Transmission Fluid
Senior User
Joined: Jul 2001
Posts: 491
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From: Walterboro, SC
I would go with Mercon V. I just changed the fluid in my brother's 1995 AODE and put Mercon V in. It fixed the sloppy shifts it used to have and made it feel like a different tranny! I've also been told by a transmission tech that he uses Mercon V on everything requiring Mercon and hasn't had anything come back. Just my experience.
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Senior User
Joined: Nov 2002
Posts: 294
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From: Central Coast, California
Rockledge if the TRanny was rebuilt from ford in 2001 Should I be okay with going with Mercron V or not I'd think ford would of used new clutch material but maybe i'm mistaken.
Post Fiend
Joined: Jan 2003
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From: Connecticut
John, if yours is a rebuild, I think you will probably be OK with Mercon V, but if it were mine, I'd stick with regular Mercon. Personally, I use Mobil1 ATF in my '97 Taurus tranny (same as yours) because (1) it's Mercon rated, (2) I like the idea of a synthetic fluid in there on account of the hight heat being generated, and (3) the longer drain intervals of trannies (25K as opposed to the 3-5K between oil changes).
On the other hand, I will never put Mobil1 ATF in my Ranger tranny because it requires Mercon V, and M1 ATF is not Mercon V rated. So you can see I am very particular about what I use, depending on the age and model of the tranny.
On the other hand, I will never put Mobil1 ATF in my Ranger tranny because it requires Mercon V, and M1 ATF is not Mercon V rated. So you can see I am very particular about what I use, depending on the age and model of the tranny.
Last edited by Rockledge; Dec 31, 2003 at 03:12 PM.
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Senior User
Joined: Nov 2002
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From: Central Coast, California
Thanks for the reply rockledge .
I'm just going to use Mobil 1 's atf. Just out of curiosity were do you purchase your Mobil 1 ATF my local napa doesnt have so I'm just curious.
I'm just going to use Mobil 1 's atf. Just out of curiosity were do you purchase your Mobil 1 ATF my local napa doesnt have so I'm just curious.
Postmaster
Joined: Jan 2003
Posts: 4,417
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From: Durham, NC
Originally posted by Rockledge
John, if yours is a rebuild, I think you will probably be OK with Mercon V, but if it were mine, I'd stick with regular Mercon. Personally, I use Mobil1 ATF in my '97 Taurus tranny (same as yours) because (1) it's Mercon rated, (2) I like the idea of a synthetic fluid in there on account of the hight heat being generated, and (3) the longer drain intervals of trannies (25K as opposed to the 3-5K between oil changes).
On the other hand, I will never put Mobil1 ATF in my Ranger tranny because it requires Mercon V, and M1 ATF is not Mercon V rated. So you can see I am very particular about what I use, depending on the age and model of the tranny.
John, if yours is a rebuild, I think you will probably be OK with Mercon V, but if it were mine, I'd stick with regular Mercon. Personally, I use Mobil1 ATF in my '97 Taurus tranny (same as yours) because (1) it's Mercon rated, (2) I like the idea of a synthetic fluid in there on account of the hight heat being generated, and (3) the longer drain intervals of trannies (25K as opposed to the 3-5K between oil changes).
On the other hand, I will never put Mobil1 ATF in my Ranger tranny because it requires Mercon V, and M1 ATF is not Mercon V rated. So you can see I am very particular about what I use, depending on the age and model of the tranny.
Post Fiend
Joined: Jan 2003
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From: Connecticut
John, I did my Taurus tranny fluid change about 6 months ago and the best price on Mobil1 ATF around my area at that time was at AutoZone, but I cleaned them out and had to go to Pep Boys to get several more quarts so that I had enough for the job! 
Bob, thank you very much! Here's wishing you and John and all the rest of the Lube Heads and Ford Freaks around here a very Happy New Year, as well!!
Joe
Bob, thank you very much! Here's wishing you and John and all the rest of the Lube Heads and Ford Freaks around here a very Happy New Year, as well!!
Joe
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Senior User
Joined: Nov 2002
Posts: 294
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From: Central Coast, California
Rockledge How much fluid did you have to use? It should be about the same if we both have the same tranny right. Also did you notice any diffrence in performance in the transmission Shifting or Anything,
Thanks
and a happy New Year
Thanks
and a happy New Year
Posting Guru
Joined: Dec 2003
Posts: 2,155
Likes: 3
From: Centerville, Iowa
Just sell your Sable now while it still has value and worth for you to get money out of it.
I despise my Taurus now...and I urge anybody and everybody that I know to sell their Taurus/Sable if they have one.
One of the primary problems is that they used aluminum pistons in the transmissions instead of their steel counterparts because of cost (13 dollars difference) and because of the change in lubrication abilities-for "performance"- the aluminum expands/contracts alot more in the heat and ends up cracking up...but I'm done ranting. 1991-1995 Taurus? Get rid of it. =P
I despise my Taurus now...and I urge anybody and everybody that I know to sell their Taurus/Sable if they have one.
One of the primary problems is that they used aluminum pistons in the transmissions instead of their steel counterparts because of cost (13 dollars difference) and because of the change in lubrication abilities-for "performance"- the aluminum expands/contracts alot more in the heat and ends up cracking up...but I'm done ranting. 1991-1995 Taurus? Get rid of it. =P
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Post Fiend
Joined: Jan 2003
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From: Connecticut
John,
Thanks! Happy New Year to you, too.
Specs call for 12.25 quarts capacity. So I brought 13 quarts of M1 ATF with me to a local garage with a tranny flush machine and gave them $50 and they used the M1 to flush my system instead of the regular stuff they normally would have used. Worked out pretty good. Also, I did an Auto-Rx treatment right before I had it flushed. Yes, I did notice an improvement.
John's tranny was rebuilt and is essentially brand new...
Thanks! Happy New Year to you, too.
Specs call for 12.25 quarts capacity. So I brought 13 quarts of M1 ATF with me to a local garage with a tranny flush machine and gave them $50 and they used the M1 to flush my system instead of the regular stuff they normally would have used. Worked out pretty good. Also, I did an Auto-Rx treatment right before I had it flushed. Yes, I did notice an improvement.
Originally posted by Saurian
Just sell your Sable now while it still has value and worth for you to get money out of it.
I despise my Taurus now...and I urge anybody and everybody that I know to sell their Taurus/Sable if they have one.
One of the primary problems is that they used aluminum pistons in the transmissions instead of their steel counterparts because of cost (13 dollars difference) and because of the change in lubrication abilities-for "performance"- the aluminum expands/contracts alot more in the heat and ends up cracking up...but I'm done ranting. 1991-1995 Taurus? Get rid of it. =P
Just sell your Sable now while it still has value and worth for you to get money out of it.
I despise my Taurus now...and I urge anybody and everybody that I know to sell their Taurus/Sable if they have one.
One of the primary problems is that they used aluminum pistons in the transmissions instead of their steel counterparts because of cost (13 dollars difference) and because of the change in lubrication abilities-for "performance"- the aluminum expands/contracts alot more in the heat and ends up cracking up...but I'm done ranting. 1991-1995 Taurus? Get rid of it. =P
Last edited by Rockledge; Jan 4, 2004 at 03:30 AM.
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Senior User
Joined: Nov 2002
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From: Central Coast, California
Rockledge Thanks for the reply I'll do the same thing.
I was woundeering do you think When My tranny was rebuilt from ford that they upgraded the pistons to steel. You'd think that they would of upgraded other parts to. MY warrenty is almost up on it to 24,000 mile warrenty it cancles at 26,000.
I was just woundering if you or anybody knows if ford would of upgraded to steel pistons
I was woundeering do you think When My tranny was rebuilt from ford that they upgraded the pistons to steel. You'd think that they would of upgraded other parts to. MY warrenty is almost up on it to 24,000 mile warrenty it cancles at 26,000.
I was just woundering if you or anybody knows if ford would of upgraded to steel pistons
Post Fiend
Joined: Jan 2003
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From: Connecticut
John,
I only know bits and pieces about the AXODE myself, but I beleive that in '94 or '95 Ford started making the these trannies with steel pistons in the forward clutch drum. With that in mind, you have to think that your Ford Factory Rebuild got a steel piston, since the "re-design" has already been around for many years.
You also might try your question in the Transmission Forum, maybe get some feedback there.
I only know bits and pieces about the AXODE myself, but I beleive that in '94 or '95 Ford started making the these trannies with steel pistons in the forward clutch drum. With that in mind, you have to think that your Ford Factory Rebuild got a steel piston, since the "re-design" has already been around for many years.
You also might try your question in the Transmission Forum, maybe get some feedback there.
Posting Guru
Joined: Dec 2003
Posts: 2,155
Likes: 3
From: Centerville, Iowa
1995 Was the first year they began to realize this problem was quite serious and began switching over. If a person has a 1995 Taurus they probably have the steel versions, but possibly still have the Aluminum ones.
1991-1994 ALL had aluminum. If you go on Google you can find ALOT of information on this subject.
1991-1994 ALL had aluminum. If you go on Google you can find ALOT of information on this subject.
Posting Guru
Joined: Dec 2003
Posts: 2,155
Likes: 3
From: Centerville, Iowa
Hey John (beastly 302 guy =P), I noticed that your truck is packing a 4R70W - have you ever heard of the J-Mod? The J-mod is a series of modifications that can be done to the valvebody of the transmission, as well as replacement springs and a diode I believe which will give you firmed up shifts, as well as proper pressure levels for all shifts without the risks of aftermarket shift kits. Go to www.tccoa.com and go for the articles. Under there, go to Transmission and find the "Jerry Mod" or something of that nature.
Btw...the Jerry referred to was one of FoMoCo's engineers who actually designed the transmission and all that...=). You'll see though...one reason I was concidering finding a 4R70W and converting my 5-speed Mazda over to it with a J-mod and Lincoln Mark VIII Torque Converter...I'd be set for life!
Btw...the Jerry referred to was one of FoMoCo's engineers who actually designed the transmission and all that...=). You'll see though...one reason I was concidering finding a 4R70W and converting my 5-speed Mazda over to it with a J-mod and Lincoln Mark VIII Torque Converter...I'd be set for life!
Freshman User
Joined: Dec 2001
Posts: 38
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From: Fair Oaks Ranch TX USA
Gentlemen -
This is an informative thread. My son-in-law is a certified GM mechanic and is about to service my auto tranny on my 01 F250 5.4 for the first time at 70K miles. The book says it holds 17.7 qts of Mercon ATF, but my son-in-law says he will only need maybe half of that to service it. I just bought Mobil ATF (not synthetic) that is advertised as meeting both GM fluid requirements and Ford Mercon. Being mindful of comments in this thread critical of this hybrid fluid, it the problem (whatever it is) made worse by mixing the hybrid with what is left in my tranny? So far, the tranny has been fine except for an occasional shudder on upshift that sounds like I'm running over center line markers.
This is an informative thread. My son-in-law is a certified GM mechanic and is about to service my auto tranny on my 01 F250 5.4 for the first time at 70K miles. The book says it holds 17.7 qts of Mercon ATF, but my son-in-law says he will only need maybe half of that to service it. I just bought Mobil ATF (not synthetic) that is advertised as meeting both GM fluid requirements and Ford Mercon. Being mindful of comments in this thread critical of this hybrid fluid, it the problem (whatever it is) made worse by mixing the hybrid with what is left in my tranny? So far, the tranny has been fine except for an occasional shudder on upshift that sounds like I'm running over center line markers.