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GM re-recalls 11k SUVs

General Motors is recalling a bunch of previously recalled SUVs because, well, they still aren't quite fixed. The latest repairs are necessary on 10,974 SUVs in North America, including 9,932 in only the US. Affected models include the 2006-2007 Buick Rainier, Chevrolet Trailblazer, and GMC Envoy; plus the 2006 Trailblazer EXT and Envoy XL. While not listed by NHTSA, a statement by GM to Autoblog says the 2006-2007 Saab 9-7X and Isuzu Ascender are also affected. In these SUVs, it's possible that liquid could get into the driver's door master power window switch module and cause a short circuit. This could potentially lead to a fire, and owners are urged to park the vehicles outside until repaired. GM has been trying to fix this issue for years. It started as an investigation into fires, and that led to a recall for about 250,000 vehicles in cold-weather states. A nationwide campaign came in 2013 for 193,000 of them in the US. Last year, the automaker decided to replace the whole module as a repair. However in a recent investigation of these recalls, GM discovered that this latest group of SUVs never received the new part. According to documents submitted to NHTSA (as a PDF), "Some dealers incorrectly used the labor code associated with module replacement when, instead of replacing the module, they only added a protective coating to the module." To fix things this time, the models finally get the correct component. Related Video: GM Statement General Motors is recalling 9,932 older midsize SUVs in the U.S. because they were mistakenly excluded from an earlier recall. Certain 2006 Chevrolet TrailBlazer EXT and GMC Envoy XL, and 2006-2007 TrailBlazer, Envoy, Buick Rainier, Saab 9-7X and Isuzu Ascender vehicles may continue to have a condition in which the printed circuit board inside the driver's door may corrode and short if exposed to certain fluids such as melted snow containing road salt. GM is aware of four fires but no crashes, injuries or fatalities associated with the expanded recall. The total number of vehicles being recalled, including Canada, Mexico and exports is 10.974. Customers are urged to park these vehicles outside until repairs have been made. GM reported this recall to the NHTSA on September 23.

'Killing a Duramax' Gale Banks YouTube series methodically tunes a diesel to death

Learning or perfecting a skill by watching YouTube videos is known as attending YouTube University. GM Authority picked up on one of the video site's more fascinating courses, hosted by Gale Banks; in a fair world, he should be referred to as Professor Banks when it comes to diesel engines and truck tuning. A few months after GM introduced the updated L5P 6.6-liter Duramax diesel V8 in the 2020 Chevrolet Silverado HD and GMC Sierra HD that ships with 454 horsepower and 910 pound-feet of torque, Banks decided he wanted to methodically tune the engine to death. The purpose of the resulting series, called "Killing a Duramax," is to push more power out of the engine in order to discover which parts break and when — or, as Banks puts it, force-feed the Duramax "until the crank hits the street and the heads hit the hood." With that knowledge, Banks can figure out all the weak points on his way to building what he calls a "Superturbo," that being a supercharged, twin-turbo race engine with more than 1,000 hp. What makes the series fascinating is Banks' knowledge, paired with the company's comprehensive iDash engine monitoring system that keeps tabs on a glut of parameters every step of the way. So for instance, you get Banks explaining the differences between inches of mercury and barometric pressure, how those are different from the water content of the air measured in grains, then showing those readouts on the iDash, then explaining in detail how they affect the air density in the Duramax system. The stock Borg-Warner variable turbo gets a lot of airtime — Banks accuses it of being "out to lunch" because he feels it's the weakest link on the engine. That turns into a turbo teardown and a deep explanation of performance pitfalls, such as when air pressure on the turbine begins to diverge from the boost pressure coming from the compressor. Banks says he can keep close tabs on where power's coming from, because the iDash monitors the horsepower contribution provided by the ambient air, the turbo, and the intercooler separately. The major changes so far are a stouter Precision 7675 turbo and TurboSmart wastegate (episode 5), a twin intake (episode 6), a custom liquid-cooled intercooler from a marine engine, a new GM oil cooler and synthetic oil (episode 10), and new injectors (episode 11).

Best pickup trucks for 2023

In 2023, it seems like there’s a pickup truck for everyone. This wasnÂ’t always the case, as it wasnÂ’t until fairly recently that the midsize truck segment started becoming competitive again, and even more recently that weÂ’ve got choices for economical compact trucks or cleaner electric pickups. As the diversity of choices continues to grow, so does the potential customer base for vehicles with an open bed. Whether youÂ’re looking for something luxurious to drive in style, an absolute workhorse to tow the heaviest of loads, something small and practical, or a dune-blasting monster, youÂ’ve got options. Whatever it is you need it to do, here are what we think are the best pickup trucks for 2023. Before we start really categorizing these trucks, let's go over the scores our editors have given the best-selling pickup trucks in America. Best Full-Size Pickup Trucks for 2023: 2023 Ram 1500: 9.0 2023 Ford F-150: 8.5 2023 GMC Sierra: 8.0 2023 Chevrolet Silverado: 7.5 2023 Toyota Tundra: 7.0 2023 Nissan Titan: 5.5 Best Midsize Pickup Trucks for 2023: 2023 Ford Ranger: 8.0 2023 Honda Ridgeline: 8.0 2023 Jeep Gladiator: 8.0 2023 Nissan Frontier: 7.5 2023 Toyota Tacoma: 7.0 It's worth noting that the Chevrolet Colorado and GMC Canyon were redesigned for 2023, and we like them quite a bit. We haven't yet been able to pass them around to all of our editors in order to give them official rankings, but we're certain they'll come out at or near the top. Now, remember what we said at the outset about there being a pickup truck for every buyer? Let's break it down.   Best luxury truck: Ram 1500 Limited With an exceptionally comfortable interior with high-quality materials, excellent fit and finish, plenty of space, useful technology and a wealth of convenience features, this is the cabin in which weÂ’d want to spend the most time. We especially like touches like the ventilated reclining back seat, clever storage and 12-inch vertically oriented touchscreen. All the American trucks can be ultra-luxurious, though. What really seals the deal for Ram is its choice of either coil spring or air spring rear suspension that provide unmatched ride quality, no matter which you choose. The 1500 Limited will truly keep you feeling kingly on those long hauls. Read our review of the Ram 1500.   Best truck for cowboys: Ford F-150 King Ranch (Honorable mention: Ram 1500 Limited Longhorn) Need a truck to match those new cowboy boots and shiny belt buckle?