I also change my fuel filters at every oil change, about 7500-8000 miles. doing so helps me out during the winter with having things "gel" even with additives and such.

I talked with the guys at XX-Fuel filter sounded like he knew a lot about reasons why there are fuel issues with pumps. I asked if the built a filter kit for the 6.7, he said they have not had enough requests to build one, but if enough people requested one they would build it. From the way I understood it the kit would be an in line set up along with the factory filters and lift pump. So nothing but better filtration and no worry over voiding warranty.

XX-Fuel Diesel Fuel Filtration Systems

So if that looks good to you guys, then lets get some requests going, and see if they build one, that could help avert disaster.

 

When I check my fuel-water separator, I let the fuel sit overnight in a glass jar and look for any sediment or water the next day. Never seen even a drop of water or anything else in it. I changed my fuel filters just recently for the first time at 15K miles.

 

I just poured a cup and a half into my wife's glass measuring cup (tell her and I'm dead) and let it sit there. I don't see anything in the fuel at all. I'll check it in a little while again, but I think I'm good.

 

Just got my truck back from the dealer for the recent recall. They changed the Fuel filters cause Im at 14k. They said every 10K the filters should be changed.

Their paper work computer is broken because the Quick Lane when they did my 10k Oil change also did the filters. Thus I only had 4K on them..

So According to my Dealer every 10K

 

I drain mine into a mason jar, hold it up to the sunlight, and if water is there you'll see it on the bottom. If you had a lot of water in there, it would be obvious right away. When I have seen it in mine, it was tiny droplets about the size of a pin head - looked like little bubbles on the bottom. I started out checking it once a month, but never saw much of anything. The last time I checked it was when I changed the filters two weeks ago and I hadn't looked at it for 6 months - only two small droplets in the bottom of the jar.

I always fill up at the same place. They are a reputable stop and get tons of diesel traffic. If I ever fill up on the road or out of town, I will drain it just to make sure I didn't get a bad batch.

 

Thanks for the replies...I still see nothing in the cup. I think I'll be more diligent and methodical in observing what I drain, but I think so far I've been ok. I better clean up the wife's measuring cup before the kids get home. They'll rat me out for sure!

 

Cheezit or vloney had mentioned 10,000 also awhile back.
Severe duty reports 15,000 on the cares and tips sheet.
Normal says to follow info center (which is only valid for those with the optional message center; basic doesn't report fuel filter changes).

I'm sticking to 15k changes for now and draining monthly (sometimes more).

 

i drain my sump once a month, and change my filters every other oil change. so thats oil every 5k, filters every 10k. For draining the sump i use a clear water bottle, prefferably pre dried out so i know if any water is present. also, i save that bottle for future use so its already "pre-flushed" with nothing other than diesel.

 

x2.
I'm taking advice of a Ford service manager I talked to about this. He suggested changing at 5,000 miles regardless of what computer says, and further suggested filter changes every other time, if I'm planning to keep the truck for 100k miles or more.

 

thats good to hear. glad to know theres actually a service writer out there saying this. wonder what his thoughts on the first oil change are

 

My dealer told me to change my oil every 3500 miles on my 6.4. I guess it doesn't hurt anything to do maint. more frequently than the manual recommends, but on the other hand the service dept is in it to make money. They also wanted to order me a new tire because of a nail in the sidewall near the tread and did not remove the nail. After I complained another tech pulled the nail out and it had not even puncturered the tire. I am going to follow the command center.

 

Mobil 1 Test Results

 

I use a pasta jar/pickle jar or anything glass that is a good size.Wash it out good and set it to dry so when it comes time to drain you don't need to look for something to drain into.I also added a little water to see what contaminated fuel looks like and it is looks like water droplets in the bottom.

 

[quote=

Follow the maintenance schedule, use the fuel additive, feed it a little low % Biodiesel and enjoy the truck...it is what I do...

Regards[/quote]

I have a question about the Biodiesel. I'm getting my new F350 6.7L at the end of this month. Just wondering how often do you guys use the B20 in your trucks and do you ever fill your tanks full of it. Also, we only have 1 B20 station I am aware of in my area was wanting to know the price difference of B20 and regular diesel? Also what if any are the effects of using the B20? Thanks

 

To be brutally honest, I only trust ANY employee at any dealership as far as I can throw them. I only work with two SA's at my dealership and each time I go in there, I have to break out the ole Maintenance schedule to show them what I need done. Never fails. There are too many vehicles out there for them to know the schedule of each one, heck, I can't even keep up with one truck. I have to review the schedule regularly. Every truck, car, van, F150, F250, F350, F450, F550, E350, E450, etc has a different schedule. I paid for the maintenance plan when I bought the truck and even the computer isn't 100% accurate on it's schedule. I had to fight to get the fuel filters changed at 10,000 mile intervals, which was nearly an act of congress as the "Severe Duty" schedule throws everyone off.

I stuck around for my last oil change to watch and chat with the tech and he told me I needed a trans flush at 35,000 miles.

Now, I know some of you are going to speak up and tell me to find a new dealer, but they do do a great job there, it's just difficult keeping up with Ford's schedules as each vehicle is different. I'm just proving my point, to not go off a dealer's word. Take the time to read your manual, watch your DVD and do YOUR homework for YOUR truck.