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It's not the tires. It makes the noise with the rear end on jack stands.

All 4 of mine are rusted as well, just like the picture above. I noticed the fronts the other day, and brushed on some heavy wax type corrosion inhibitor. Haven't done the rears yet. I'm not a shock expert by any means, but that should be the area where they pressurize the reservoir with...

2200 miles.

Yeah, me too.

Another Update: In my garage, I put the rear on jackstands, shut off ESC, and slowly ran it up to the speed that it typically makes the most noise - 46-47mph. With the windows down, I could hear the rear end, but it didn't sound 'bad', and the noise didn't get noticeably louder at 46-47mph...

Just wondering - does it still make the same noise after they replaced the vacuum pump?

Any follow-up on this? I'm trying to track down a similar faint noise as well. I also have a 2021 Mojave. I start to hear it at about 40, then it gets most noticeable at 46-47mph, then seems to disappear. I thought about the rear driveshaft carrier bearing, but my rear driveshaft was...

I agree with NOT using any type of spray foam inside frame or body cavities - it will only trap moisture. If new & clean, look into 3M Cavity wax. That's what I used on the inside of the chassis on my new JT. Check out 3M 08852 cavity Wax and 3M 08851 Applicator wands...

Update: I disconnected the power steering pump motor by disconnecting both plugs at the motor. ABSOLUTELY NO CHANGE IN THE NOISE. Tough to steer, and got a 'service PS system' message, but no change in the noise. Hmmmm........... Wheel bearing, front or rear? Lightly dragging parking brake...

Are you doing the Alpine SPV-65 speakers? I looked into these, and it is my understanding that they plug directly into only one of the plugs.

Ah, gotcha. They might be set up the same way, but I don't know about the dash/knee panel speakers. I don't want to get too involved in tearing the dash apart, so I never looked into the knee panel speakers.

I assume that you are talking about the soundbar, where each side has a 3.5" tweeter and a 4" mid-range? If so, that is my understanding : for component speakers, wire the tweeters directly to the 3.5" plugs and the 6.5s directly to the 4" plugs. I ended up installing new 3.5s in the dash and...

The good thing is that you were able to get it to make the noise. That means the dealer should also hear it when on the lift. I'm betting a sway bar bushing. I know that my JK requires periodic greasing of the rear sway bar bushings for some reason.

Check out this thread for a potential solution (it might not be the freedom panels): https://www.jeepgladiatorforum.com/forum/threads/whistling-noise-inside-cab-on-new-2021-gladiator-jt.40625/page-2#post-778272

I have the factory hard top liners, and the noise isn't too bad. I've done several family highway trips and there is certainly wind noise, but it is not loud enough to become bothersome or irritating. I'm typically going 70-73 mph on the highway. Strong winds will increase noise somewhat, but...

I would assume the potential for warranty implications and remove it prior to any trips to the dealer. Better to be safe than sorry. No matter how you look at it, you are tampering with emissions equipment. My concern with a catch can is always the additional pressure drop (system...

Just be aware that the Alpine S-S65C speakers do not come with grilles for the 6.5s. You need to buy them separately.

Actually, an exhaust tip can change the sound (tone and, to some extent, volume) of an exhaust system. However, I can't see it making much of a difference on the JT.

Noises can be very difficult to identify & isolate. So, it is a 'rubbery' type noise? Is it a consistent noise or only over bumps? What speed? Does it change with road speed? Does it change if the brakes are applied? Does it change if you lightly apply the parking brake? Lots of questions...

It is also a good idea to clean the seals and their mating surfaces, and lubricate the seals before re-installing the Freedom panels. I use shin-etsu grease from Honda: https://www.amazon.com/Honda-Genuine-Shin-Etsu-Grease/dp/B006Z9TZ9M