Tag: Denali

By on September 16, 2015

GM Ventures Sees Potential in Fuel Saving Technology

General Motors may use an advanced cylinder deactivation technology, co-developed with Delphi and Silicon Valley startup Tula Technologies, in its SUVs and V-8 cars to shut down up to six cylinders to maximize fuel economy, Automotive News reported.

According to the automaker, GM in 2012 invested in Tula, which specializes in automotive engineering. The automaker announced in January that it would pursue the advanced cylinder deactivation technology for some of its SUVs, which could improve fuel economy by 15 percent in cars with engines with more than four cylinders.

The system, dubbed Dynamic Skip Fire, keeps the throttle open during operation and controls cylinder firing through a special valve that cuts off oil to the deactivated cylinders’ valve lifters. According to the company, the engine computer changes the deactivated cylinders to avoid vibration or noise.

(Read More…)

By on September 2, 2015


As those of you with access to the Internet will know, President Obama recently discovered the executive superpower to rename mountains. As a consequence, Mount McKinley, the highest peak in North America and the tallest mountain in the world when the measurement is taken from the surrounding ground, is now known by the name given to it by the Athabascans: Denali.

In a prepared statement, Mr. Obama said, “With this action, I am fulfilling two of my most cherished dreams. First, I’m living the progressive dream of presiding over the surrender of a national monument to a native group. Secondly, I’m honoring my childhood memories of Mount Kenya, which rose in splendid African majesty over the place of my birth and early years.”

Just kidding, of course. Mr. Obama is as American as Dave Matthews or Steve Nash and to suggest otherwise is to lend strength to the right-wing racist slander of people like Linda Starr and Philip Berg. But enough of that twaddle. If you’re like me, your initial reaction to the news was simple: What does this mean for General Motors?

(Read More…)

By on August 4, 2015



Leather is better. (photo courtesy: image.automotive.com)

Nathaniel writes:


Long time listener, first-time caller. I’m responding to your plea for new Piston Slap questions. I purchased a gently-used 2008 GMC Yukon Denali AWD a couple of months ago. Other than its appetite for fuel, the only negative is that it has 141,000 miles. I believe the previous owner changed the transmission fluid at 100,000 miles (Carfax shows that the transfer case fluid was changed at this point, and I can’t imagine doing that and not doing the transmission). The fluid was relatively clean but I changed out several quarts via the dipstick tube using a fluid extractor after I purchased the vehicle, replacing them with the specified Dexron-VI. I believe the fluid level is correct but it’s difficult to read.

On a recent road trip, the 6-speed automatic (6L80E) transmission stumbled during the 2-3 shift while driving through the mountains and went into a failsafe mode. The check engine light came on. I pulled over, turned the ignition off and on again, and the truck operated normally. The CEL remained on for the next several ignition cycles. When I called OnStar to obtain the fault code, they could not retrieve it because the CEL was no longer on.

(Read More…)

By on July 15, 2015

2016 GMC Sierra 1500

General Motors is revealing its updates to the 2016 GMC Sierra lineup days after Chevrolet revealed its new face for the 2016 Silverado.

In a video posted to its YouTube channel (via Automotive News), GMC trotted out the new front fascias, bumpers and C-shaped LED daytime running lamps for the full-size pickup.

(Read More…)

By on May 20, 2014

GM Next

Autoblog reports Volkswagen Group of America executive vice president of group communications Tony Cervone is returning to the GM fold as the automaker’s senior vice president of global communications. According to CEO Mary Barra, Cervone “brings an ideal mix of outside perspective and experience that compliments a deep background in GM and today’s global auto industry.” Prior to his return, he also served as the vice president of communications for United Airlines and Chrysler Group, where he spent 14 years before his decade-long previous service to GM. Cervone succeeds Selim Bingol — who resigned from the company in April “to pursue other interests,” and will report directly to Barra.

(Read More…)

By on September 12, 2013


Any minute now, GM will be taking the wraps off the 2015 GMC Yukon and Chevrolet Suburban. For now, we’ve got some press shots to keep you held over. The big news so far appears to be GMC’s pushing of the Denali model as an upscale alternative to the normal Yukon and Suburban trims. Denalis get a nicer interior as well as a 6.2L V8 making 420 hp and 460 lb-ft of torque. The other models get the standard 5.3L version. More info to follow.


By on September 24, 2012

Following in the footsteps of the Ford F-Series multiple luxury times and Ram Laramie, Chevrolet will offer a new luxury trim level for the Silverado – complicating things for GMC, which is positioned as an upscale truck brand.

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By on March 23, 2011

With its minivans and conventional midsize SUVs discontinued, GM relies heavily on its large “Lambda” crossovers—the Chevrolet Traverse, GMC Acadia, and Buick Enclave—to serve the family market. With over 230,000 sold in 2010, they’re easily the best sellers* in the segment. In comparison, Ford shifted only 34,000 Flexes. But, now in their fifth model year, the Lambdas are getting old. With cash short leading up to the bankruptcy, what might be done on the cheap to maintain buyer interest? The winning answer: a new Denali variant of the GMC Acadia.

(Read More…)

By on December 17, 2009

Speaking of upscale...

GM announced today that Buick-GMC sales manager Brian Sweeney has been promoted to the top spot at Buick-GMC after his predecessor Michael Richards left the position after nine days on the job. According to the Detroit News, Sweeney began his GM career at GMC in 1990 and has served as vice president of sales at Saab Cars USA and sales manager of GM’s north-central region.

(Read More…)

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