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GM recalls select Tahoes, Yukons, Escalades for rear driveshaft issue

GM is recalling a number of its full-size SUVs due to an issue with the rear driveshaft assembly that could ultimately result in driveshaft failure. The actual number of total vehicles involved in the recall is small at just 1,789, but it’s spread out across the entire 2021 model year full-size GM vehicle lineup. That means a small number of every model is being recalled, including the Chevrolet Tahoe, Suburban, GMC Yukon, Yukon XL and the Cadillac Escalade and Escalade ESV. GM traced the issue back to certain driveshaft assemblies with ball bearings that were not properly heat treated. If theyÂ’re not properly heat treated, GM says that the balls may deform over time, causing noise and vibration. Continue to drive in this condition, and GM says the affected joint in the driveshaft assembly could seize, causing loss of drive power. However, the problem wonÂ’t present itself all at once, as GM says there will be a gradual increase of noises and vibrations before total failure. For those few owners with affected vehicles, GM says that it will replace the left and right rear driveshaft assemblies with properly-built units. Per usual with recalls, this will be done at your local dealership at no cost to the owner. If you have one of the recalled SUVs, expect to be notified mid-March. Related video:

Hennessy wastes no time in supercharging the 2015 Cadillac Escalade

The ink is still drying on the all-new 2015 Cadillac Escalade sales brochures, but that hasn't stopped Texas-based Hennessey Performance (HPE) from leaping out of the gate with its own high-performance variant. In stock form, the big fourth-generation Cadillac flagship arrives with a new small block naturally aspirated 6.2-liter Ecotec3 V8 delivering 420 horsepower and 460 pound-feet of torque. Fresh out of the showroom, the 5,900-pound SUV will sprint to 60 mph in 5.9 seconds.
While that is plenty fast for some owners, others don't want to be shamed by a 550 horsepower Mercedes-Benz GL63 AMG or a 510 horsepower Land Rover Range Rover Sport - both will leave the stock Escalade at a stoplight.
The team at HPE has come to the rescue with its HPE550 supercharger upgrade, which includes a belt-driven supercharger, air-to-water intercooler, recalibrated engine management software and a three-year/36,000 mile powertrain warranty. With 6 psi of boost, the direct-injected 6.2-liter is tuned to deliver an impressive 557 horsepower and 542 pound-feet of torque - gains of 32 percent and 18 percent, respectively, over stock. Although HPE isn't releasing performance figures as of yet, our math says that should be enough power to put the two Europeans in the Cadillac's rearview mirror. The company also offers a set of 20-inch lightweight H10 forged monoblock wheels, to further improve performance.

About 150 Cadillac dealers would rather leave the brand than sell EVs

Dealerships might hamper GM’s plans to electrify its cars. Wall Street Journal tipsters claim that roughly 150 GM dealerships in the United States have decided to drop the Cadillac brand and accept a buyout (ranging from $300,000 to over $1 million) rather than spend about $200,000 to upgrade the dealerships with charging stations, repair hardware and other equipment needed to sell EVs. Many of these dealerships only sell a few Cadillacs per month versus more for Buick, Chevrolet and GMC, but itÂ’s still a significant blow when GM has 880 Cadillac dealers in the country. Cadillac brand leader Rory Harvey confirmed to the WSJ that GM was offering buyouts, but didnÂ’t say how many dealers took them or how much they were worth. The exodus underscores the challenges for conventional car brands as well as the potential advantages for alternatives like Tesla. As brands like GM are heavily dependent on dealerships, they have to please owners to have a chance of strong sales — and thatÂ’s difficult when theyÂ’re not certain about demand, even without the pandemic. Tesla and other direct-to-customer EV makers arenÂ’t bound by physical stores and already have the infrastructure in place for service centers. Dealers might not have much choice in the future. California is banning sales of new gas-powered cars by 2035, and that will likely force automakers to electrify no matter how dealership owners feel. The buyouts now arenÂ’t necessarily temporary, but we wouldnÂ’t rule out some shops having a change of heart as the effective EV deadline approaches. Related video: