question for anyone who may have knowledge about this sort of thing is, where is the oil coming from? Its not a lot of oil. It takes a few thousand miles or a few months to lose between 3/4 and a full quart. Its obviously a very slow leak. Could it be coming from the place where the oil sensor screws into the engine? I posted a picture that I took of the area in question. Anyone ever had a slow oil leak on their 4.4 like what I am describing? I am just glad that my engine has not been eating a lot of oil all this time as I previously suspected! Thanks in advance. Mark |
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#2
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A common problem are the valve cover gaskets which start leaking after 60k miles. The leak is usually not that obvious.
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#3
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Quote:
I have read about the valve cover gaskets leaking oil, but mine have already been changed. I had a valley pan gasket fail last year, and they had to pull both valve covers to get to it. The dealer installed new valve cover gaskets when putting it all back together. Also, I was experiencing the missing oil problem before the valley pan seal went bad, so I am doubting that the valve cover gaskets are part of the problem. I think this leak is coming from somewhere else. Anyone else ever had a slow leak that was not related to the valve cover gaskets? |
#4
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FWIW, you don't need to pull the valve cover gaskets to replace a valley pan/gasket.
is that pan at the passenger rear of the engine? |
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Quote:
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#6
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Any of the mechanics on the board have any ideas or comments about this one? So far the likely culprits seems to be 1. Valve cover gaskets 2. Oil breather line 3. Oil Seperator 4. Oil check valve. Based on the picture, can anyone rule out any of the above issues?
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#7
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Rear main Seal, I bet it's that. I had my replaced and some other plugs in the back of the engine. I had that slow leak also, until they put a dye into my engine oil, and with a special light they found where the problem was coming from. My bet is behind the engine on the upper part there is a engine plug and some other hoses. Some where there they said I had a slow leak and that my rear main seal was leaking. GD
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#8
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a valve cover leak would be easy to trace visually. with the help of some lighting look up or down the sides.
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#9
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I am also having a leak that is very similar to yours. What was your findings.
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#10
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Any resolution to this problem? I have been told I need to replace my valve cover gasket as there is a slight leak
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