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GM opens official investigation into C8 Corvette transmission leaks

In March 2020, a month after Chevrolet began customer deliveries of the 2020 C8 Corvette, a GM dealer technician created a Reddit thread about a leaking gearbox in a Corvette with 32 miles. That car hadn't even been sold yet. Since then, as a search of "C8 Corvette transmission leak" shows, it's been tales of woe for some owners. Something in the Tremec TR-9080 transaxle in the back of the mid-engined Corvette doesn't work as it should, the fault able to cause codes that the transmission needs service, or that the driver needs to shift to park. In some cases, the battery would die because of follow-on issues after the initial transmission code, that code preventing the car from powering down. As Autoevolution reports, GM filed paperwork with the National Highway Traffic Safety Administration in August to look into what's going on. Between forum threads and GM's investigation document, there are several issues mentioned. The most common appears to be the dual-clutch transmission leaking fluid due to gasket failures like the one suffered by one owner at 858 miles, and another for an owner currently enduring a second leaking transmission. The Midengined Corvette Forum reported that Chevy engineers redesigned the TR-9080 pan, fitting Corvettes with the new unit at some point in the 2021 model year. The original pan was stamped steel unit affixed to the engine with two studs and 13 bolts, plus "reinforcement plates." The updated pan is said to be a cast aluminum unit affixed with two studs and 17 bolts, omits the reinforcement plates, and gets a new machined new groove around its edge to seat the gasket seal. The GM paperwork now at the NHTSA mentions a P1789 code, and says one reason for it could be "debris on the park position sensor magnet causing an incorrect position reading to the TCM." This might be caused by another issue mentioned in forums, which is clogged transmission filters. GM gives instructions for returning transmission filters to the company, and a poster on one forum said the Corvette tech at the dealer where he bought his Corvette told him the automaker "requires every used transmission filter to be returned to GM."  Whatever's going on, the problems haven't stopped, and they go beyond the P1789 code. Over the weekend, a 2022 Corvette owner posted on Corvette Forums that he got a check engine light on his car after just 850 miles.

GM and Ford quarterly sales continue to slump in China

BEIJING — General Motors and Ford announced their quarterly sales in China fell, albeit at a slower pace sequentially, as the U.S. automakers were hit by a slowing economy amid the Sino-U.S. trade war. GM's vehicle sales in China for the quarter ended June 30 dropped 12.2%, while Ford's sales slumped by 21.7%. While GM also suffered from heightened competition in its key mid-priced SUV segment, Ford was hurt by the limited new models for customers to choose from. For the first quarter of this year, Ford's sales in China tumbled 35.8 percent while GM's skid 17.5 percent. Still, the numbers from GM, the second biggest international automaker in China by sales, and Ford portend more uncertainty for the industry which is trying to rebound from a downward spiral that led to its first annual sales decline last year in more than two decades. GM delivered 1.57 million vehicles in China in the January-June period this year, while Ford delivered 290,321 vehicles. China's factory activity shrank more than expected in June, highlighting the need for more economic stimulus amid higher U.S. tariffs and weaker domestic demand. Annual car sales in China fell last year for the first time since the 1990s, and they are expected to fall this year too. Sales tumbled 16.4% in May from the same month a year prior, the China Association of Automobile Manufacturers (CAAM) said. That marked the 11th consecutive month of decline and followed falls of 14.6% in April and 5.2% in March. U.S. car companies' share of total China passenger vehicles sales fell to 9.6% in the first five months of this year from 10.9% in the year-ago period, according to CAAM. Over the same period, German car makers' share has risen to 23.3% from 20.9% and Japanese auto makers' to 21.3% from 17.3%. CAAM is set to announce June sales next week, which industry analysts forecast will be negative.   New models In China, GM has a joint venture with SAIC Motor Corp, in which the Buick, Chevrolet and Cadillac are made. It also has another venture, with SAIC and GuangxiAutomobile Group, in which they make no-frills minivans and have started to make higher-end cars. Sales of GM's affordable brand Baojun dropped 31.8% for the latest quarter. But luxury brand Cadillac's sales jumped 36.6%. GM sold 3.64 million units in China last year, down from 4.04 units in 2017. Ford makes cars in China through its joint venture with Chongqing Changan Automobile Co and Jiangling Motors Corp (JMC).

2016 Chevy Camaro coming on May 16

We officially have a date for the arrival of the sixth-generation Chevrolet Camaro. Fans of Chevy's Mustang fighter should look forward to May 16, and if they're in the Detroit area, they'll want to make their way down to Belle Isle, home of the Chevy Indy Dual in Detroit. We still don't have a great deal of information on the new Camaro, aside from what's been gleaned in spy shots and the like, although Chevy's press release was accompanied by the image shown above. That, friends, looks a lot like the Camaro's badge of old. Its presence here could be an indication that an old logo is set to return to production. That's because what Chevy is planning could best be described as a jamboree, or Camaro-palooza, if you prefer, rather than a typical unveiling. Chevy is inviting up to 1,000 Camaro fans to descend on Belle Isle for a day-long event that will offer up a lot more than their first look at the sixth-generation muscle car. Fans can hot lap the Belle Isle circuit from the passenger's seat of a new Z/28, check out a Camaro "museum," featuring "the most significant vehicles from the brand's history," and chat with some of the Camaro's designers and engineers. "This will be an event Camaro fans will not want to miss," Camaro marketing manager Todd Christensen said in a statement. "This is only the sixth time we have introduced an all-new Camaro. We wanted to share the moment with the customers and fans who have helped make Camaro both America's favorite performance car for the past five years, and a cultural icon since 1967." We'll almost certainly be on hand for the debut (and you'll absolutely be able to get all the details here). And as we said, if you happen to be in the Detroit area in mid May, you can register to attend the unveiling. All you need to do is head over to Chevy's dedicated website for the sixth-generation Camaro and sign up for the big event, on Saturday, May 16. Scroll down for the full press release. 2016 Camaro Drops Cover on May 16 in Detroit DETROIT – Chevrolet is inviting fans to see the all-new 2016 Camaro on Saturday, May 16, in Detroit. The sixth-generation Camaro will cap a day-long celebration on Belle Isle, the 982-acre island park that is home to the Chevrolet Detroit Belle Isle Grand Prix May 29-31. "This will be an event Camaro fans will not want to miss," said Todd Christensen, Camaro marketing manager. "This is only the sixth time we have introduced an all-new Camaro.