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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.

1956 Corvette SR-2 factory racer profiled

The Chevrolet Corvette has earned its place as America's sports car, capable of taking on the best the world can throw at it. Much of that winning reputation was earned with victories on the track. Now, there was a chance to own an early piece of the nameplate's motorsport history in the form of a 1956 Corvette SR-2 racer, but some deep pockets were necessary to get it, with an estimate of $6.885 million. The story behind the SR-2 is fascinating. In 1956, famous General Motors designer Harley Earl's son was racing in a Ferrari. Obviously, that wasn't going to work given his father's position within the automaker, and Harley and Corvette engineer Zora Arkus-Duntov got to work on a faster racecar. Three were made. This one was reportedly the first, and for 1957 it also received a fuel-injected V8 making a claimed 331 horsepower and four-speed manual gearbox, according to "Corvette Mike," the owner and seller. The SR-2 went on display in Scottsdale, AZ appropriately timed to coincide with the big Barrett-Jackson auction there that wrapped up this weekend. The car wasn't part of that event; instead marque specialist Mike Vietro sold the racer as a private treaty sale. Company spokesperson Troy Worrell told Autoblog both the bids and identities of the bidders will remain undisclosed. The video above goes into even deeper detail about this rare, finned Vette or check out the car's full description for even more info.

General Motors shaking up its marketing... again

One of the things that dogs the full comeback of General Motors is the instability of its marketing. That part of the automaker got yet another big shakeup today when GM confirmed what I have been tweeting for a few days - strong rumors that the Chevrolet and Cadillac ad accounts are walking to new ad agencies.
Cadillac, GM's luxury brand, is going into review from Fallon Worldwide, Minneapolis and the indications are that Campbell-Ewald, Chevy's old ad shop, will end up with most or all of it. C-E just announced that it was moving from its long-time home in Warren, MI to a new downtown Detroit office next to Ford Field, just blocks from GM.
The other shoe to drop shortly will be the shift of GM's most important brand, Chevy, from Goodby, Silverstein & Partners of San Francisco to McCann-Erickson of Troy, MI. McCann used to be the agency for Buick and GMC, as well as GM's corporate advertising, and has retained some pieces of business over the last few years. Sources have even told us that it was McCann that did a lot of the creative work on Chevy's new ad platform, Find New Roads. (Not to be confused with a former McCann tagline for Saab, "Find Your Own Road.")