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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:

Cadillac CT6 V-Sport wants to take prisoners with 550-hp 4.2L TT V8

With the refresh of the Cadillac CT6 for 2019, Cadillac welcomes the first CT6 V-Sport as well as a new trim strategy. The changes at the front for the CT6 lineup don't appear substantial viewed head-on, one needs a side view to appreciate the greater three-dimensionality. Thinner headlights and a thinner bumper above a slightly larger lower front intake emphasize the mesh grille, and the vertical LED DRLs make more dramatic statements thanks to those narrower headlights. By angling the main units back toward the rear of the sedan, the CT6 now has a certified, sculpted snout. The rework appears to add substantial overhang, but overall length only increases by a tenth of an inch, to 204.1 inches. What's under the V-Sport's probing hood is just as interesting as the redesign and the sporting thrust: A clean-sheet design of a 4.2-liter DOHC twin-turbo V8. In the V-Sport, the engine produces 550 horsepower and a Bentley-esque 627 pound-feet of torque. As an optional engine elsewhere in the CT6 range, the same engine produces 500 hp and 553 lb-ft. The displacement, specs, plus the fact that "each engine will be hand-built at the Performance Build Center in Bowling Green, Kentucky" indicate this was one of the rumored powerplants for the mid-engine Corvette. The coming sports car was tipped to get a 4.2-liter and 5.5-liter DOHC twin-turbo V8. Based on the position of the turbos in this engine vs. their positions in the previous CAD drawings, we assume the drawings represented the 5.5-liter. (Note: Cadillac said Corvette will not get the new 4.2-liter twin-turbo engine.) The 4.2-liter item features an aluminum block, heads, and pistons, direct injection with a 9.8:1 compression ratio, cylinder deactivation, cylinder oil jets, and a variable-pressure oil system. The twin-scroll turbochargers capable of 20 pounds of boost sit in the 90-degree vee, working alongside twin water-to-air intercoolers, twin throttle bodies, and twin electric wastegates. Cadillac says 90 percent of torque arrives at 2,000 rpm and loiters through 5,200 rpm. Power gets sent through GM's 10L90 ten-speed automatic transmission and on to the standard all-wheel-drive system. Cadillac didn't list 0-to-60-mph times in its press release, but engineers have track-worthy alacrity in mind for the CT6 V-Sport.

Win this 2021 Cadillac Escalade and you'll have a home theater in your driveway

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. No donation or payment necessary to enter or win this sweepstakes. See official rules on Omaze. Touchscreens in cars are getting bigger and bigger, and the Cadillac Escalade is the prime example. With a 38-inch display up front and a 36-speaker surround sound system, all this Cadillac is missing is a place to keep your snacks. Oh wait, they thought of that too with a fridge up front. All of this is great, but the best thing about the Cadillac Escalade is that Omaze is giving it away. Win a 2021 Cadillac Escalade and $20,000 - Enter at Omaze But the fun doesn’t end in the front seat. In the second row there are large screens as well, so you can binge watch your favorite TV show on your next road trip, assuming youÂ’re not driving. To top it off, if youÂ’re stuck way in the back, thereÂ’s Conversation Enhancement, so you wonÂ’t have to yell in order for the driver to hear what youÂ’re saying.  With all of this technology, itÂ’s easy to forget the original purpose of the Escalade, to get you from one place to another, in style, which it does incredibly well thanks to a 420 horsepower, 6.2L V8. Plus, this Escalade comes with something the others donÂ’t, $20,000 in cash. YouÂ’re probably asking yourself, what does it take to win? First of all, according to Omaze, "no donation or payment is necessary to enter or win this sweepstakes." $10 will get you 100 entries in this giveaway, while $50 will get you 1,000 entries and $100 will get you 2,000 entries. The donations themselves benefit Tie The Knot, which, according to Omaze, “works to raise awareness and advocate on behalf of LGBTQ equality throughout the world. Tie The Knot releases limited edition collections of neckwear and other fashionable products to benefit organizations that are in the trenches fighting for LGBTQ civil rights every single day and to fund their international public education campaign. Your donation can help Tie The Knot continue to move the dial in support of LGBTQ equality.” If you want this opportunity to own this tech-filled luxury SUV, enter here. The deadline to enter is May 26, 2021, at 11:59 p.m. Pacific. Cadillac Commerce deals