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mark888,

Upon inspection of the car tonight, I tend to agree with you and dchobo's comments regarding potential leaks. I briefly glanced at some other vehicles on my walk tonight, including a new Camry and could tell that Toyota has some design flaws with the highlander. Namely, the 2-piece chrome around the door frame is more like 1-piece on pretty much every other car in the parking lot. The seals are not too good where the chrome pieces join above and below the mirror.

I will take a closer look at the black boxes in the corner of the window mentioned in the 'solved' thread but both seem snug on mine. I put a few pieces of tape in other areas of suspicion and will report back results in hopes this solves the problem.

I don't have the panoramic sunroof and poking my head into the middle of the car is an oasis compared with the normal drivers seat, especially at 65+ mph.
 

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I took a look at the boxes mentioned in the 'solved' thread, these here:
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My drivers side is looser than my passengers side. Not really sure how to snug this up; I removed it, easily pops off, there is no adjustment however, so I'm not sure what the original poster did to actually fix the problem. Its likely Toyota is aware of the issue and simply replaced his.

For now I think I am going to place felt all around that box and see if that solves it.

I also think I'm getting noise in from the left passenger door, there is a piece of loose trim there that pushes against the window sill. Taping that up seemed to help this morning but it could just be placebo effect. Will keep you posted as I hope to resolve this (despite the fact that going around taping a $40k vehicle is more than a little irritating).
 

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Just for some additional reference, there are some key noise related changes to the 2020 Highlander in the image here: https://upload.wikimedia.org/wikipedia/commons/b/bf/2020_Toyota_Highlander_Platinum_AWD_front_NYIAS_2019.jpg

This may not be final, but if you notice the entire mirror housing has been lowered on the door and moved outboard, opening the gap which reduces the flow acceleration between the mirror and the door, reducing noise. More critically perhaps is the chrome trim around the window is now one piece top and bottom, meeting in the corner of the door (vs. the 2014-19' highlanders with 3 piece chrome). Also, as the mirror attaches lower on the door than the current gen, there probably is no cover on the inside for the mirror bolts, rather it is behind the more well attached door panel interior trim. All of this should result in a quieter, more upscale ride. Unfortunately I couldn't wait for the 2020 model year as I needed a larger car this month for some long road trips.
 

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dchobo, do you know what Toyota do to seal that little black box? I too found trim tape to be of little help.

The one other area of concern is the flap that sticks forward of the mirror on the door, that has to seal against the inside AND outside of the car with one seal...I suspect that may be leaking on the passengers side. Not a great design and if its bent ever so slightly contact won't be made on either the inside or the outside.

I did pull my weathertech window deflectors off yesterday and that seems to have helped reduce the noise, its now not prevalent until closer to 65mph. Has me thinking it may just be the standard Highlander wind noise.
 

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dchobo, do you know what Toyota do to seal that little black box? I too found trim tape to be of little help.
Sorry that was from a different poster... I don't think he/she posted more details about what Toyota did. I guess it may just be some foam tapes you can get from home depot.
 

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I took a look at the boxes mentioned in the 'solved' thread, these here:

My drivers side is looser than my passengers side. Not really sure how to snug this up; I removed it, easily pops off, there is no adjustment however, so I'm not sure what the original poster did to actually fix the problem. Its likely Toyota is aware of the issue and simply replaced his.

For now I think I am going to place felt all around that box and see if that solves it.

I also think I'm getting noise in from the left passenger door, there is a piece of loose trim there that pushes against the window sill. Taping that up seemed to help this morning but it could just be placebo effect. Will keep you posted as I hope to resolve this (despite the fact that going around taping a $40k vehicle is more than a little irritating).
On my Avalon, over time I developed a lot of wind noise from the same box/location on the passenger side door. As luck would have it that mirror was broken and the entire mounting terribly damaged when my Dad borrowed my Avalon and misjudged his clearance on a narrow street, necessitating that I replace the side mirror unit myself. Just to be certain, when I installed the new unit I added my own soundproofing and silicone sealant, and, voila, problem completely solved. Just food for thought as far as suggesting you remove the side mirror unit and do the same, add soundproofing and silicone sealant, then reinstall the unit. You have everything to gain and nothing to lose.
 

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I do have the same noise issue much louder with crosswind, I do drive highlander 2019, will visit the dealer soon, but I think it is a design fllaw, I do regret buying it would rather go with Sorento but it is too late.
 

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I do have the same noise issue much louder with crosswind, I do drive highlander 2019, will visit the dealer soon, but I think it is a design fllaw, I do regret buying it would rather go with Sorento but it is too late.
Sorrento? That is hilarious. Put a Sorrento next to a Highlander and compare, ask someone which would they choose and I guarantee most would go for the Toyota and not regret it. How many Kia telluride and Hyundai pallisade owner's now regret buying those things.The telluride already looks awkward and dated, the highlander is a fine looking vehicle, especially in white.
 

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It’s just a noisy vehicle. I’ve just learned to live with it. Our 14 XLE and 16 Ltd were both also noisy compared to our Lexus ES. Our 18 Platinum is also noisy. Probably a little more than the previous two due to the Pano roof. Didn’t have any clue how noisy it really was until getting hearing aids recently! My BMW has a great exhaust system and is sitting on run flats which are not quiet by any means but it is still way way quieter than the HL.

While we have been happy with all three of our 3rd generation HL’s, now that I can actually hear what’s going on around me, we will probably be moving on to a more quiet SUV in the next year or so. The only reason we’ve kept it this long is that it’s my wife’s ride. I expect noise from mine and it never fails to amaze.
 

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Sorrento? That is hilarious. Put a Sorrento next to a Highlander and compare, ask someone which would they choose and I guarantee most would go for the Toyota and not regret it. How many Kia telluride and Hyundai pallisade owner's now regret buying those things.The telluride already looks awkward and dated, the highlander is a fine looking vehicle, especially in white.
I am referring to the noise, I tested the Sorento and it is very quiet compared to the Highlander I picked the highlander over Sorento for a lot of reason but the noise is really disturbing.
 

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I am referring to the noise issue, I tested the Sorento and it is very quiet compared to the Highlander , however I picked the highlander for a lot of reasons, but the noise is really disturbing.
 

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I am referring to the noise issue, I tested the Sorento and it is very quiet compared to the Highlander , however I picked the highlander for a lot of reasons, but the noise is really disturbing.
"Warning noise of this vehicle might disturb some buyers" lol. I have driven average priced vehicles over 35 yrs and this is the quietest vehicle I have driven making wind noise more apparent at times.Wait a few months and you may not notice it so much.
 

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I had a 2016 HL XLE and don't remember much noise at highway speeds with that vehicle. I now have a 2018 XLE and I love the vehicle but my wife notices an air noise coming from the passenger door, lower right, aft corner of the glass. I don't hear it but most of you guys probably know your wife can hear better than we can! ;) I have mentioned this to the dealer during the Toyotacare check and they claim they can't hear any noise after a test drive. I suspect it is the window seal and I will remind them again at my next check.

We bought a new 2007 Toyota Solara XLE (2 door) and it had water leaks in the door seals where the doors closed against the rear partition. We had to stay on the dealer on that one but after two sets of new door/window seals it finally corrected the problem.

Buy a Sorrento? Not in my opinion the best option. We tried one in 2015 when Consumer Reports listed it as the #1 mid-sized SUV but felt it didn't compare to the Highlander. The Highlander isn't perfect but has been a good all around vehicle. I have been very pleased with what I consider excellent gas mileage for the size of the vehicle.
 

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I do have Sienna 2017 I bought it brand new from the dealer and I do have noise issue too, it seems Toyota is not good in the noise issue, and donot expect the dealer to admit the noise issue, he will keep claiming nothing is wrong, the moment you bought the car you have to live with it.
 

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I do have Sienna 2017 I bought it brand new from the dealer and I do have noise issue too, it seems Toyota is not good in the noise issue, and donot expect the dealer to admit the noise issue, he will keep claiming nothing is wrong, the moment you bought the car you have to live with it.
Wonder if the 2019 Accoustic windshield and front side windows help with the wind issue?
 

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I came to a 2019 Hybrid Highlander from a 2008 Hybrid Highlander. Honestly, I don't notice any unacceptable wind noise at highway speed. On the 2019 or or the 2008. Of course, I don't have a Volvo or Rolls to compare it to, but I have no complaint. My motorcycle group has a tread come up every now and again about wind noise and how this or that windshield or angle of is bad or good blah blah blah...my answer to that is You're on a Motorcycle!!!
 

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Dealer replaced front doors and windows seals to fix wind noise issues on my 2017 highlander,....
It made no difference.
Wind noise is probably caused by the aero design of highlander after 2016 models.
 

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I have absolutely noticed this noise on my 18 xle. like most others I have owned many cars, suv’s, even $3000 beat up cars in college days.
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You and I were very fortunate. My sister had an Impala ($800), drove nice except the front floor pans (left & right) were covered by plywood with sections of exhaust pipe hanging with coat hangers... and back then she was studying in Buffalo NY.

Anyhow, my 2016 HL the only time has that faint wind noise is if the wind is strong and blasting from ~10 O'clock direction which disappears as soon as I make another curve change direction. In my case, I know the noise is from that driver-side triangular black cover/trim for the side mirror.
 

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You and I were very fortunate. My sister had an Impala ($800), drove nice except the front floor pans (left & right) were covered by plywood with sections of exhaust pipe hanging with coat hangers... and back then she was studying in Buffalo NY.

Anyhow, my 2016 HL the only time has that faint wind noise is if the wind is strong and blasting from ~10 O'clock direction which disappears as soon as I make another curve change direction. In my case, I know the noise is from that driver-side triangular black cover/trim for the side mirror.
Same here I feel it coming mostly from that triangle, I can see the rubber is not perfect st that spot, I am just surprised how Toyota didnot solve this issue as it seems a known issue.
 
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