tranny fluid change
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Elder User
Joined: May 2007
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From: New Orleans
tranny fluid change
ok so here it is i have a 2000 f250 with 115500 miled on it and don't know if the tranny fluid has ever been changed. should i do it or no? i have been told
9don't know to how much truth) that if you wait to long that changing tranny fluid will hurt you more then help you due ti it being a good cleaning agent. so need a few pointers on what to do and when i'm in there doing this what i should change.
Ryder
9don't know to how much truth) that if you wait to long that changing tranny fluid will hurt you more then help you due ti it being a good cleaning agent. so need a few pointers on what to do and when i'm in there doing this what i should change.
Ryder
Elder User
Joined: Mar 2006
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From: Greeneville,TN
I would change it. I have heard the same thing, but I have never had anyone expain it to me. Let me suggest that you change your fluid to Schaeffer's 204SAT transmission fluid. BTS who is well known for their transmissions for our trucks uses only Schaeffer. I personally saw a 10-15 degree drop after changing. Private Message me if you want to know how to get some the fluid.
Cargo Master
Joined: Jun 2003
Posts: 3,292
Likes: 6
From: Ardenvoir, Washington
Do it !... Be sure to replace the filter and also drain the torque converter.. i think you have a drain plug.. ford eliminated it in some year after 1999. You need about 16 quarts. If you have a 4X4, drain and refill the transfer case also with the same fluid..
Last edited by clintbonnie; Oct 2, 2007 at 12:29 PM.
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Elder User
Joined: May 2007
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From: New Orleans
i don't know why this comes to mind but drain the pan put the pan back on. son't start the truck but just turn it over wont the t/c be drained by spinning? (it may be dumb thinking but at least i'm thinking right)?
Hotshot
Joined: Dec 2003
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From: iowa
the don't change at x miles has merit but it's not so much if you have miles on it but is the current fluid burnt? If your fluid is burnt smelling and/or looking don't change it until your ready to replace your trans as it will go out in a hurry shortly there after.
I changed mine at 110,000 fluid looked red still and switched to mercon V and still working great but have changed fluid on a trans with 20k miles with burnt fluid and trans went out 40 miles later (yes it was under warrenty but you get the point)
As to switching to shaeffers you could but personally I wouldn't switch until Iwas putting in a new trans, yes Brian uses it with great success but he is also using it on brand new rebuilds not used transmissions, stay with a mercon rated ATF not something like schaeffers (you could do the switch with less miles but I would just be leary of it if mine, and yes I am a certified trans tech, unless i had the money and time to replace the trans if something happened)
I changed mine at 110,000 fluid looked red still and switched to mercon V and still working great but have changed fluid on a trans with 20k miles with burnt fluid and trans went out 40 miles later (yes it was under warrenty but you get the point)
As to switching to shaeffers you could but personally I wouldn't switch until Iwas putting in a new trans, yes Brian uses it with great success but he is also using it on brand new rebuilds not used transmissions, stay with a mercon rated ATF not something like schaeffers (you could do the switch with less miles but I would just be leary of it if mine, and yes I am a certified trans tech, unless i had the money and time to replace the trans if something happened)
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Hotshot
Joined: Dec 2003
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From: iowa
Also to explain the why not to change the fluid once you have burnt fluid (and why some say not after a lot of miles) once you have gotten it hot enough to burn the fluid you have fried the clutches, the reason it is still working at his point is the debris in the fluid is acting as your friction material against the plates in the clutch packs and allowing it to work, but when you drop out that fluid you remove that added friction material and you also clean the plates so you basically have metal on metal with no friction material and thus you have slippage and no go.
Hope that makes sense
Hope that makes sense
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Elder User
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From: New Orleans
so what your say is if i don't have the money to buy a new tc in the next week (maybe) to just leave it and set the money aside to get a new tc rather then spend $150 on trans fluid
Hotshot
Joined: Dec 2003
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From: iowa
NO I am not saying that. I am saying don't switch to something like Schaefffers unless you can afford a new trans, but you can change to regular ATF with a mercon designation (I went ahead and switched to mercon V on mine )
Last edited by monsterbaby; Oct 2, 2007 at 01:11 PM.
Cargo Master
Joined: Jun 2003
Posts: 3,292
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From: Ardenvoir, Washington
Originally Posted by blksiryder
this bring me to a new ??? i didn't think the t/c had a drain plug and if not how do i drain it?
Senior User
Joined: Mar 2007
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From: St. Clair, MO
here's a link to an article that describes the transmission fluid change in very good detail. <!-- KEN: 1-13-2007: show 300x250 ad-block to non-Club FTE users in the 1st post of every page --><!-- / Ken, end of hack -->You should also be aware that for our particular model years 99-00 you should NOT perform a transmission flush with the stock transmission OTA cooler in place (See TSB 99-7-4). The internal design is flawed and will allow it to become clogged easily if there is any material in your transmission (with 100K+ you'll have some). The TSB gives a part number for the replacement OTA cooler. A later TSB also suggests adding an in-line filter. Hope this helps.
https://www.ford-trucks.com/faq/1999...ance-AutoT.htm
https://www.ford-trucks.com/faq/1999...ance-AutoT.htm