with a trailer. You might also want to flush the brake/power-steering system.
fuel filters
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Joined: Sep 2007
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fuel filters
OK ya'll , need a little help . When I got my big truck it had no owners manual so I found one on e-bay for a 2003 F350 6.0 and 7.3 diesel so I got it . now here's the deal the manual only shows or speeks of a 6.0 . I have searched the manual over and nothing. I wanted to locate the 2 fuel filters that I was reading about and after noticing it only said 6.0 .and if I really have 7.3 ,and it is stamped on the door plate 7.3, and the title. The one on the frame under the drivers side seat doesn't look anything like the 6.0 and I see nothing on the engine that looks like pictures. Help this ole dummy out.. Oh yea I'm fixin to try the big boy out this week , I'm hooking on to the thirty ft 5th wheel travel trailer and head out to Houma La . about 600mi ,I'm in no hurry and I am kinda nervous
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Joined: Jun 2005
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From: AZ
If you have a 7.3 (which it sounds as though you do), there is only one filter that you need to change of the 7.3, it is under the plastic cover marked "Powerstroke" (there are two acorn nuts which hold it in place). Under it you will see a container (#40 below) that the top comes off of with a strap wrench. Drain the fuel bowl first before you put the new filter in and then clean the bowl of debris before you put the new filter on.
There is also a screen at the pickup foot in the fuel tank and, I believe, a screen at the input of the fuel pump. Generally, there won't be a problem with them...
I'd recommend changing the oil, if you are close to a change, before you leave.
There is also a screen at the pickup foot in the fuel tank and, I believe, a screen at the input of the fuel pump. Generally, there won't be a problem with them...
I'd recommend changing the oil, if you are close to a change, before you leave.
Last edited by nlemerise; Sep 30, 2007 at 04:36 PM.
Post Fiend
Joined: Mar 2007
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From: Texas
Originally Posted by budfans
so what is the filter on the fram rail below the drivers seat?
If your new to the 7.3 you might want to pick up a spare CPS (under $30 at Ford) just in case. It's easy to change and cheap insurance.
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Post Fiend
Joined: Mar 2007
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From: Texas
Originally Posted by budfans
so what is the the filter under my truck?? if I only have one fuel filter. 2002 -7.3 crewcab short bed 4x4 auto trans
Post Fiend
Joined: Feb 2007
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From: Dallas-Ft. Worth
Originally Posted by budfans
so what is the the filter under my truck?? if I only have one fuel filter. 2002 -7.3 crewcab short bed 4x4 auto trans
Joe
Postmaster
Joined: Sep 2006
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Originally Posted by Izzy351
Could be something a PO added. It's a common mod. That is, if it doesn't have said wires going to it. Never seen an electric fuel filter before.
Joe
Joe
its a Dhal150
it has heating element inside
Elder User
Joined: Mar 2003
Posts: 699
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From: northern Michigan
One area to watch on these trucks is the raer axle diff. cover. The factory ones have a tendency to rust through after only a few years. After markets are a thicker steel and seem to last. You can also by aftermarket, alumimun, chrome and I have heard stainless steel covers.
Okay, so I haven't heard of an electric fuel filter UNTIL NOW. 
Senior User
Joined: Sep 2007
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From: San Jose, CA
quick newbie question, when replacing the fuel filter, how do you drain the fuel bowl and how do you fill it back up again after replacing the filter?? do you then need to bleed the fuel system?