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GM Recalling Another 2.7 Million Vehicles In Five Separate Campaigns

The recalls keep rolling in from General Motors, evidently keen to avoid repeating the mistakes of the ignition-switch debacle and clean house. This time they're all coming at once, with five separate recalls announced together covering approximately 2.7 million vehicles. The largest of the five actions involves over 2.4 million units of the previous-generation Chevrolet Malibu and Malibu Maxx, Pontiac G6 and Saturn Aura in order to fix brake light wiring harness, which have been found to be susceptible to corrosion. The recall is separate from the 56k Aura sedans which GM recently recalled over faulty shift cables, not to mention the previous massive recall of 1.3 million vehicles – some of them the same models – but appears to have resulted from the National Highway Traffic Safety Administration investigation that started with the G6 almost a year ago. The second-largest campaign involves the 2014 Chevy Malibu, specifically those fitted with GM's 2.5-liter engine and stop/start system, approximately 140,000 examples of which has been found to have problematic brakes. The issue does not appear to be connected to the recall of 8k Malibu and Buick LaCrosse sedans (also involving brake woes) which we reported upon last week. Four crashes have been reported in such models, but GM admits it's not yet clear if the problem was a contributing factor in the accidents. A further 112k Corvette models from the 2005-2007 model years are being called in for problems with their low-beam headlamps resulting from a flexing relay control circuit wire that's not meant to bend. GM says it is "aware of several hundred complaints" about this issue, but notes that there have been no reports of related accidents. In addition, over 19k examples of Cadillac CTS from the 2013 and 2014 model years are being recalled over windshield wipers that might not work after a jump start. Finally, GM is also bringing in 477 examples of its 2014 Chevy Silverado, Tahoe and GMC Sierra (though not the Yukon) to fix a problem with a tie rod in its steering rack. As ever, all recall repairs will be performed free of charge, and GM is now estimating that recall-related actions this quarter will result in an estimated $200-million charge against its second-quarter earnings. Read the full announcement from GM below for further details.

Chevy Sail 3 lands in China

Shanghai General Motors took 32 cars to this year's Guangzhou Motor Show, with its Chevrolet Sail 3 leading the way. After putting almost 1.4 million of them into Chinese hands, the third generation of the Bowtie's entry-level sedan wants to "take the nameplate and the segment to a new level." Its new architecture sporting a 1.4-inch longer wheelbase supports a growth spurt of two inches in length and 1.8 inches in width. The exterior also gets "eagle eye-shaped" headlights and "dual-c-element taillights." Under the hood will be either a 1.5-liter DVVT or a 1.3-liter VVT, each of them more powerful and more frugal than previous offerings. Both can be paired with a manual or an automatic transmission, and qualify for listing in China's National Energy-Saving and Eco-Friendly Vehicle Catalogue, as well as a 3,000 renminbi rebate ($490 US). You can read more about it in the press release below, and get more info on the Chevrolet Camaro RS Limited Edition, Corvette Stingray Coupe, Buick Regal GS and Excelle XT also introduced at the show. Chevrolet, Buick and Cadillac Take Center Stage at Guangzhou Auto Show - New Chevrolet Sail 3, Camaro RS Limited Edition and Corvette Stingray Coupe make China debut - Buick showcases customized Regal GS and Excelle XT - Shanghai GM announces new telematics strategy featured in upcoming Cadillac product GUANGZHOU, 2014-11-20 – Shanghai GM is displaying 32 vehicles from the Chevrolet, Buick and Cadillac brands at the 12th Guangzhou International Auto Show, which begins today and runs through November 29 in Guangzhou. Among the products that are making their China debut are the third-generation Chevrolet Sail 3, Chevrolet Camaro RS Limited Edition and Chevrolet Corvette Stingray Coupe. In addition, Buick is showcasing a customized Regal GS and Excelle XT, and Shanghai GM is announcing its new telematics strategy that will be featured in an upcoming Cadillac product next year. Chevrolet Sail 3 Entry-Level Family Car Since its introduction 15 years ago, the Sail has been a driving force in the entry-level family car segment. Nearly 1.4 million Sails have been sold across China. The third-generation Chevrolet Sail, named the Sail 3, will take the nameplate and the segment to a new level when it goes on sale nationwide by the end of this year. Built on Shanghai GM's new-generation small car architecture, the Sail 3 has adopted Chevrolet's new design language. It has a sculpted yet slim exterior with a youthful, dynamic feel.

GM exploring ways to raise half-ton Duramax diesel tow rating

Lots of truck owners cheered when GM announced fuel economy numbers for the 2020 Chevrolet Silverado with the 3.0-liter Duramax diesel inline-six. Even after Ram let loose its EPA mileage ratings for the 2020 Ram 1500 EcoDiesel, the Chevy oil-burner still took the trophy. The victory was years in the making, GM engineers spending an entire four-year development cycle refining the LM2 Duramax to increase mileage. The tradeoff, as well all know by now, is towing; the Duramax in half-ton duty pulls a maximum 9,300 pounds in the Silverado. Rivals across town can do more, the Ford F-150 PowerStroke rated at 11,500, the Ram 1500 EcoDiesel game to pull 12,560. GM engineer John Barta told Muscle Cars & Trucks that more hauling chops could be on the way, explaining, "We’re actually looking at upgrading some of the materials around (the engine bay) to see if we can maybe raise our tow rating." Engine bay materials are at issue due to thermal complexities underhood. John Barta, GM's assistant chief engineer of diesel engine controls, said the Duramax's inline-six configuration allowed engineers to get emissions hardware like the combined selective catalytic reduction, diesel oxidation catalysts, and diesel particulate filter unit closer to the engine, where it heats up quicker, getting emissions down quicker. But that filter puts another heat source in those confines, enforcing a cap on the tow rating to keep the engine and other systems from overheating. "If you look under the hood," he said, "youÂ’ll see a significant amount of silver ‘moon tapeÂ’ around to make sure things arenÂ’t getting overheatedÂ… if we were to go up in higher towing, which we can, we start impacting the possibility of deteriorating some of the components.” There isn't much space for more grille, so swapping for a better grade of "moon tape" or a different kind of material could reduce engine bay heat, extracting a higher tow rating in the process.  It's important to note a point Barta's been making for months about the Duramax figures, though. "Even though itÂ’s nice to brag about big numbers, in reality, light duty customers are not towing that large with their trucks," and, "We do know that (95 percent) of our light duty customers donÂ’t tow over 9,000 pounds." On our First Drive of the 2020 Silverado diesel we called out the tow rating, but emphasized that the Chevy and GMC have more important challenges to overcome.