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When attempting to change fuel filter on 2019 F250 6.7 the the drain didn't stop draining. The usual gallon or so turned into about 5 gallons before I shut it off. Any ideas as to whats going on?
I have a 22 and changed the fuel filters the first time yesterday. I just put a bucket under the drain valve and opened it up. I ended up getting 2.25L out of it and it just stopped, so not too bad. Then I removed the filter and replaced it. I didn’t do anything else though. I didn’t change the upper filter until the lower filter was completely done and the fuel cap was left in place the whole time. If it matters any the truck had been off for a while too, so all of the temporary auxiliary powered stuff should have been stopped/completely shut down. And FWIW, I was parked on level ground and the fuel tank was over 3/4 full.
I believe there was something about the 17-19 ones that requires undoing a fuel line above the tank. My 17 did the same thing, it would drain like 5 gallons out. I figured out to get below 1/4 tank and then do it. That helped, still a messy job. My 21' only drained about a gallon or so.
just remember to cycle the key to prime the new filters. You'll hear the one on the frame filling up.
The service manual for my '17 has a step to disconnect the line above the fuel tank where it attaches to the in-tank fuel pump. It was really hard to see up there, let alone get my hand up there on the right fuel line. I did not disconnect that line. I waited until my truck was at about 20 miles to empty (still about 6 gallons in the tank). I opened the drain valve with a five gallon bucket under it. I got maybe a half gallon, at the most, drained out. After that it was fairly straightforward. Be gentle with the three connectors on the upper filter.
The bolts on the lower filter are torqued to only 7 lb/ft.
The service manual for my '17 has a step to disconnect the line above the fuel tank where it attaches to the in-tank fuel pump. It was really hard to see up there, let alone get my hand up there on the right fuel line. I did not disconnect that line. I waited until my truck was at about 20 miles to empty (still about 6 gallons in the tank). I opened the drain valve with a five gallon bucket under it. I got maybe a half gallon, at the most, drained out. After that it was fairly straightforward. Be gentle with the three connectors on the upper filter.
The bolts on the lower filter are torqued to only 7 lb/ft.
This requirement to disconnect that lines was done away with in 2018 and a check valve was installed, from what I have gathered. I have drained the separator before and only got about 3/4 of a gallon. Looks like I might be changing the filter only when fuel level is low. Thank you for the torque spec!
This requirement to disconnect that lines was done away with in 2018 and a check valve was installed, from what I have gathered. I have drained the separator before and only got about 3/4 of a gallon. Looks like I might be changing the filter only when fuel level is low. Thank you for the torque spec!
I don't know the exact model year that received the check valve, but I'm sure it was a welcome change. If it was an easy retrofit to the 2017 I might consider doing it, but so far, letting the tank get very low worked for me.
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