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I got a 99 v6 atx with 50,000 miles...i bought it used from a dealer(dads best friend with 45,000 miles...now my car is shifting fairly rough and in third gear it gets stuck at 4000-4500 rpm unless i pump the gas pedal.....i know you should change fluids and filter at 50k, but i figured the dealer would have done all that. And if the fluid wasn't changed and is dirty its going to be thicker, and changing new fluid, which would be thinner, wouldnt that make it even worse. Any help would be good...thanks...i wanna jus swap in a mtx, but the money isnt here right now.
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There is no filter change interval for the CD4E. The filter is located inside the case of the tranny and to change it you have to drop the tranny, which means dropping the subframe, and crack the case open.
As for changing fluid - if you look under the car on the drivers side behind the front tire, you will see a drain plug. A 3/8 drive rachet will fit right in there. You pull the drain plug and allow it to drain. You will only be able to drain 4 quarts, so you will have to drain, reinstall the plug, crank the car and drive around for a few miles. Then drain again. You might want to do this a few times the first time. Be prepaid to buy at least 12 quarts. I would buy 16 just to make sure you can get as much of the old fluid out as possible.
Now Ford recommends that you drain and refill with 4 quarts every 30k I think it is. That is what I was told by the service manager at my local Ford dealer, but I trust the folks around here a lot more. Most here will agree that doing this every 15k is about right. Exspecially if you drive your car hard.
Since your car only has 50k on it, I will let you and others be the judge of that. If it were me, I would do what mentioned above, but that might just be me.
Also, there are some lube service places that offer transmission flushing services that you might want to look into. If you like, you can do a search in this forum using the words "flush" or "change" or something like that. I have never had this done, so I cannot help you out much here but there has been a good bit of discussion on this topic here in the past.
When ATF breaks down, I am not sure if it actually becomes thicker - such as motor oil does, but it does become abrasive. This can cause all sorts of problems as you can imagine.
As for your problem, is your check engine light lit up or does your O/D light (overdrive) flash? If so, you can go to somewhere like Autozone and get it scanned. Bring the code back here and give it to us.
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K
"This storm has broken me, my only friend!" RIP Dime
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Originally posted by unisys12:
Now Ford recommends that you drain and refill with 4 quarts every 30k I think it is. That is what I was told by the service manager at my local Ford dealer, but I trust the folks around here a lot more. Most here will agree that doing this every 15k is about right. Exspecially if you drive your car hard.
FORD recommends Transmission service every 30,000 miles.
Transmission service requires COMPLETE fluid replenishment.
This requires the use of special machine that draws and replaces the ATX fluid completely,
via the transmission cooler line as the engine is running.
As the fluid gets older, it doesn't get thicker, it gets oxidized and becomes abrasive as unisys12 has stated.
This is NOT something you want to leave in your tranny.
Since you already have 50k miles, it is safe to say the tranny has NEVER been serviced.
I would suggest changing 4 quarts of ATX oil with every motor oil change for the next few oil changes, to gradually flush the transmission.
If you do it all at once, you will flush out all of the grit that is currently keeping your transmission working,
and it will force you to have to spend an exhorbitant amount of money
to have the transmission dropped, rebuilt and reinstalled.
Pete...
2004 Mercury Marauder 300A
Black Clearcoat/Dark Charcoal LEATHER
DOB 10/31/2003
DOP 1/2/2004
www.mercurymarauder.net
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Originally posted by RoadRunner:
I would suggest changing 4 quarts of ATX oil with every motor oil change for the next few oil changes, to gradually flush the transmission.
Thanks for clearing that up.
Originally posted by RoadRunner:
If you do it all at once, you will flush out all of the grit that is currently keeping your transmission working,
and it will force you to have to spend an exhorbitant amount of money
to have the transmission dropped, rebuilt and reinstalled.
So that's why when the discussion came up about "power flushes" or whatever they called it, a few stated that soon after they did this, they had to get their tranny rebuilt!  See, learn something new everyday! Now all I have to do is learn one thing a day and not forget two and I will be set. 
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K
"This storm has broken me, my only friend!" RIP Dime
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well i dropped it off at the dealer today....i dont think i am still under the used car warranty, it was 30days and today is day 32...so either they can do the flushy thing or tell me it needs to be changed.....now i jus got to wait...thanks for the help
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Hey be sure to let us know what they come up with.
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K
"This storm has broken me, my only friend!" RIP Dime
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Just got it back,...they said they couldnt find anything abnormal or wrong...but o well, i'll drive it til it blows then take it back and get a mtx put in....they said that these trans cant take really any abuse, is there any way to beef them up and make them stronger....i love this car and dont want it to be that i always got to take it easy...it has so much potential 
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Originally posted by sleeperv6:
Just got it back,...they said they couldnt find anything abnormal or wrong...
That is about right. Did they change the fluid?
Originally posted by sleeperv6:
but o well, i'll drive it til it blows then take it back and get a mtx put in....
Do some searching here in this forum and you will find that it is not worth it. Better to buy a tour with an MTX. Just not worth it. 
Originally posted by sleeperv6:
they said that these trans cant take really any abuse, is there any way to beef them up and make them stronger....
A company by the name of Level 10 does or did. Didn't I read somewhere that Level 10 does not rebuild the CD4E anymore? Anyway, there is a shift kit avaliable by Trans-Go that will help you get better (harder quicker) shifts, which will prolong the life of the cluthes and maybe some of the other components. I am not sure about the quality of this kit, but I know that it is not very expensive.
Originally posted by sleeperv6:
i love this car and dont want it to be that i always got to take it easy...it has so much potential
Just like everything else, as long as you take car of it and change the fluid in it on a regular basis it will be fine. Do some searching here in the forum about changing over to Mobil 1 synthetic ATX fluid, which will help your trannys lifespan by offering better lubrication and offer to a cooler running tranny. Also, since I mentioned the word "cooler", remember that the number one enemy of any transmission is heat and a cool transmission is a happy transmisson. Search around the forum about transmission cooler that can be added in a couple of hours and are very inexspensive. Most run around $35 to $70 I think for a conventinal cooler. I really need to get one of those myself!!
If they did not change your fluid, then I would suggest that you put that on your to do list for about 8 o'clock saturday morning! Just follow what Roadrunner suggested above about changing out 4 quarta at your next few oil changes. I would go ahead and change out the first 4 this weekend, if not tomorrow after work! It will only take about 15 minutes tops. Run it a bit first and let it get good and warm, this way you will get more of the only four quarts out.
Hope some of this helps you out. I am sure that Roadrunner can add a good deal to this. He does not have "**Offical CD4E Burner**" in his sig for no reason. Listen to whatever advice he has to give, not just in your case but others as well and you will learn alot.
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K
"This storm has broken me, my only friend!" RIP Dime
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thanks i am going to get some trans fluid...and do it after work...i work at advanced auto parts so i'll get what the best is...is the bbm trick shift fluid any better??? it seems to be thicker than regular so i think it would work better.
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I will leave finally suggestions to Roadrunner or others, but I would stick with plain MerconIII/Decron ATF until you get it all changed out. That means after several 4 quart drops with oil changes as Roadrunner suggested above. Then after riding around with that good fresh ATF for awhile, then either have your tranny flushed and have the Trick Shift used instead of MerconIII ATF or you could do a "transfusion". For more information on that procedure, just search here in the tranny forum using that word.
I would not suggest mixing two different types of tranny fluid.
I have read of one other here on the boards that uses the B&M Trick Shift and seems to really like it.
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K
"This storm has broken me, my only friend!" RIP Dime
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