2015 fuel filter issue
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
2015 fuel filter issue
Hi All,
So I changed my fuel filter today and everything went as planned. I replaced it with a Ford OEM filters. I drained the filter housing under the truck by turning the yellow **** 1/4 turn. I then used a wrench and changed the filter. I put the new gasket on there and and tightened back down until it mechanically stopped. I then changed the one under the hood. I then did the bleed procedure 10 times and the truck fired right up.
Now for the reason with the post. I am getting a humming noise from the lower filter. I can find the issue. The yellow **** if fully seated closed and the housing is tightened as far as it can go. Under the hood, both lines are snug and on there properly. I can't figure out what is causing the humming.
The truck fires right up and the noise seems to go away, but
I get the humming noise each time I turn the key on. I know something isn't right. I drove the truck around the block and didn't get any codes, but I have to drive it tomorrow and I don't want to risk damage to the truck.Thoughts on things I should try?
So I changed my fuel filter today and everything went as planned. I replaced it with a Ford OEM filters. I drained the filter housing under the truck by turning the yellow **** 1/4 turn. I then used a wrench and changed the filter. I put the new gasket on there and and tightened back down until it mechanically stopped. I then changed the one under the hood. I then did the bleed procedure 10 times and the truck fired right up.
Now for the reason with the post. I am getting a humming noise from the lower filter. I can find the issue. The yellow **** if fully seated closed and the housing is tightened as far as it can go. Under the hood, both lines are snug and on there properly. I can't figure out what is causing the humming.
The truck fires right up and the noise seems to go away, but
I get the humming noise each time I turn the key on. I know something isn't right. I drove the truck around the block and didn't get any codes, but I have to drive it tomorrow and I don't want to risk damage to the truck.Thoughts on things I should try?
Lead Driver
Joined: Feb 2005
Posts: 7,975
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From: The Great State of Texas
Start by making sure your DFCM fuel filter housing is completely closed until it hits the positive stop.
https://www.youtube.com/watch?v=aLpFovgJQ2M
https://www.youtube.com/watch?v=aLpFovgJQ2M
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
Start by making sure your DFCM fuel filter housing is completely closed until it hits the positive stop.
https://www.youtube.com/watch?v=aLpFovgJQ2M
https://www.youtube.com/watch?v=aLpFovgJQ2M
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
it starts and runs fine. I just know the noise isn't normal and I don't want to damage anything.
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Senior User
Joined: Mar 2007
Posts: 373
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From: Anchorage, Alaska
From what I read, with that noise, it'll go into limp mode after a few minutes and throw low pressure codes
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Lead Driver
Joined: Dec 2013
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Since I have no idea exactly what the noise is, It's hard to say. I just know mine started up right away and made a weird noise for the first few days after my fuel filters were changed... Occasionally, I get a "whine", but it goes away. The occasional whine was there on the factory put filters too though.
IF you are that worried, pull the housing out again, check everything, look at the housing really good. If no cracks, put it back and see... Possible that the new o-ring got pinched when you put it back. It happens to the best of us. Especially if you don't lube it with fuel. That part I hate, because you get to smell like diesel fuel.
IF you are that worried, pull the housing out again, check everything, look at the housing really good. If no cracks, put it back and see... Possible that the new o-ring got pinched when you put it back. It happens to the best of us. Especially if you don't lube it with fuel. That part I hate, because you get to smell like diesel fuel.
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Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
Since I have no idea exactly what the noise is, It's hard to say. I just know mine started up right away and made a weird noise for the first few days after my fuel filters were changed... Occasionally, I get a "whine", but it goes away. The occasional whine was there on the factory put filters too though.
IF you are that worried, pull the housing out again, check everything, look at the housing really good. If no cracks, put it back and see... Possible that the new o-ring got pinched when you put it back. It happens to the best of us. Especially if you don't lube it with fuel. That part I hate, because you get to smell like diesel fuel.
IF you are that worried, pull the housing out again, check everything, look at the housing really good. If no cracks, put it back and see... Possible that the new o-ring got pinched when you put it back. It happens to the best of us. Especially if you don't lube it with fuel. That part I hate, because you get to smell like diesel fuel.
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
I checked it to make sure it was tight. I didn't check the o ring. I didn't see anything on that. Are the o rings cracking or what should I look for? The yellow valve was super tight. Clearly the dealer didn't do these when I bought the truck.
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
Ok, I just checked the o rings on the yellow drain. All three are in place correctly. When I re-purged, I'm still getting the noise. However, when I start the truck, I don't get the noise.
Am am I being over paranoid about this? No signs of cracked anything. Everything is tight. All o rings are seated. All hoses properly clipped. I hate knowing how much these fuel systems cost to get worked on cause maybe I'm over thinking on this.
Am am I being over paranoid about this? No signs of cracked anything. Everything is tight. All o rings are seated. All hoses properly clipped. I hate knowing how much these fuel systems cost to get worked on cause maybe I'm over thinking on this.
Thread Starter
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Senior User
Joined: Mar 2007
Posts: 373
Likes: 1
From: Anchorage, Alaska
I'd appreciate that. I'm in south anchorage off upper omalley. I'm going to stop and grab a couple things tomorrow at the dealership. Maybe tomorrow night? You can text me at . I appreciate it.