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GM recalls 55,000 trucks, SUVs for separating axles, fuel pump failures

General Motors issued four separate recalls covering eight of its truck and SUV models for issues related to fuel pump and half-shaft failure. In total, the four campaigns include more than 55,000 vehicles spread out over three brands and six model years, but they've sorted themselves neatly into two categories. Let's dive in.  Axle separation Four models are being recalled for potential axle separation: The 2023 Cadillac XT5, 2023 GMC Acadia, 2023 Chevy Blazer and 2023 Chevy Traverse. The number of units affected is incredibly small (10 units each times two recalls, for a total potential population of just 20 cars). In each case, a small number left the factory with half-shaft assemblies that may have been missing the retention rings that keep them in place, possibly allowing the axles to separate or eject from the transmission. In the case of the XT5 and Acadia, it's the right-side axle assembly; Chevy dealers, however, will have to check the left side.  Fuel pump failure Again, we have multiple vehicles being recalled for similar issues, but in this case they're a bit more distinct. The first of these recalls covers the 2021-2022 Chevy Equinox and 2022 GMC Terrain. GM says a supplier-initiated change may have led to fuel pumps shipping with inadequate clearances to allow for the prescribed flow of fuel, meaning the pump could starve the engine. Customers experiencing the issue may see a check engine light and experience engine hesitation. In some cases, the cars may not start at all. Chevy and GMC will replace the units in question with correctly specified pumps.  The second recall covers a fairly specific cross-section of GM's HD truck lines. 2017-2019 Silverado and Sierra HD trucks sold with the diesel engine and a dual-tank configuration may have shipped with a rear fuel pump that is susceptible to fouling by debris, preventing fuel from properly transferring to the front tank, or, in extreme cases, resulting in a collapse of the rear tank. This issue can lead to inaccurate/erratic fuel tank readings, engine hesitation, a check-engine light or failure to start.  In both cases, GM will inspect and replace faulty units free of charge for customers. Expect notifications to be delivered by March.  Related video: Recalls Cadillac Chevrolet GMC Ownership Safety Truck SUV

2024 Chevrolet Silverado EV output jumps to 754 hp and 785 lb-ft

A couple of days ago, GMC unleashed its 2024 Sierra EV Denali Edition 1 pickup, the luxury truck division's version of the 2024 Chevrolet Silverado EV. As has been the case between Chevy and GMC for decades, GMC designers worked to put ample visual difference between the two pickups that share the similar underpinnings. Unlike what's been the historical case, GMC announced output figures for the Sierra EV well above those for the Silverado. Preliminary estimates for the battery-electric Sierra with the dual-motor powertrain are 754 horsepower and 785 pound-feet of torque. Chevy revealed the 2024 Silverado EV in January with 664 hp and 785 lb-ft in RST trim. We're not sure what happened after the GMC debut, but the Bowtie has updated the Silverado's output to match the GMC with 754 hp and 785 lb-ft. Chevy truck communications spokesperson Sean Szymkowski submitted a statement to various outlets explaining, "As we prepare for production of the Silverado EV, our engineering team has further refined the estimated performance specs for the 2024 Chevrolet Silverado EV RST First Edition. GM now estimates horsepower to be up to 754 and torque up to an estimated 785 lb-ft when Wide Open Watts mode is engaged." It's possible Chevrolet did so in order to forestall backlash about the disparity, or it's possible the automaker already planned to do so after the GMC dropped. On the ICE side, buyers have got used to powertrain parity, the Silverado and Sierra offering the same engines with the same outputs even with pricing about $3,600 apart on the respective top trims. No matter how the decision was made, the benefits redound to Silverado EV buyers. By the way, the "Wide Open Watts" reference refers to the driving mode required to extract these peak power figures. In the GMC Sierra EV, this is called Max Power Mode. We're still looking for clarity on the output figures in everyday driving modes, we believe those will be the same 510 hp and 615 lb-ft that's the maximum in the lower trim Silverado EV Work Truck.    With a year to wait before the Silverado RST EV reaches reservation holders, and with the Chevrolet Work Truck providing real-world feedback before the RST arrives, don't be surprised at more tweaks made to both the Silverado and Sierra EVs before they hit the market. Related video: GMC reveals the all-electric 2024 Sierra EV

Chevy 'committed to marketing Bolt the right way'

The 2015 edition of the annual AltCar Expo in Santa Monica, CA in September was a relatively quiet affair. Attendance felt light compared to previous years. But that didn't mean there wasn't something happening that might have just as big an impact on the plug-in scene as anything that's ever happened in previous years at the Santa Monica Convention Center. I say this because of what GM's Shad Balch told me about Chevy's plans to market the upcoming Bolt electric car. This is GM's next-gen electric vehicle, which will have a roughly 200-mile range and may cost about $30,000 after tax incentives (maybe). To say he's excited to start selling this car is an understatement. Set aside the obvious challenge Chevy will have with cars named both the Volt and the Bolt, especially when some languages exchange the pronunciation of the letters B and V. Set aside the fact that, for now, Balch is dealing with his own company actively advertising against the product he's trying to get people excited about. Balch, GM's manager of new product and public policy communications, is tremendously positive about the Bolt's chances in the marketplace when it arrives in 2017 or 2018. "Driving an EV is, in every proof point, better than a gas-powered car, except for charging." - Shad Balch AltCar and the concurrent National Drive Electric Week represented the Bolt's West Coast debut, and Balch told me that the car's arrival in California shows how "Detroit recognized that they need to send it out to their number one market." The car's appearance outside of the Motor City was "The most encouraging part for us out here, being in the market ... to be able to explain that we are committed to marketing this car the right way. ... We're trying to make that known as much as possible, because that is the number one criticism that we hear. That's why events like these are so important, because we can't wrap up into a 30-second spot what these cars are capable of. I can't even explain it to you in 10 minutes what it's like. But the thing is, driving an EV is, in every proof point, better than a gas-powered car, except for charging." Now, there's a fairly decent chance that GM will hit the 250,000-vehicle limit for the $7,500 federal tax incentive right about when the Bolt comes to market, so I had to ask how the Bolt gets marketed if the price tag jumps up a few thousand dollars. Balch was straightforward. "Well, we would sell fewer cars," he said. "It's pure and simple. ...