Trans Fluid Flush
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Elder User
Joined: Feb 2006
Posts: 547
Likes: 0
From: Tennessee
Trans Fluid Flush
In the directions that I have for flushing the trans fluid, I'm instructed to
drain the pan, add x quarts of fluid, and then attach a length of clear rubber hose to the line which returns the fluid from the cooler. From there, I'm supposed to start the truck and then shift thuy the gears to flush additional fluid out.
If anyone is familiar with this process, can someone give me a reference to where this return line can be found? Is it a steel line going into the trans, or is it a hose?
Any assistance would be appreciated.
drain the pan, add x quarts of fluid, and then attach a length of clear rubber hose to the line which returns the fluid from the cooler. From there, I'm supposed to start the truck and then shift thuy the gears to flush additional fluid out.
If anyone is familiar with this process, can someone give me a reference to where this return line can be found? Is it a steel line going into the trans, or is it a hose?
Any assistance would be appreciated.
Senior User
Joined: Mar 2003
Posts: 428
Likes: 1
From: Hot Springs Village, Ar
Mike, Look above in the Articles/ Specifications section, scroll down in the articles until you come to the section ""Changing transmissiion fluid in the E40D and 4R100 article. All info there. Carroll
Cargo Master
Joined: Jan 2002
Posts: 2,079
Likes: 11
From: LA and CO
Originally Posted by aklim
Is there some reason you don't want to do it easier by draining the pan, changing the filter and draining the TC?
Does someone know for sure?
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Originally Posted by John7894
Someone said, not me..... That the TC has no drainplug. I'm not sure if this is just the later trucks or all of them. I just don't see why the TC would NOT have a drainplug?
Does someone know for sure?
Does someone know for sure?
Thread Starter
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Elder User
Joined: Feb 2006
Posts: 547
Likes: 0
From: Tennessee
According to the instructions referenced above (Articles/Specs), my 2002 truck has no drain plug on the TC, which leads me back to the clear tubing question, which is option 2 if you don't have the drain plug.
Exactly where is the return line from the cooler, and where does it connect to the trans?
Exactly where is the return line from the cooler, and where does it connect to the trans?
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Follow the lines and you will know. It goes from trans to radiator to cooler and back to trans
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Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Just check and see if it does anyways. Mark one spot of the TC. Rotate the TC over 1 rev and see if you see your mark again.
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