...Bring a couple copies of TSB 25-2351 25 July 2025 (TSB 25-2351 supersedes TSB 24-2386 (which supersedes TSB 24-2185 which supersedes TSB 23-2335)
If you haven’t had the RDU vent hose installed and a drain and fill of the RDU fluid they are likely going to do that first which unfortunately is...
A hammer, a screwdriver and a crying towel.
I,ve had two dealership Look at and drive my BS only to tell me it was Cylinder deactivation. Now they want to replace parts and glue it back together. Maybe I can get a third dealership to say it is deactivating and use the Florida Lemon Law.
It...
...am not sure if TSB 25-2351 applies to models like the Badlands with Twin-clutch 4x4 Rear Drive Unit. TSB 25-2351 states “… on vehicles equipped with a single active torque RDU only”
TSB 25-2351 (supersedes TSB 24-2386 which supersedes TSB 24-2185 which supersedes TSB 23-2335)
TSB Date...
...)
If you are having RDU issues, arm yourself with information, Search for the following to see related owner posts:
25-2351
24-2386
24-2185
23-2335
https://www.broncosportforum.com/forum/search/1663971/?q=25-2351&o=date...
“According to mechanic the drain tube for the rear differential gets clogged from road debris and dirt gets into rear differential". So what happens if dirt gets into the rear diff? Does it need a flush? Does the dirt cause damage?
...gets clogged
Edited 7-9-2025:
TSB 24-2386 Chatter/Shudder During Low Speed Turning Events
(supersedes TSB 24-2185 which supersedes TSB 23-2335)
See this link for TSB 24-2386:
https://www.broncosportforum.com/forum/threads/tsb-24-2386-chatter-shudder-during-low-speed-turning-events.16524/...
...owner’s posts with the same issue, not sure is helpful but maybe you’ll see something useful
TSB 24-2386
(supersedes TSB 24-2185 which supersedes TSB 23-2335)
see Post #2...
Search for the following to see related owner posts:
25-2351
24-2386
24-2185
23-2335
https://www.broncosportforum.com/forum/search/1663971/?q=25-2351&o=date
https://www.broncosportforum.com/forum/search/1637783/?q=24-2386&o=date...
...parts to install new style. That I will have to pay for, but I am not waiting until the RDU dies before having that done, which Ford TSB 23-2335 implies.
This is a lot of issues with a car with only 16K miles on it, and driven carefully by a geezer. I am on a first name basis with everyone...
...low speed it pops continuously.
Took it to ford and there definitely was no issue with them hearing it.
Apparently its a known issue (TSB 23-2335)
According to mechanic the drain tube for the rear diff gets clogged from road debris and dirt gets into rear diff.
The repair is rerouting...