MT-82 Transmission Additive Update - Page 14 - Ford Mustang Forum
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While this latest info is a bit confusing, I don't feel that just because they aren't using it anymore, doesn't mean there's not a real benefit to it. There may be something else in the works, who knows.

I for one am going to drain my trans. come spring and install fresh oem fluid and the bottle of additive I have. I've read too many good things about the additive and I'm not going to get too bent out of shape over this latest announcement.


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Originally Posted by SleeperJoe View Post
XL-11? That's what I see in your pic.... should be XL-18. Happy Holidays!
Well crap! That explains a lot.

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Quote:
Originally Posted by HowellDoug View Post
While this latest info is a bit confusing, I don't feel that just because they aren't using it anymore, doesn't mean there's not a real benefit to it. There may be something else in the works, who knows.

I for one am going to drain my trans. come spring and install fresh oem fluid and the bottle of additive I have. I've read too many good things about the additive and I'm not going to get too bent out of shape over this latest announcement.
According to what I have read around here, this is not recommended for the '13 and '14 as they have this factory installed. You'd just be draining it out to add more so that you feel better.
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I've gone ahead and ordered a bottle - will post my experience as soon as possible!

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Quote:
Originally Posted by MustangInTexas View Post
According to what I have read around here, this is not recommended for the '13 and '14 as they have this factory installed. You'd just be draining it out to add more so that you feel better.
The problem is I've yet to get confirmed that my MY vehicle does or does not have it from the factory. In my situation, kind of a moot point, as I swapped out the fluid for Redline a while back, and frankly it wasn't any better than the oem fluid (and modifier, if indeed installed.) I figure I have nothing to lose by swapping it out again.

My biggest issue with the trans. is the slight crunching going into 2nd when it's cold out. Otherwise it's been acceptable, but I don't think it's a stellar shifting transmission, crunch or not.

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Quote:
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My biggest issue with the transmission is the slight crunching going into 2nd when it's cold out. Otherwise it's been acceptable, but I don't think it's a stellar shifting transmission, crunch or not.
Interesting, I really wonder what is causing that. It doesn't happen on all MT-82s. Really, probably a small percentage over all. Normally, the Red Line seems to be fixing it. And, if it's a fluid thing, why are people changing out the shifter and fixing this? Anyway, I wish you luck in getting yours to work as it should.
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Quote:
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Interesting, I really wonder what is causing that. It doesn't happen on all MT-82s. Really, probably a small percentage over all. Normally, the Red Line seems to be fixing it. And, if it's a fluid thing, why are people changing out the shifter and fixing this? Anyway, I wish you luck in getting yours to work as it should.
Thanks!

I had installed the shifter prior to doing the fluid swap, and the shifter/bracket were clearly an improvement over the stock items. The fluid swap seemed to make zero difference. When I pull the car out of storage in the spring, this is one of the first things I'll address, fingers crossed, of course.

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The 1-2 crunch in cooler temps is common to just about all MT82's. Design flaw IMO. Do a 1-3 or start in 2
until the transmission warms a bit.


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Quote:
Originally Posted by jlbell4444 View Post
Deysha, so there are new publications that postdate the June document? Do they specifically say not to use the additive now?
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Originally Posted by TheEddie87 View Post
Deysha
So there is now documentation stipulating that this additive is to not be added? I was just about to order a bottle when I read your most recent post...
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Originally Posted by Exslider400 View Post
I was told from another Ford service representative not to put the XL-18 ....Chart says yes but no one at dealership and some reps at Ford have never heard of it...and now chart has changed. I want to add it but also want a warranty. Very very frustrating and disappointing...and confusing.
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Originally Posted by captcarb View Post
How is this supposed to make anyone feel better?
The people that may not now use it don't get the considerable benefit that it offers.

Those of us that have used it are left wondering what harm it will cause and who will pay for it. Ford must have found it harmful, why else would they have discontinued it? It certainly helps. My transmission is night and day better with it

Explanation please.
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Originally Posted by HowellDoug View Post
While this latest info is a bit confusing, I don't feel that just because they aren't using it anymore, doesn't mean there's not a real benefit to it. There may be something else in the works, who knows.

I'm not going to get too bent out of shape over this latest announcement.
Quote:
Originally Posted by HowellDoug View Post
The problem is I've yet to get confirmed that my MY vehicle does or does not have it from the factory. In my situation, kind of a moot point, as I swapped out the fluid for Redline a while back, and frankly it wasn't any better than the oem fluid (and modifier, if indeed installed.) I figure I have nothing to lose by swapping it out again.
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Originally Posted by FordService View Post
EXTRA! EXTRA! Read all about it! New info/correction/final word!!

As per current work shop manual and service publications, the XL-18 is no longer used. The mentioned chart has not been updated on the site since June (as per the bottom right corner of such: Version 3.7 / Published 6/2013).

You may all breathe again. I hope this helps.

Deysha
Hey guys,

The change to the XT-11-QDC fluid occurred on 8/15/2011 the XL 18 additive began on 7/9/2012. Keep in mind that all manual transmissions will be more difficult to shift when cold and the transmission should be allowed to warm up bit (a few minutes of driving depending on the temperature) before attempting to shift the transmission aggressively.

The info I posted above was to clarify, the previous statements regarding XL-18 “must” be added when replacing the transmission fluid.

Once again, if you’re experiencing any concerns with your vehicle, be sure to visit your dealer for full diagnosis and let me know the outcome.

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One more time:

The XL-18 cured my 1-2 cold shift issue. No warm up required.

Caveat: the coldest temp the car has seen is 30 degrees. The shift from 1-2 was smooth the first time at that temp.

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Deysha,

My car was built 6-01-12, so no XL-18 was added at the factory, could I request my dealer to add it under warranty? I baby my car till it warms up, but I do get the 1-2 synchro crunch at times.

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Deysha,
My car was built 6-01-12, so no XL-18 was added at the factory, could I request my dealer to add it under warranty? I baby my car till it warms up, but I do get the 1-2 synchro crunch at times.
No, BOSS MAN 13. Any service/repair you’d like for your dealer to perform (per your request) on your vehicle will be customer pay.

If you’re having a concern, you will need them to fully diagnose your vehicle. They will then advise of any repairs needed, and if the additive is necessary. I can also get this escalated for you if you’d like. PM me with your VIN, dealer, mileage, full name, and best daytime number.

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The local Ford service dept did the QDC fluid change over (TSB 11-11-1) today at 7220 miles, in response to my shifting concerns. I discussed adding XL-18 too with my service advisor (offered to pay for it), but since the TSB didn't call for it - he ended up not putting it in, and suggested that if I still had problems that it might be an option later. I could tell an immediate difference driving home - more like driving a sports car and less like a truck!

I'm still curious what additional information there may be from Ford regarding the advisability of adding XL-18 for my (June 2010 build) MT82, as I'm pretty sure the extent of my service advisor's research on the subject was limited to determining if my car qualified for the fluid change TSB.

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see note 6
https://www.fcsdchemicalsandlubrican...f/mantrans.pdf

Last edited by captcarb; 12-30-2013 at 06:54 PM. Reason: image issue
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Quote:
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Yes - thanks - I showed this to my service advisor today too. That's why I'm wishing for more information, or an updated TSB, or both.


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