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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.

Chevy to reveal new Spark in Seoul and New York

Chevy is preparing to roll out an all-new Spark next month, giving us a taste of things to come with the teaser image above. The new Spark is set to debut simultaneously at car shows in Seoul and in New York on April 2, joining the new Malibu that will also mark its debut at the Manhattan expo. Why introduce the new Spark at the same time in South Korea and in the US, you ask? Probably because those are the two biggest markets for Chevy's smallest car, accounting for the lion's share of the 1.1 million units sold in 71 markets around the world since its introduction in 2009. Chevy hasn't revealed much about the new Spark, except to say that its styling will be more sophisticated than the "youthful whimsy" of the current model. A Spark of Sophistication Chevrolet's redesigned global minicar to debut in Seoul and New York on April 2 2015-03-09 DETROIT – The all-new 2016 Spark will debut on April 2 at the Seoul and New York auto shows, Chevrolet announced today. A sleeker, more aerodynamic profile and a progressive take on Chevrolet's signature design cues will give the redesigned Spark a more sophisticated aesthetic that reflects the changing tastes of the global minicar market. "The new Spark's design has evolved and grown up with the segment," said Michael Simcoe, GM International vice president of Design. "The youthful whimsy of the original Spark is still in its genes, but it is conveyed in more traditional proportions that reinforce the customer's refined expectations." Chevrolet has sold more than 1.1 million Sparks around the world since it went on sale as the Beat in India in late 2009. Today, the Spark is available in 71 markets worldwide, selling the most in South Korea, followed by the United States and Mexico. Spark is attracting younger and first-time car buyers to Chevrolet with 26 percent being under the age of 35. Sales of the Spark in the U.S. are up 32 percent in the first two months of 2015 versus the same period in 2014. Founded in 1911 in Detroit, Chevrolet is now one of the world's largest car brands, doing business in more than 115 countries and around 4.8 million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature engaging performance, design that makes the heart beat, passive and active safety features and easy-to-use technology, all at a value. More information on Chevrolet models can be found at www.chevrolet.com.

Ford F-150 Raptor R, Kia Telluride and SEMA highlights | Autoblog Podcast #754

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and Associate Editor Byron Hurd. Byron has been sending the 2023 Ford F-150 Raptor R on the sand dunes of Lake Michigan. John has been off-roading in the updated 2023 Kia Telluride. Greg has been spending time in the Toyota Tacoma TRD Pro, Chevy Traverse High Country and Volvo V60 Cross Country. Next, they talk about the news, include SEMA highlights and the reveal of the 2023 Ford Transit Trail. Finally, they reach into the mailbag and discuss the Cadillac Celestiq's design. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #754 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving Ford F-150 Raptor R Kia Telluride Toyota Tacoma Chevy Traverse High Country Volvo V60 Cross Country 2023 SEMA Show highlights 2023 Ford Transit Trail revealed Mailbag: Cadillac Celestiq Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: