Fuel filter cap
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Fuel filter cap
Replacing the fuel filter on this new to me 7.3. I get an aftermarket filter with the filter in the cap. I replace the filter, which was separated from the old cap, hand tighten, crank, and had fuel squirting out in three directions from under the cap. I pull out the cap/filter and compare to the old one. In the threads in the fuel bowl is a fuel line on the right side smack in the middle of the threads. The old cap has two openings in the threads 180* apart from each other, I'm assuming to line one up with the fuel line. I look at the new cap and there are no openings in the threads to match up to this fuel line.
So does the cap need these openings as to have an opening for this fuel line? I don't know if the gasket was message up or the fuel line was blocked by a poorly designed cap??? Early 99 if it makes a didfference.
So does the cap need these openings as to have an opening for this fuel line? I don't know if the gasket was message up or the fuel line was blocked by a poorly designed cap??? Early 99 if it makes a didfference.
Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
Replacing the fuel filter on this new to me 7.3. I get an aftermarket filter with the filter in the cap. I replace the filter, which was separated from the old cap, hand tighten, crank, and had fuel squirting out in three directions from under the cap. I pull out the cap/filter and compare to the old one. In the threads in the fuel bowl is a fuel line on the right side smack in the middle of the threads. The old cap has two openings in the threads 180* apart from each other, I'm assuming to line one up with the fuel line. I look at the new cap and there are no openings in the threads to match up to this fuel line.
So does the cap need these openings as to have an opening for this fuel line? I don't know if the gasket was message up or the fuel line was blocked by a poorly designed cap??? Early 99 if it makes a didfference.
So does the cap need these openings as to have an opening for this fuel line? I don't know if the gasket was message up or the fuel line was blocked by a poorly designed cap??? Early 99 if it makes a didfference.
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New User
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The gasket must of been squeezed out of position. For a minute I used the new filter and old cap and no leak, but then that combo did not have the screen outside of the element. I put on the new cap on and re-did and all is good now, minus the fuelly smell.
It's a bevelled gasket.
It's a bevelled gasket.
Senior User
Joined: Apr 2011
Posts: 388
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From: Long Beach,CA.
Just replaced mine 2 days ago. No problems! Make sure the O-rings are in there. tighten to 15ft lbs.
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
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From: Missouri
Follow this. Its pretty easy, takes only a few minutes. Save your seperate cap, I had to buy one when I went back to an OEM filter.
7.3L PSD - How To: Change Fuel Filter - YouTube
7.3L PSD - How To: Change Fuel Filter - YouTube
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Nov 1, 2015 09:19 AM