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How many miles since TSB was performed?

I replaced the transmission fluid with BG synchro shift II, but there is zero difference

The skills of certified mechanics, installing these transmissions have nothing to do with the problems that we are experiencing, but rather the fact that these transmissions are poorly designed. For many years Mustang owners have been complaining about similar problems with their manual...

Of course not! This is my third transmission, and both were installed by a local Ford dealer..

Yes, the AB transmission was installed a few moths back. I have 7k miles since installation, and it is getting louder.

I have the AB version, and it grinds when is cold and slightly rattles in the second gear.

Please keep us posted. On my third transmission, nose return within a month ..

Most of us waited for over two years to get our Broncos, and have been going through many headaches with these transmissions since then. Thus selling is not something that many of us will consider a satisfactory outcome. We should all try to pressure Ford Motors through their headquarters...

Even if I set the AC/Heat to lower vents, I get zero airflow in the rear vents. Many other Bronco owners have said the same thing.

I get zero air flow in the rear vents. Can anyone tell me how you fixed this problem?

Dukaki, I didn’t specifically post this for you, so if you don’t want to answer, mind ur own business

Do you guys get any air in the rear vents? I get zero AC/ heat

I hate to say this but eventually, the noise will come back at some point, no matter if you got the TSB done or a new transmission, including the AB one. I am on my third transmission, (the latest AB version) and still hear the same noise. The noise was gone for a few months (3K miles) and it...

Well, I am on my third transmission, last one the AB version. The noise has returned after 3 months. I know that this is the most “updated” transmission available for my Bronco. I called the dealer and they said they’re not sure what to do since I already got a new transmission just a few...

That or Bronco owners are giving up, and accepting the fact that there is not a real fix at this point.

Thanks! On my third transmission, the last one the AB version, was replaced a few months ago, noise has returned. I am extremely disappointed!

I am thinking about using the BG Syncro Shift II. You had initially mentioned above that this is much better choice than standard transmission fluid. After driving your Bronco for a few months now, do you still recommend the BG Syncro Shift II? Is your Bronco still making the grinding noise...

Same here! The noise came back after about 2k miles of the AB trans. Someone mentioned in one of the forums that he had used Royal Purple Synchromax fluid and this stopped the noise. Not sure how true this is.

I had the AB transmission installed in September (this is my second transmission replacement). Initially, there was no noise whatsoever. A few weeks ago, I started hearing the noise again(faintly) at about 30 degrees or below. Today at about 40 degrees, I can hear the scraping noise non-stop. I...