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Does my fuel filter really need changing now?

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Old Oct 15, 2019 | 08:37 AM
  #1  
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Does my fuel filter really need changing now?

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.
 
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Old Oct 15, 2019 | 08:45 AM
  #2  
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No reason to cheap out on a filter, they are important. Dealers and business have to charge quite a lot to cover overhead. Buy a Motorcraft filter and DIY. The only caveat is if there's any scan tool jiggery-pokery involved or something like that. I doubt it ... but..Typically involves only pulling the fuel pump relay to relieve line pressure, R&R the filter, and check for leaks after re-start.
 
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Old Oct 15, 2019 | 09:15 AM
  #3  
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Per your needs every 30k is the manuals suggestion. I have 22+k and have not had a change as of yet. Have drained separator twice tho.
 
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Old Oct 15, 2019 | 09:33 AM
  #4  
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Total DIY - watch the videos to decide if it's for you.
 
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Old Oct 15, 2019 | 09:55 AM
  #5  
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Easy job, except on the early '17 where they didn't install a check valve in the fuel line. Don't even need to pull the fuel pump relay, just open the drain on the bottom of the lower pump to drain the filter/water seperator.
 
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Old Oct 15, 2019 | 10:00 AM
  #6  
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Originally Posted by wb6anp
Easy job, except on the early '17 where they didn't install a check valve in the fuel line. Don't even need to pull the fuel pump relay, just open the drain on the bottom of the lower pump to drain the filter/water seperator.
Yep I have an early '17 and am not looking forward to the job.
 
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Old Oct 15, 2019 | 10:08 AM
  #7  
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Your supposed to be able to reach up above the separator and disconnect a fuel line, easily done on a short bed, I can't even feel the line on my tank on an LB.
 
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Old Oct 15, 2019 | 10:22 AM
  #8  
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Saw this in my filter change about 12k miles. Not sure what it is. Should have kept it. The interval is far enough apart, it doesn't cost that much to do in the scheme of things. It's a big deal if you have to get the injectors redone.





Parts are less that $100 at local auto store. Less if you order online. $92 and $68 respectively I think. Or give me $225 and I'll do it for you. I like making over $100 for 15 minutes or less of work.
 
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Old Oct 15, 2019 | 12:21 PM
  #9  
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Really depends on your fuel quality. I changed mine at 21k and it still looked new, but I'm fairly particular about where I'll fuel up. If your not as confident in your stations, sooner is probably better.

It was an easy job though, and I have on of those dreaded early 17's... though maybe I got lucky as mine only drained about a gallon before stopping.
 
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Old Oct 15, 2019 | 01:51 PM
  #10  
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Just did mine for the first time at 52000 km and it looked brand new.... There was absolutely nothing at the bottom of the canister too.
 
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Old Oct 15, 2019 | 02:34 PM
  #11  
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My 2 cents. I have a 2019 F-350 6.7 short bed. According to the recommended maintenance schedule, if you drive under normal duty conditions, then you should change it at 22,500 miles (or indicated by the instrument cluster message center). If you drive under severe duty conditions (engine doesn’t have time to heat up all the way, short trips...etc) then you should change it at 6 months/600 hours. It takes 2 filters (one in the engine bay and one under the the truck (drivers side ish). You can buy both filters in a set on Amazon for between $50-$60. They are motorcraft OEM filters exactly what the dealership uses. As people have mentioned before, watch 2-3 youtube videos and do it yourself. Super easy and less than 30 minutes.

I believe the part number is Motorcraft FD-4625
 
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Old Oct 15, 2019 | 03:28 PM
  #12  
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Old Oct 15, 2019 | 04:13 PM
  #13  
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Fuel filters are cheap, fuel systems and injectors are not.

It's called the cost of ownership diesel vehicle. Personally I find it humorous somebody says Diesel and cheap.
 
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Old Oct 15, 2019 | 07:30 PM
  #14  
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Just ordered mine from dieselfilters for somewhere around $60 I think. Quick job. I change every 10k with my air filter. Overkill.......maybe.
 
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Old Oct 15, 2019 | 08:08 PM
  #15  
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That's where I bought mine and it was OEM, priced right, and here in 2 days.
 
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