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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.

GM plans to sell the Chevy Tahoe and Cadillac Escalade in China

General Motors Co plans to sell full-size sport-utility vehicle (SUV) models in China for the first time, and will import a range of models to beef up its product lineup into the world's biggest car market, its China chief told Reuters. The plan would mark a change of tack for GM, which currently produces all of the vehicles it sells in China within the country, which is set to be the only major economy to grow this year amid the COVID-19 pandemic. GM, China's second-biggest foreign automaker, is aiming to offer four models as it looks to improve its brand image and support a sales recovery: Chevrolet's Tahoe and Suburban, Cadillac's Escalade and the GMC Yukon Denali. The Detroit-based company is showcasing those models at the China International Import Expo, or CIIE, an annual import show in Shanghai which started on Wednesday and runs into next week. "Our intention is to get customer reaction and find a way to sell these cars in China," said GM's China chief Julian Blissett. The automaker sees opportunities for such vehicles, partly because Chinese families are expanding, he added. "We are looking into a variety of market sales plans for these vehicles, including online sales, leasing and others," he said, declining to give a detailed timeframe for the plan. GM's Buick and Cadillac mid-size SUVs helped the group's Chinese sales grow 12% in the third quarter this year, the first quarterly growth in the past two years. But it does not have full-size SUV models, which usually have a third row of seats and has room for six or seven people. BATTLEGROUND China, where over 25 million vehicles were sold last year, is a crucial battleground for global automakers including Volkswagen AG, the biggest foreign player by sales volumes, GM and Toyota, as well as local leaders Geely and Great Wall. The country has seen auto sales pick up in recent months following a COVID-19-induced slump, and authorities say they have largely brought the epidemic under control following its emergence in the central city of Wuhan at the end of last year. The expansion plan would also mark GM's first official sales in China of GMC vehicles, a premium brand in the group. Previously GMC vehicles were only sold in the country via unofficial grey importers. The imports will, however, not change GM's basic production strategy in China. It will still mostly sell vehicles made in China - for now, at least. "Depending on however we go we might make other decisions," Blissett said.

2014 Chevrolet Silverado and GMC Sierra show all their sides in Detroit

There could hardly be more riding on the next-generation General Motors full-size pickup trucks, so the automaker has wisely made sure to have a selection of different models on hand at the Detroit Auto Show to show off. The 2014 Chevrolet Silverado and 2014 GMC Sierra were both officially introduced last month at a stand-alone reveal, and now they'll be on display for the public to see in various body configurations and trim levels.
The Silverado LTZ Crew Cab and Sierra SLE Extended Cab are aimed at providing more of a high-end pickup experience, while the Silverado LT Z71 Extended Cab and Sierra SLT Z71 Crew Cab should have off-road fans scouting out their favorite trails. The crew cab trucks won't go into production until sometime during the second quarter of this year - with other bodystyles coming later in the year - but we have plenty of live images from Detroit for you to enjoy.