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Old 12-10-2009, 08:02 PM
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Oil pressure bipass?

Greetings,
I have a '95 powerstroke with 276,000 miles. Several times recently I've had the seal on the oil filter blowout and I get a serious oil leak. Does this engine have an oil pressure bipass valve that might be sticking occasionally? On my old `75 304 V8 Jeep Renegade, the bipass valve was built into the oil filter manifold.

I thought the problem might be a clogged or collapsed filter. I put a new Fram filter on today and I'm still getting some leakage.

Any thoughts on what may be causing this problem? Thanks for any input.

AWM
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Old 12-10-2009, 08:07 PM
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Your problem is FRAM, They are made of a weak paper element that doesnt hold up to diesel pressures. Use a napa brand, fleetguard, motorcraft or other high quality filter. The leakage is from where the filter screws on correct? Check the rubber gasket at top of filter. When the weak filter is broke you can have that paper circulate through the system maybe there is a clog causing built up pressure. Oil pressure around there should be 40-60psi if i'm correct but dont take my word.
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Old 12-10-2009, 08:14 PM
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roperdude; yes, the leak is coming from the rubber seal on the filter. I acquired several cases of Hastings filters and have used them for the last ten years with no problems. I was traveling in Colorado a while back and bought this Fram POS as a backup. Maybe I'll change the filter tomorrow to Hastings again and see what happens.
Thanks
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Old 12-10-2009, 09:21 PM
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Ya i mean worst case, is you loose 15 for a filter. But fram is almost always the one that gets blown out.
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Old 12-10-2009, 10:50 PM
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MOTORCRAFT FILTERS!!!!!!!!!!! other brands...fram stp, etc are famous for leaking at the gasket...or even blowing right off the truck...i have seen it personally. Any tech here will tell you use MC filters!!
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