Cheap fuel filter?
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Elder User
Joined: Feb 2003
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From: Whately, Ma
Cheap fuel filter?
I had diesel in my engine valley, so I replaced the fuel filter (needed it anyway), and that fixed the problem for about a month. Then it started leaking again. I unscrewed the filter can and cleaned it up, and it was fine for a few days. Now its leaking again. Before I start throwing parts at my truck, could I just have a cheap filter? (Purolator). I hope its not the fuel pump.
'95 F250 btw
'95 F250 btw
Playing in the Dirt
Joined: Oct 2005
Posts: 2,302
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From: Southwest Georgia
You could have a filter that had a cheap/bad O-ring. I have seen some filters with the bevel cut the wrong way or square and they would not seal the lid.
The following is from the Dieselmann's page: http://www.intellidog.com/dieselmann/powers~1.htm
Some aftermarket filters have a square-cut o-ring seal instead of the lip type of the original [IMAGE]. I recommend using the Ford Motorcraft filters FD4595 for the 94-98 and FD4596 for the 98.5-2K or their Racor equivalents: IN F4595 and IN F4596. The WIX 33518/NAPA Gold 3518 used to be identical to these, but reciently they changed design (without changing part numbers) to a square cut lid seal and a weak grommet-like lower seal which tends to split. The fuel filter also has a pin in the top which opens a valve inside the filter housing standpipe. Some aftermarket filters have a shorter pin than necessary which results in the valve not opening completely and this can cause lack of power concerns.
The following is from the Dieselmann's page: http://www.intellidog.com/dieselmann/powers~1.htm
Some aftermarket filters have a square-cut o-ring seal instead of the lip type of the original [IMAGE]. I recommend using the Ford Motorcraft filters FD4595 for the 94-98 and FD4596 for the 98.5-2K or their Racor equivalents: IN F4595 and IN F4596. The WIX 33518/NAPA Gold 3518 used to be identical to these, but reciently they changed design (without changing part numbers) to a square cut lid seal and a weak grommet-like lower seal which tends to split. The fuel filter also has a pin in the top which opens a valve inside the filter housing standpipe. Some aftermarket filters have a shorter pin than necessary which results in the valve not opening completely and this can cause lack of power concerns.
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Doop Oliver
1973 - 1979 F-100 & Larger F-Series Trucks
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Dec 5, 1999 08:39 AM
