Tranny Draining
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Senior User
Joined: Dec 2003
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Tranny Draining
What is the best way to get as much tranny fluid out as you can with out paying someone to flush it? (Tranny and TC) I saw on another post someone said you can do it but never explained how. Any help?
Postmaster
Joined: Nov 2003
Posts: 3,595
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From: Utah County, UT
By flushing it yourself. Drain and refill the pan, remove the back cooler line, attach a hose to it, run it to a bucket. 1/2" or 5/8" clear is nice. I used an old garden hose. Have someone start the truck, the line will build pressure and you should see a bubble come out, if not only run truck about 10-15 sec. Refill pan, and repeat. You should see some color difference when all the old fluid has been pushed out. I used about 18 qts when I flushed mine. A little tip/advice, get an oil pump, it is alot easier and quicker than pouring 18 qts of tran fluid in a small funnel that drains really slow. Having done this multiple time in the past couple of weeks, I'd get a clean 3 gal bucket, make sure it is clean, fill it about 1/2 way full of new ATF, lay a towel out, sit bucket on passenger battery, and start pumping away.
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
here is what i used:
https://www.ford-trucks.com/article/...nsmission.html
went to Lowe's and found a hose that fit (almost too tight) over the cooler return line. matter of fact, it was so tight i had to heat it up some with a torch to make it pliable so it would slide over the nipple. good idea, i thought. nah, it doesn't need a hose clamp because the shrunken hose will hold it on. it's only a 5' piece of hose, it won't build pressure? wrong. i dont remember which, but on the last fill, i ran the selector through the gears and i believe when i went from N to D, a bunch of oil ran through the line, blowing my hose off and paying down a nice puddle of ATF on the floor. use a hose clamp or two.
https://www.ford-trucks.com/article/...nsmission.html
went to Lowe's and found a hose that fit (almost too tight) over the cooler return line. matter of fact, it was so tight i had to heat it up some with a torch to make it pliable so it would slide over the nipple. good idea, i thought. nah, it doesn't need a hose clamp because the shrunken hose will hold it on. it's only a 5' piece of hose, it won't build pressure? wrong. i dont remember which, but on the last fill, i ran the selector through the gears and i believe when i went from N to D, a bunch of oil ran through the line, blowing my hose off and paying down a nice puddle of ATF on the floor. use a hose clamp or two.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by strokin_it7.3
i believe when i went from N to D, a bunch of oil ran through the line, blowing my hose off and paying down a nice puddle of ATF on the floor. use a hose clamp or two.
