Transmission Fluid Change
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Freshman User
Joined: Jan 2004
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From: PA and MT
Transmission Fluid Change
HI!
I have a 2000 F250 PSD w/ auto tranny and 4x4.
At various mileage intervals the factory scheduled maintenance booklet says to change the auto. transmission/transaxle fluid on all vehicles equipped with AX4S, AX4N, 4R70W, 4R100, 4F27E.
What do these references (AX4S, etc.) mean, and does my truck have one or the other of them?
John
I have a 2000 F250 PSD w/ auto tranny and 4x4.
At various mileage intervals the factory scheduled maintenance booklet says to change the auto. transmission/transaxle fluid on all vehicles equipped with AX4S, AX4N, 4R70W, 4R100, 4F27E.
What do these references (AX4S, etc.) mean, and does my truck have one or the other of them?
John
Lead Driver
Joined: Jun 2003
Posts: 8,298
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From: Damon (South East Texas)
These are various models of different transmissions. You have the 4R100. Ford recommends to change the fluid every 30,000 miles of these transmissions. The year model you have should have a drain plug on the torque converter. If you service the trans yourself, you get almost all the fluid out by draining the pan and torque converter. I have been doing the "complete" drain every other fluid change. I service it a little sooner if I do quite a bit of towing.
Posting Guru
Joined: Jul 2003
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Or try this do it yourself version of what the transmission shop will do. I've used this method several times. It isn't hard at all.
https://www.ford-trucks.com/articles...hangingatf.php
https://www.ford-trucks.com/articles...hangingatf.php
