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Fullsize GM SUVs have a problem that's making owners sick

Some fullsize SUV owners are getting sick, thanks to a buffeting and vibration problem in 2015 model year examples of the Chevy Tahoe and Suburban, Cadillac Escalade, and GMC Yukon. According to owners' complaints to the National Highway Traffic Safety Administration, the issue can vary from an annoying vibration inside the cabin to an experience so severe that it leads to dizziness and headaches. General Motors is aware of the complaints, but the fix isn't so simple. According to spokesperson Tom Wilkinson to Autoblog, the company "has been tracking this issue for a while." The problem has a fairly low incidence rate, but when it does occur the issue can be "uncomfortable and annoying for owners." There's no precise cause for the issue, Wilkinson claims, and in some cases, simply balancing the tires or changing the door seals can make it go away. However, not all of the fixes are so simple. AutoGuide dug deep into the problem and discovered a GM preliminary information bulletin that advised dealers to remove the headliner and to check the roof's bonds to the bows that go across the vehicle. However, that document included a note that the solution might not entirely eliminate things. According to AutoGuide, adding Dynamat insulation to the roof sometimes helped the problem. A GM spokesperson also told AutoGuide the company fixed the problem at the end of the 2015 model year, and didn't go into any more detail. This roof issue seems linked to some of the worst droning in these SUVs. According to one complaint from a 2015 Suburban owner to NHTSA: "Roof will not remain attached to the roof bows. This causes the buffeting similar to a window being down when all are up. The results span from annoying to painful." A 2015 Yukon owner claims to have another alleged cause for the problem in a NHTSA complaint from February 2015. This person brought their SUV to the dealer seven times over the course of four weeks for vibrations. The dealer replaced the driveshaft, suspension components, and more, but nothing worked. According to an engineer to the service adviser: "In an effort to prevent roll overs, they designed the frame and body mounts too stiff. There are 40 engineers working on issues, they have no solutions that work across the board." Wilkinson told Autoblog that GM is working with customers on an individual basis to rectify things. Since these are newer vehicles, dealers should also fix the problem under warranty.

First 2014 Chevy Corvette Stingray spotted crashed in the wild

This restyled blue 2014 Chevrolet Corvette Stingray is wearing manufacturer plates, and it appears to be the same one seen around the internet in various pictures lately. This crash is likely not part of the Chevrolet testing regimen, however. Digital Corvettes forum member gpetry posted the shot with a note: "got this picture e-mailed from a friend in Arizona last week..." No circumstances are given, other than the incident occurred in the thick of a set of curvy roads, and the coupe ping-ponged off a guardrail and into the rock wall. Hopefully everyone involved in the incident walked away.
It may not be a pretty thing to see, a crashed sports car that's not even available for sale yet, but rest easy. Many pre-production cars are used for development and then unceremoniously crushed and scrapped, anyway. If that's the case here, that makes this wrecked 'Vette less of a tragedy and more of a case of exceptional efficiency.

2018 Mazda6, Porsche Panamera and Nissan Titan | Autoblog Podcast #541

On this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Green Editor John Beltz Snyder and Associate Editor Reese Counts. We talk about driving the updated, turbocharged 2018 Mazda6, 2018 Porsche Panamera Sport Turismo 4S Sport Turismo and the 2018 Nissan Titan S 4x4 King Cab. We also discuss aftermarket parts for the Chevy Colorado, pick our favorite 50th Anniversary Hot Wheels and, as always, help a listener buy a new car in our "Spend My Money" segment. Autoblog Podcast #541 Your browser does not support the audio element. Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we've been driving: Mazda6, Porsche Panamera, Nissan Titan The aftermarket takes on the Chevy Colorado 50th Anniversary Hot Wheels Spend my money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: Aftermarket Podcasts Chevrolet Mazda Nissan Porsche Car Buying Truck Wagon Sedan Hot Wheels porsche panamera sport turismo