DavidArmen
Well-Known Member
- First Name
- David
- Joined
- Sep 19, 2020
- Threads
- 28
- Messages
- 1,468
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- 1,617
- Location
- Los Angeles, CA
- Vehicle(s)
- 2021 JLUR
- Thread starter
- #1
Has anyone else noticed that if you grab the transfer case lever and switch to 4hi then back to 2hi then again to 4hi and repeat this once or twice in succession (2hi->4hi->2hi->4hi->2hi->4hi), when you then finally switch back to 2hi, the FAD does not immediately disconnect.
Normally it disconnects almost immediately after switching into 2hi.
When this is done while driving down the road, it is then extremely easy to pull the lever into 4hi since, I assume, the front driveshaft is now rotating because the FAD hasn’t yet disconnected.
It does eventually disconnect if you don’t go back into 4hi within a few seconds after the quick switching process.
I would guess that it stays connected for about 10 seconds but I’ve only experienced this phenomenon twice so I can’t be sure.
Could it be by design? For example: The jeep thinks you’re switching between 2hi and 4hi fast enough for it to not even bother disconnecting the FAD since it knows you will switch back to 4hi again very soon.
Normally it disconnects almost immediately after switching into 2hi.
When this is done while driving down the road, it is then extremely easy to pull the lever into 4hi since, I assume, the front driveshaft is now rotating because the FAD hasn’t yet disconnected.
It does eventually disconnect if you don’t go back into 4hi within a few seconds after the quick switching process.
I would guess that it stays connected for about 10 seconds but I’ve only experienced this phenomenon twice so I can’t be sure.
Could it be by design? For example: The jeep thinks you’re switching between 2hi and 4hi fast enough for it to not even bother disconnecting the FAD since it knows you will switch back to 4hi again very soon.
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