Does my fuel filter really need changing now?
Tuned
Joined: Aug 2017
Posts: 299
Likes: 31
From: SW Utah
Just changed both of my fuel filters at only 15k miles. Purchased them on amazon for around $52. Cheap insurance against injection pump and fuel system failure. Luckily, I have a late 17 job 2 truck and it has the anti siphon valve installed.
Fleet Mechanic
Joined: Feb 2018
Posts: 1,592
Likes: 204
My manual says 30k miles so that's what I do. It's not being cheap to follow the manual. I'm not sure where all the other recommendations are coming from. Failing to change the filter does not result in trash making it into your injectors. Changing filters too much adds risk because each time a line is broken, there is a potential for foreign matter introduction. If you fail to change the filter, you'll get the same error as gelled fuel--low fuel pressure. I hope this helps.
Hotshot
Joined: Oct 2015
Posts: 19,698
Likes: 12,822
From: Wyoming
The instructions you provided seem clear. I thought I had seen a recommendation to "lubricate" the gasket in the lower filter housing with diesel fuel before installation. I don't see that in these instructions. Is that a valid step or not?
Mountain Pass
Joined: Oct 2018
Posts: 199
Likes: 5
It takes me about a 3 - 4 weeks to get to 1/4 tank. I guess I will have to plan accordingly when its time to change them on my early '17 build.
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Junior User
Joined: Jul 2017
Posts: 71
Likes: 1
From: Turlock, CA
More Turbo
Joined: Jun 2017
Posts: 602
Likes: 2
My manual says 30k miles so that's what I do. It's not being cheap to follow the manual. I'm not sure where all the other recommendations are coming from. Failing to change the filter does not result in trash making it into your injectors. Changing filters too much adds risk because each time a line is broken, there is a potential for foreign matter introduction. If you fail to change the filter, you'll get the same error as gelled fuel--low fuel pressure. I hope this helps.
Senior User
Joined: Dec 2018
Posts: 135
Likes: 2
My manual says 30k miles so that's what I do. It's not being cheap to follow the manual. I'm not sure where all the other recommendations are coming from. Failing to change the filter does not result in trash making it into your injectors. Changing filters too much adds risk because each time a line is broken, there is a potential for foreign matter introduction. If you fail to change the filter, you'll get the same error as gelled fuel--low fuel pressure. I hope this helps.
5th Wheeling
Joined: Jan 2008
Posts: 29
Likes: 4
From: Maine
Early 2017 Fuel Filter change
Many thanks to those that have posted suggestions on dealing with the challenges associated with early 2017 fuel filter changes. Enjoyed success on my 2017 extended cab, 6 3/4' bed, with 29 gallon tank AND skid plates, by waiting until tank was below 1/4 full. I don't think I got more than a pint and 1/2 to drain before it stopped. HOWEVER when I went to remove the filter I found I could not access one of the bolts without removing a metal guard that protects the drain valve. A bit of a PIA with two screws, one of which was difficult to access. Once the metal guard was removed the filter change was very easy and to my great pleasure both fuel and filter were very clean (I frequently drain about six ounces to check for water and dirt). Upon replacement I did the following: put some anti-seize lube on the threaded receiving end of the five filter bolts (they're open to the environment at the top and collect corrosives from road spray) and replaced the two screws holding the metal guard in place with hex head (5/32" or 8MM) #12 X 3/4" SS self tapping screws. These challenges may be unique to the cab/bed configuration I have. I too use dieselfiltersonline because I get EXCELLENT service and fair prices.
Senior User
Joined: Oct 2019
Posts: 233
Likes: 2
I have a 2018 F350 6.7 with 16k average miles in 16 months. No towing— mostly a 50/50 mix of in town on on interstates. Been using the PM2 cetane boost from Motorcraft.. So is this urgent or could I safely go another 5-6k?
My local dealer says it’s a $225 job. Is that about right?
Does anyone know the part # and where I could buy it cheaper?
I have been getting my OEM oil filters from Amazon cheaper.
My local dealer says it’s a $225 job. Is that about right?
Does anyone know the part # and where I could buy it cheaper?
I have been getting my OEM oil filters from Amazon cheaper.
Fleet Mechanic
Joined: Nov 2019
Posts: 1,250
Likes: 192
From: Livingston Tx
I’m a maintenance stickler oil change every 6,000 regardless of what the oil life monitor says and fuel filters at the next and have never had any issue with my diesel trucks. Ford puts long interval down hoping your basically dumb enough to follow it. Just like tranny 100,000 miles before change I don’t think so.
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