Torque convertor
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Tuned
Joined: Jun 2006
Posts: 338
Likes: 0
From: Boulder City, Nevada
Torque convertor
I have a 2004 Ford F250 shortbed with the 6.O. Doing an automatic transmission fluid change. Truck has 102,000 miles on it. My question is their any way to change the fluid in the torque convertor too. Cannot find any drain plug or any youtube videos on changing the fluid. Thanks ahead for any help
Fleet Owner
Joined: Nov 2003
Posts: 27,911
Likes: 3,622
The flush above is definitely better, but you can just do a series of drains and fills with some driving in between to completely mix the new fluid with the old. It is a fair cost due to all the fluids, but it is easy.
2 drains/fills changes 70% of the fluid.
3 changes about 83% of it
4 changes about 91% of it.
I have 240k miles on mine doing the drains/fills.
2 drains/fills changes 70% of the fluid.
3 changes about 83% of it
4 changes about 91% of it.
I have 240k miles on mine doing the drains/fills.
Logistics Pro
Joined: May 2004
Posts: 3,615
Likes: 878
How about taking it to a dealer where they use the hot flush machine (if you have not converted over to the '08) pan and filter?
Seems like the cost of oil cases and labor doesn't outweigh the price of convenience on this one.
But it may only hold true if it is the screen type filter.
Seems like the cost of oil cases and labor doesn't outweigh the price of convenience on this one.
But it may only hold true if it is the screen type filter.
Hotshot
Joined: Dec 2014
Posts: 17,830
Likes: 3,115
From: Jersey Shore
My old memory seems to think Mark K saying it doesn't work so well on the 5R100w, not that I'm sure it does on any.
With our MDX, I do 3 drain and fills right after each other. That is how Honda/Accura says to do it in the service manual and how they do it at dealerships. But that's 3qts at a time.
When I was taking care of my granddaughters Escape, the forums came up with a way to disconnect the trans line and do a full fill & flush, in some respects not so different than the video. I think that process is here in this forum, Escape chapter, under my old handle.
With our MDX, I do 3 drain and fills right after each other. That is how Honda/Accura says to do it in the service manual and how they do it at dealerships. But that's 3qts at a time.
When I was taking care of my granddaughters Escape, the forums came up with a way to disconnect the trans line and do a full fill & flush, in some respects not so different than the video. I think that process is here in this forum, Escape chapter, under my old handle.
Fleet Owner
Joined: Nov 2003
Posts: 27,911
Likes: 3,622
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Logistics Pro
Joined: May 2004
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Damn I stand corrected. Here I am living in a fantasy world in my own head (and I ain't leaving) 
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Fleet Owner
Joined: Nov 2003
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Likes: 3,622
I was told that it needed a hot flush, on this and several other forums, but I talked to a dozen dealerships and they said they had never heard of it. To add to that, I have never seen a thread where a person found a shop with one.
Fooled me too for a long time.
Fooled me too for a long time.
Logistics Pro
Joined: May 2004
Posts: 3,615
Likes: 878
This is the closest I have found, and its sole purpose is to clean out the residual junk that made your tranny fail to begin with, when changing main components ( TC, trans or overhaul of trans). I see how it can be misconstrued as a hot flush service interval.
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