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  1. R

    21 ST Vibration and noise

    Greetings all, Just heard back from my service advisor, they are now looking at replacing the front differential! They used “chassis ears” to narrow it down to the noise coming from the diff. Allegedly no contaminants in the diff but who knows. interestingly enough, both front axles have been...
  2. R

    21 ST Vibration and noise

    Took it back to the dealer this morning. They had me take the service supervisor for a ride and duplicated it for him. We'll see.
  3. R

    21 ST Vibration and noise

    Thanks for all the replies, Wow! that is alot of issues. Anyone else getting the "howling" noise I'm experiencing at highway speeds? 63-65 and 71-77 or so? I had the tires checked and rotated, not it. It almost sounds like a wheel bearing but..... Dealer says they have a device that the can use...
  4. R

    Steeda Subframe bushings

    Musclecarman, I just had the rear end replaced on my 21 as well, 10,700 miles. had weird noise/vibration between 71-77 mph. Was told the rear end was full of metal shavings when they inspected it. I purchased the rear diff brace, swaybar bushing kit, JXB inserts, and pinion bushings but haven't...
  5. R

    21 ST Vibration and noise

    Greetings all, New guy here, aircraft mechanic by trade, just bought a new/used 2021 ST Rapid Red AWD with 10,700 ish miles. Gold certified Blue seal whatever warranty. Bought it out of town, on the way home noticed a weird noise/vibration at approx 73-77 mph. Wrote it off as maybe turbo...


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