2015 YUKON NOISE IN CABIN

[John Dell]

I'm guessing that those who have zeroed in on the roof sheet metal being thinner and thereby susceptible to creating a hormonic oscillation at highway speed have nailed the problem. It seems to me that other than re-skinning the roof with thicker metal there's only a few possibilities. One, as someone else suggested, spray the underside with material such as used for spay-in pickup bed liners. Would be very labor intensive and messy if not done with care though. Another, I think it would probably be impractical to space additional bows between present bows but that would probably correct the problem if it could be done. Or, run two rigid supports the length of the underside of roof to put an end to this harmonic oscillation. Of course, all this would have to be affixed to the underside of the roof with some sort of laminate or glue. However, because the problem exhibits itself on a small percent of vehicles there may also be a process control issue at work too.

I believe some people here had their roofs fixed while others yet have had there's checked and with roofs properly glued still report the same problem. Is this correct?

[Elripster]

To add, mine were fixed, problems went away, came detached again, problems came back.

 

I am not 100% convinced that everyone who had the TSB and still has the issues has actually verified their roof bows are attached. If a tech inspected them, did said tech go for a drive on the freeway with the headliner out and actually verify no movement in the roof or just look at the roof while it was at rest? Did the owner shut a door and see if the roof jumps? Or pound the roof and see if the whole expanse resonates? These things can verify that the roof is in fact still attached and if so can verify that despite attached roof bows the problem still exists.

 

Frank

[FogDucker]

Mine were inspected and found to be intact. It has buffeted from the day 1.

 

I can't speak to the methodology that the technicians used, but I do know that there were at least two. One was an Ontario based field engineer and the other was from Michigan, sent to work on my case.

 

The fact that they returned my Yukon to me as "fixed" tells me that they either can't hear the booming/buffeting or that they've done all they can.

 

Either way, I've just become very pessimistic that this will be fixed and that I don't have the long term vehicle I thought I bought.

 

Very disappointing.

Edited January 13, 2016 by FogDucker

[Snoringbear]

Well then, appears to me that the only recourse is to go down the repair path until the problem is fixed or until the Lemon Law requirements are met. Then, cash out.

[16Denaliguy]

What can't be explained is that we still have the buffeting even though the roof has been foam shimmed to the roof bows ,glued to the max and with 2 layers of dynamat STILL has the buffeting and booming, Something is not right with mine anyway. It's more evident in the drivers seat than anywhere else in the Denali.

 

It's too funny when family, friends and the tech's ride in the vehicle and say they cannot hear or feel anything. Then they drive it and say "oh yeah I hear and feel it now, that's not good".

[FogDucker]

Well then, appears to me that the only recourse is to go down the repair path until the problem is fixed or until the Lemon Law requirements are met. Then, cash out.

 

Agreed. And it starts with me putting my snow shoes up for sale!

[boazEarl8]

Ouch, sorry to see you (eventually) go, Marc, your work here has been very valuable

 

Someone had asked about Canada, read this when you have time ... took him over a year, no response so he just took the hit and got into a Mercedes

 

http://www.cadillacforums.com/forums/cadillac-escalade-esv-forum-2015/635369-finally-made-service-appointment-multiple-issues-27.html

Edited January 14, 2016 by boazEarl8

[ajs800]

I've read where 2 other folks have gotten a return notice from NHTSA, maybe a good thing. I made a complaint on another thread and also received a notice from NHTSA today. The press visibility with the GM fullsize SUVs may have caused NHTSA to assign someone to now follow-up.

 

 

Hello

 

I work for National Highway Traffic Safety Administration (NHTSA) at the Department of Transportation. It is my job to follow up with vehicle owners when they have motor vehicle issues that are submitted on the NHTSA (http://www.nhtsa.gov/) or safercar.gov websites .

 

We would like your permission to share information regarding your complaint, including your vehicle identification number (VIN), with General Motors.

 

Thank you for your assistance.

 

 

Robert Caple

BLF Technologies Inc.

on assignment with National Highway Traffic

Safety Administration, U.S. Dept. Of Transportation

202.366.0864

 

 

For what it's worth, I received same email yesterday and responded with an approval to share with GM.

[Wrench589]

To add, mine were fixed, problems went away, came detached again, problems came back.

 

I am not 100% convinced that everyone who had the TSB and still has the issues has actually verified their roof bows are attached. If a tech inspected them, did said tech go for a drive on the freeway with the headliner out and actually verify no movement in the roof or just look at the roof while it was at rest? Did the owner shut a door and see if the roof jumps? Or pound the roof and see if the whole expanse resonates? These things can verify that the roof is in fact still attached and if so can verify that despite attached roof bows the problem still exists.

 

Frank

I'm not 100% sure that visually seeing the roof skin bounce when a door if closed is proof of the source of the buffeting. Case in point.... A colleague at work drives a 2009 Trailblazer. The roof jumps like crazy when a door is slammed shut. The vehicle exhibits absolutely zero booming, droning, or buffeting sounds at any and all speeds.

 

My company 2009 Ford Explorer also shows the roof bounce when a door is slammed. No buffeting.

 

Granted, different vehicles, different size roofs, different aerodynamics....the differences are endless. But what is the same is bouncing roof, yet not all bouncing roofs equal buffeting.

 

Just saying.....

[Elripster]

You misunderstand my point. The roof jumping means it is not attached. Secondly, our roofs are much larger and thinner than the older vehicle you mention and thus require more bracing not to buffet. You might have a vehicle that for whatever reason does not excite the thin roof but it would appear in our case there too many disturbances to have an unrestrained roof and no buffeting.

 

Sent from my SM-N910V using Tapatalk

[Zig10]

Interested in hearing from those that have been through the buyback process. Were you charged with a usage fee? How many miles on your truck when you returned it, and what were you charged for the usage fee?

I contacted the dealer with around 200 miles on my car to let them know something was wrong. By the time they finished all of the "fixes", jumped through all the hoops, and convinced GM that it could not be repaired the vehicle had close to 1500 miles on it. The swap to the 2016 model was straight up, no money out of my pocket whatsoever. Even if they did try for a mileage penalty it would have only been charged to the initial 200 miles, which would have hardly been worth the aggravation.

[yahtzee]

Tomorrow is 5 months from the day I took delivery. My dealer has been great to work with. I have been compensated over these 5 months accordingly but ultimately just want a Yukon Denali that drives right. Thought we had one ready to be brought to my dealer via flatbed but my Service Mgr happened to be at that location last night and drove it. Said it vibrated pretty bad so that one is out.

 

Not sure folks know but when GM does a straight buyback and gets you into another vehicle they do so at DEALER COST. My lease essentially disappears and I get all monies put down, refunded. The problem is there is a dealer about 80 miles away from me that has 2 identical Yukon's I would take but he isn't willing to sell them at dealer cost. He is willing to sell them to me at supplier pricing (about $1000 difference). He also isn't willing to trade with my dealer as he says he will sell 5 white ones to 1 black one (I came into this wanting white). The dealers hands are so tied when it comes to solving these issues (especially since there isn't a fix) and GM's hands are so tied when it comes to getting a vehicle into my hands to make this potentially go away. They have pushed for me to just order one but my concern is waiting another 2 months only for it to arrive vibrating and buffeting.

 

What. A. Ride.

[wiseasp]

My 2015i Escalade ESV with 5000 miles goes in tomorrow for a list of problems. One being the roof buffeting. I can push on the rear roof by the window easy, BUT right above the rear passengers door the WHOLE roof can be pushed in. Close the door and the whole thing jumps. This has to be where the noise is coming from. I did a GM buy back in 2008 on another Escalade. I will do it again if need be...

[Anon2015]

So, according to GM, 40 engineers working on the problem. Here's how that gets decoded:

 

1. The Engineers know what the problem is and have a fix;

2. The spreadsheet lads are saying no, no too expensive find another way;

3. The ivory tower hasn't decided who to blame and then suggest an alternative career.

[Zig10]

Tomorrow is 5 months from the day I took delivery. My dealer has been great to work with. I have been compensated over these 5 months accordingly but ultimately just want a Yukon Denali that drives right. Thought we had one ready to be brought to my dealer via flatbed but my Service Mgr happened to be at that location last night and drove it. Said it vibrated pretty bad so that one is out.

 

Not sure folks know but when GM does a straight buyback and gets you into another vehicle they do so at DEALER COST. My lease essentially disappears and I get all monies put down, refunded. The problem is there is a dealer about 80 miles away from me that has 2 identical Yukon's I would take but he isn't willing to sell them at dealer cost. He is willing to sell them to me at supplier pricing (about $1000 difference). He also isn't willing to trade with my dealer as he says he will sell 5 white ones to 1 black one (I came into this wanting white). The dealers hands are so tied when it comes to solving these issues (especially since there isn't a fix) and GM's hands are so tied when it comes to getting a vehicle into my hands to make this potentially go away. They have pushed for me to just order one but my concern is waiting another 2 months only for it to arrive vibrating and buffeting.

 

What. A. Ride.

My dealer explained the same situation to me. Fortunately, the one they found to replace mine was from a "cooperating dealer" that they work with often, so the swap went straight through. I definitely got lucky.