How do I change fuel filter in 94 pre-powerstroke 7.3 - Ford Powerstroke Diesel Forum
7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

 
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post #1 of 3 Old 03-26-2008, 05:23 PM Thread Starter
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How do I change fuel filter in 94 pre-powerstroke 7.3

Hi Folks

New here on the forum and also new to my diesel (which I am in love with)!!
Maybe you could help a gal out who wants to learn, is new to diesels, and is a little mechanically inclined. I do try to do all my own repairs and maintenance.
How do I change the fuel filter? I kinda need step by step on this one. I have searched everywhere and all i come up with is twist off and then twist new one on. What? Do I need to drain the filter first? With motor running or not? Fill with fuel before re-installing? Which brand do you recommend etc. Any help will be greatly appreciated. Thanks!


94 F-350 dually 4x2 XLT
(did I mention I love this truck!)

Last edited by woodrous; 03-27-2008 at 07:45 AM.
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post #2 of 3 Old 03-29-2008, 09:02 AM
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Well I am not a diesel mechanic, not even a backyarder but I was able to stumble through changing my fuel filter on my 90 7.3. My fuel filter had a small *****et on the bottom of the water seperator that I used to drain out some of the fuel. The water seperator, located on the bottom of the filter element has a wire you remove and then seperator screws off. The filter itself also screws off just like an oil filter. Fill the new filter with fuel and screw it back on then replace the seperator & wire. Crank the motor & check the bleed at the top of the filter housing after to bleed out any trapped air. Don't forget to install the new rubber gasket in the top of the filter.

I'm certain there are many more qualified wrenches here then me, but thats how I did mine. Enjoy the new truck & welcome to the site.

69
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post #3 of 3 Old 04-21-2008, 01:55 PM
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alrght i own a 94 and recently changed mine
you have to disconnect the lines running to your filter, screw off but make sure you have the gray water keeper that is connected at the bottom. grab the new filter, pour fuel in, screw the water catcher back on reconnect the lines and your done. Just make sure its tight because with those engines it vibrates loose. any more questions im available
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