Trans Fluid change- need advice
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Trailering
Joined: Jun 2021
Posts: 23
Likes: 5
Trans Fluid change- need advice
Hi all
2021 f250 gasser 4x4
Im used to changing trans fluid on my Chevy 2500HD. I'm used to disconnecting the transfluid cooler line up by the radiator and turning on the engine and pumping out all the Old fluid until the new stuff comes through... so i get a pretty good "flush" of the old stuff out.
with that said, Is that the similar process on my 21 f250??? Ie: disconnect the lower line and run the engine until the new fluid pumps out of the line????
OR is there an easier or different way to flush all the old stuff out of the lines??
thx thx thx!!!!
2021 f250 gasser 4x4
Im used to changing trans fluid on my Chevy 2500HD. I'm used to disconnecting the transfluid cooler line up by the radiator and turning on the engine and pumping out all the Old fluid until the new stuff comes through... so i get a pretty good "flush" of the old stuff out.
with that said, Is that the similar process on my 21 f250??? Ie: disconnect the lower line and run the engine until the new fluid pumps out of the line????
OR is there an easier or different way to flush all the old stuff out of the lines??
thx thx thx!!!!
More Turbo
Joined: Feb 2011
Posts: 602
Likes: 312
Logistics Pro
Joined: Sep 2002
Posts: 4,411
Likes: 1,016
From: Central KY
You've got to change the filter or you're doing yourself no good. Drop the pan and change the filter, then refill with fresh fluid. Probably should do this every 50k miles or so if you plan to keep the truck forever.
Cargo Master
Joined: Oct 2019
Posts: 2,835
Likes: 1,191
From: Southeast MO
I just did my 2022 6.7. Definitely drop the pan and change the filter as previously stated. I replaced my pan with one from PPE not for the additional capacity but so that I would have a drain plug.
Fleet Mechanic
Joined: Mar 2006
Posts: 1,519
Likes: 134
Drop pan and filter change on a regular basis will keep you good. No need for a flush unless it goes undone a while. “Regular basis” is gonna be up to you.
Thread Starter
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Trailering
Joined: Jun 2021
Posts: 23
Likes: 5
yes i AM dropping the pan and changing the filter.... THATS NOT THE QUESTION
LOL!!!
the question is HOW TO FLUSH /DRAIN THE FLUID OUT OF THE TRANS COOLER???
LOL!!!
the question is HOW TO FLUSH /DRAIN THE FLUID OUT OF THE TRANS COOLER???
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Fleet Mechanic
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