2015 YUKON NOISE IN CABIN

yukontruckman · July 11, 2016

6 dampers on my exhaust fixed the 'flick a woofer' booming at low speeds.

In my experience, I don't see how the exhaust system could be the cause of the low speed body booming. Please do post pics of the dampers when you have some time -- Thanks

Del Cee · July 12, 2016

Anyone figure out what to do with the harsh ride on the 22s. I even felt a hard ride on the 20s

Snoringbear · July 13, 2016

Anyone figure out what to do with the harsh ride on the 22s. I even felt a hard ride on the 20s

I think these trucks (2014 - 2016) are sprung a bit stiffer than previous years. That's the way it seems when I compare with my 2008 anyway. I have Wranger 20's on my truck. I've had Wranglers on other vehicles and while its a good tire it seems to ride rough to me. So, what I'm doing is set the tire pressure at 30psi cold all the way around. after only a couple of miles they're up to 32 and a few more miles they're at 34. So, no worries about being under inflated. As soon as these tires wear down a bit more I'm going to put Michelin LTX's on. Guess another solution would be to buy 18's.

Del Cee · July 13, 2016

The Yukon slt I test drove rode sweet. Anyone jus tried to remove a fuse for the magnetic ride to see if it would ride normal as a Yukon slt. Or even swap struts, of course the fuse is the cheaper way out if that works it's free. If it did I would jus put a switch on that circuit to cut it on and off when I please.

boazEarl8 · July 14, 2016

The Yukon slt I test drove rode sweet. Anyone jus tried to remove a fuse for the magnetic ride to see if it would ride normal as a Yukon slt. Or even swap struts, of course the fuse is the cheaper way out if that works it's free. If it did I would jus put a switch on that circuit to cut it on and off when I please.

People have tried the fuse, some report it works other reports say no difference

Shows you how each vehicle is truly a different set of circumstances

Are you getting the SLT? If it rode well, you should grab it quick.

Edited July 14, 2016 by boazEarl8

Del Cee · July 14, 2016

People have tried the fuse, some report it works other reports say no difference

Shows you how each vehicle is truly a different set of circumstances

Are you getting the SLT? If it rode well, you should grab it quick.

I'm guessing all the slt ride well. Am I wrong

The Zip · July 14, 2016

I'm guessing all the slt ride well.

You'll find problems in all of the brands and models, so I wouldn't say all SLTs ride well. But if you have an extended version, 6.2, Magnetic Ride, and 22s, any problems you have will probably be worse as compared to the standard version, 5.3, Premium Ride, 20 inch or less wheels.

Edited July 15, 2016 by The Zip

TOBTEK · July 21, 2016

I mentioned back in January that 20's were the answer on the Yukon Denali I purchased (May 2015) with less than 20 miles. I've asked several 2015-2016 Yukon owners about their cabin pressure. My experience seems to be consistent with other owners. Switching to 20's reduced and/or eliminated the problem. I have 18,000 miles on my SUV and don't have any pressure problems.

Our "rental" at the moment for the 2016 Escalade is Back in the shop, has 20" wheels. Has all the booming and Buffeting as our 22".

Tell ya what. Went and drove a 2016 Landcruiser today. Gotta honestly say, it doesn't look 1/2 as trick as the Escalade, but it rides 10x better with NONE of the booming, buffeting sounds.

Edited July 21, 2016 by TOBTEK

Gmjunky · July 21, 2016

Both, the 2015 (that got bought back) and the new 2016 both have the 20 and both have the same issues, booming and vibrating. Wheel size doesn't have anything to do with the issues.

So what does?

GM

Gmjunky · July 21, 2016

In my case as far as the booming goes, it depends how you, or at what point you catch the engine/chasi/wheels I don't know what.

At the same exact stop sign, accelerating to get on the freeway every other time or so, it will boom like a mother and nothing will make it stop, slowing down, accelerating more, nothing, it just keeps booming until a complete stop is made. Weird man, weird.

Hope they fix it on the 2017s cos I'm gone to start going back in for another buy back.

The Zip · July 21, 2016

...engine/chasi/wheels I don't know what.

Hope they fix it on the 2017s

GM doesn't know what hit them either. They would first have to know what the problem is, then decide to do something about it. GM profit margin more than doubled for this half of 2016, doing anything about the issue would cut into that margin. Senior execs and major shareholders are not going to allow that to happen. It would be more acceptable to the company to figure this out with a new roll-out, why fool around with those profit margins. This current roll-out took 8 years, I don't see a solution in 2017. For GM to do anything about these issues, the customer needs to cut into that profit margin. And as a customer I know the fix, get something else. As Tobtek put it, "LandCruiser may not be as trick as an Escalade, but it rides 10x better with no buffeting or booming".

Jbardram · July 22, 2016

GM doesn't know what hit them either. They would first have to know what the problem is, then decide to do something about it. GM profit margin more than doubled for this half of 2016, doing anything about the issue would cut into that margin. Senior execs and major shareholders are not going to allow that to happen. It would be more acceptable to the company to figure this out with a new roll-out, why fool around with those profit margins. This current roll-out took 8 years, I don't see a solution in 2017. For GM to do anything about these issues, the customer needs to cut into that profit margin. And as a customer I know the fix, get something else. As Tobtek put it, "LandCruiser may not be as trick as an Escalade, but it rides 10x better with no buffeting or booming".

We're both speculating but I believe they know what's causing the buffeting/booming. They've made some running changes to help mitigate but not solve the issues and I doubt those were guesses. I suspect the overall issue is a design flaw that, as you say, senior management and major shareholders would be opposed to fixing. We've also got decent sales numbers and weak competition working against us. That may change a bit when the new expedition/navigator come out next year, but the redesign for this generation is already underway and will be out not long after that. So long story short, I think GM gets away with it with minimal impact.

Snoringbear · July 23, 2016

We're both speculating but I believe they know what's causing the buffeting/booming. They've made some running changes to help mitigate but not solve the issues and I doubt those were guesses. I suspect the overall issue is a design flaw that, as you say, senior management and major shareholders would be opposed to fixing. We've also got decent sales numbers and weak competition working against us. That may change a bit when the new expedition/navigator come out next year, but the redesign for this generation is already underway and will be out not long after that. So long story short, I think GM gets away with it with minimal impact.

I'm curious. What are the running changes that have been made? The bows coming detached would obviously be a problem. I guess GM lost the formula on its 2014+ generation. Seems odd though as they've been building Suburbans since the 50's. My guess, in addition to the bow problem, has to do with the frame and the gauge of the skin. All of the truck companies have put a lot of engineering into improving their frames with hydroforming, boxing, etc. they're also under the gun to reduce weight so to improve mileage. Ford went with aluminum skin while GM stayed with steel, although a thinner gauge than previous generations. So, I think the GM rigid frame along with the thinner skin creates the higher resonance (booming) that previously would be absorbed and thereby go undetected. It's my guess the reason Ford apparently doesn't exhibit this problem is due to their aluminum skin which doesn't resonate like steel. I think We will see GM go to aluminum skin on their next re-tool. My two bits, keep the change

The Zip · July 24, 2016

I'm curious. What are the running changes that have been made? The bows coming detached would obviously be a problem. I guess GM lost the formula on its 2014+ generation. My guess, in addition to the bow problem, has to do with the frame and the gauge of the skin.

Gen 3 (06-14) was pretty decent. I agree with the piece about the bows, I believe this is the only obvious issue that GM really issued a fix for. The gauge may be thinner and there is less, but what I don't agree with the thinner skin causing the boom. The problem is somewhere in the length, suspension, engine, transmission, and wheels. Whether singular or in combination. There is definitely problems, folks posting negative comments don't work for another manufacturer, but I am not sold on a design flaw. I have been driving long enough to know if I was experiencing issues on this thread, just not happening. If someone having issues could ride in my truck they would also not be sold on a design flaw. And no, I don't work for GM. But what puzzles me is when similar trucks to mine (Tahoe LT) are having some of the problems on this thread. The wheels would be the only difference, cause the length/suspension/engine/ and transmission are the same. But if everything is equal, then it would be quality of part suppliers and the lack of quality control at the plant after my rollout. At some point in time, GM went to three shifts, my truck was built at the end of 2013 or early 2014 cause it was at the dealership in Feb 2014. Sales and three shifts may have caused GM to rush the product and not screen part suppliers and quality checks compared to when mine hit the street. But time will tell with the Ford/Lincoln rollout if GM sacrificed early quality ahead of later sales or if the other manufacturers copy GMs template of length, transmission, engine, suspension, wheels and their products begin to exhibit the same problems. Like BuyAmerican said though, this is all just speculation and this stuff may be on GMs radar.

Edited July 24, 2016 by The Zip

Snoringbear · July 24, 2016

Gen 3 (06-14) was pretty decent. I agree with the piece about the bows, I believe this is the only obvious issue that GM really issued a fix for. The gauge may be thinner and there is less, but what I don't agree with the thinner skin causing the boom. The problem is somewhere in the length, suspension, engine, transmission, and wheels. Whether singular or in combination. There is definitely problems, folks posting negative comments don't work for another manufacturer, but I am not sold on a design flaw. I have been driving long enough to know if I was experiencing issues on this thread, just not happening. If someone having issues could ride in my truck they would also not be sold on a design flaw. And no, I don't work for GM. But what puzzles me is when similar trucks to mine (Tahoe LT) are having some of the problems on this thread. The wheels would be the only difference, cause the length/suspension/engine/ and transmission are the same. But if everything is equal, then it would be quality of part suppliers and the lack of quality control at the plant after my rollout. At some point in time, GM went to three shifts, my truck was built at the end of 2013 or early 2014 cause it was at the dealership in Feb 2014. Sales and three shifts may have caused GM to rush the product and not screen part suppliers and quality checks compared to when mine hit the street. But time will tell with the Ford/Lincoln rollout if GM sacrificed early quality ahead of later sales or if the other manufacturers copy GMs template of length, transmission, engine, suspension, wheels and their products begin to exhibit the same problems. Like BuyAmerican said though, this is all just speculation and this stuff may be on GMs radar.

j

Nothing personal; but your posting makes my head hurt.