. I realized that about 2 seconds after I posted.
Wind noise w/ back window open?
Cargo Master
Joined: Apr 2003
Posts: 2,058
Likes: 424
From: Too close to Houston
It’s most likely not the differential. If it was you’d notice a definite change in sound depending not on the speed but whether or not you’re applying throttle or coasting. Checking it is easy. There’s a fill plug on the side or on the cover. Remove the plug and see (by feeling) how far Dow the fluid level is. If it’s within a half inch of running out it’s fine. You can fill it to the level of the plug if you wish but it really makes no difference in how it performs or how long it will last. That’s just my opinion. Others may say it has to be running out or maybe even jack up one wheel to put even more in…
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Tuned
Joined: Mar 2023
Posts: 298
Likes: 107
From: NJ
Thanks, this makes me feel a lot better !
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Tuned
Joined: Mar 2023
Posts: 298
Likes: 107
From: NJ
I can report back that putting the Dualliner bedliner in, the noise is significantly reduced. I suppose it provides better aerodynamics in the bed, and plugs up some of the holes that are part of the bed (couldn't really figure out what some of those holes would be used for). Now it sounds much closer to the F150s I've had; I can drive 65mph w/ the back window open and its not anywhere near as intrusive.
Most of you guys are probably humping loads in your bed or have tools banging around, etc. But for those of us unladen, perhaps this thread will end up being useful to you. At this point I'm highly confidant a solid tonneau will silence what's left.
Most of you guys are probably humping loads in your bed or have tools banging around, etc. But for those of us unladen, perhaps this thread will end up being useful to you. At this point I'm highly confidant a solid tonneau will silence what's left.
Hotshot
Joined: Jul 2013
Posts: 14,263
Likes: 2,185
I have a dually with mixed used tires…they make a roar noise. Very loud with rear cabin window open. But…I’d rather have the benifets of the mixed use tires…than go to road quiet tires and loose those traction benifets.
I can hear the noise…but none of my passengers have ever complained.
thats with 6 37” mixed use tires.
if you switch to road quiet tires…you will someday regret it.
I can hear the noise…but none of my passengers have ever complained.
thats with 6 37” mixed use tires.
if you switch to road quiet tires…you will someday regret it.
Mountain Pass
Joined: Jan 2023
Posts: 124
Likes: 48
Do you only have the rear slider open? Or have fronts open/cracked as well?
I've had 3 trucks with rear sliding windows - '98 Ranger extended cab, '16 Ram 1500 quad cab, and '23 F-350 CCLB. In my opinion if only the rear window is open, the noise is not pleasant. I only open the rear window if I also have the fronts open at least 3 inches. You obviously still have wind noise, but its not the awful sound that buffets in your ears. (And yes, my wife tells me that I am sensitive to noise.) I drive with windows open any chance I get, versus using AC.
I've had 3 trucks with rear sliding windows - '98 Ranger extended cab, '16 Ram 1500 quad cab, and '23 F-350 CCLB. In my opinion if only the rear window is open, the noise is not pleasant. I only open the rear window if I also have the fronts open at least 3 inches. You obviously still have wind noise, but its not the awful sound that buffets in your ears. (And yes, my wife tells me that I am sensitive to noise.) I drive with windows open any chance I get, versus using AC.
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Tuned
Joined: Mar 2023
Posts: 298
Likes: 107
From: NJ
Just the rear. I never had a problem running w/ just the rear open on any of the 150s I've had. Tire differences, longer bed, unlined (at the time of my original post), etc. likely contributed to what I was experiencing.
Cross-Country
Joined: Oct 2021
Posts: 81
Likes: 34
From: Alamogordo, NM
Try cracking one of the rear seat windows an inch or two. It might add some air to stop the backflow. I think there will be a vacuum behind the cab thus the wind noise.
I found if I drive with the front window down, I get a bunch of turbulence but crack the rear seat window and inch or two it stops.
I found if I drive with the front window down, I get a bunch of turbulence but crack the rear seat window and inch or two it stops.
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Tuned
Joined: Mar 2023
Posts: 298
Likes: 107
From: NJ
Dealer checked this today when I went in for my 3k mile oil change. Dealer ended up putting a quart in. Still sounds the same, and the dealer told me the quart low wasn't cause for concern but good that I had them check it.
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