For manual transmission owners with a 3500rpm rattle/vibration:

[Dilly’S Willy]

For clarification, the rattle/vibration people have mentioned is around 3500rpm, generally in 3rd gear (sometimes 2nd), and under moderate to heavy load (throttle input vs speed increase rate). This may also not be consistent either, and can be a case-by-case or even a day to day basis.

I know this isn't an isolation issue, as multiple people over the years have asked about this but no one has found the answer/solution.

Believe it or not, it's in the clutch pedal assembly. I've been having this issue intermittently since I got my JT in August 2025. Even the dealer said they could put "electronic ears" on the frame to find out the cause, but between weather/making it happen consistently, that wasn't working out.
- When I slightly put pressure on the clutch pedal when that rattle/vibration happens, I mean just enough to feel the pedal, and BOOM it's gone!

I'll need to verify what item/part exactly is causing it at the clutch pedal, but at least now people have a great place to start!

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[FOX JT]

I consistently shift at 3k but I will shift higher and see if my 2024 does the same. After 28k miles I know I've shifted beyond that but I don't recall any noise or vibration. Who knows, I might find shifting at 3500 or 4000 makes the drive more enjoyable.