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2016 Chevy Volt powertrain technical details

The last time General Motors launched a Chevy Volt, it was operating without really knowing how people would use the plug-in hybrid. Sure, it had experience with the EV1, but the Volt was a new kind of car, and you can see in the archives just how much time GM spent explaining this fresh, new powertrain to potential customers. Then, once the vehicle was released, the company collected voluntary data from a large number of owners to learn about their driving and charging habits. The company also asked them what they wanted most in the new version. There's got to be an algorithm buried somewhere in GM headquarters that was used to take all of the numbers GM collected and spat out the headline figures for the 2016 Volt: 50 miles of EV range and 41 miles per gallon. Another important number – price – is something GM isn't talking about yet (expect it in April or May), but the company is sharing some powertrain details about the upcoming car. At a preview lunch in Detroit last week for the SAE 2015 Hybrid & Electric Vehicles Technologies Symposium that's happening now in California, GM engineers Peter Savagian (who is presenting a paper on the new inverter used in the updated Volt) and Tim Grewe (talking about the entire second-generation powertrain) sat down with AutoblogGreen to tell us about the Volt's all-new propulsion system: The overall gist is that the new Voltec 5ET50 drive unit is lighter, smaller and more powerful thanks to a redesigned two-motor traction drive. As previously reported, the new engine is a 1.5-liter DOHC four-cylinder that offers 101-horsepower (at 5,600 RPM). Grewe said it's "great for range extension." The electric motor side of the powertrain offers 149 motoring horsepower from a two-motor, continuously variable transaxle. Initially, the new engine will be made in Mexico. GM will move production to Flint, MI during the first year it makes the 2016 Volt. The battery is slightly bigger in the new Volt – 18.4 kWh compared to 16.5 in the current-gen – and will have less range variation in the cold. GM is also using more of the overall capacity in the pack in the 2016 Volt than in previous versions, but is not saying how much more. GM is not ready to publish acceleration times just yet, but the 2016 Volt has improved numbers, especially when going from 30-60 miles per hour. Most everything on the new powertrain has become more efficient compared to the first-gen Volt.

GM Recalls 218,000 Chevy Aveo Models Over Fire-Prone Lighting

The recall train keeps on rolling for General Motors. Hot on the heels of its recent 2.4 million-vehicle recall of various models, it's now calling in 218,000 Chevrolet Aveo units from the 2004-2008 model years because they could catch fire. The problem concerns the daytime running light module in the instrument panel. It could overheat, melt and cause a fire. According to GM spokesperson Alan Adler, "We are aware of some fires," and the company "is still investigating." Adler wouldn't comment about how many fires were reported or when the automaker was first aware of this issue because of the ongoing analysis. However, he said the issue has not caused any injuries or fatalities. GM also doesn't have a fix for the problem with the DRL module yet. The company says in its recall statement to the National Highway Traffic Safety Administration that the remedy "is still under development." Adler wasn't sure when it would be ready, but he said Aveo owners would receive notification in the mail "relatively soon." They will receive a second letter later to schedule the repair. In a separate letter about the Aveo's problem to NHTSA (viewable here as a PDF), GM said its Executive Field Action Decision Committee decided to conduct the recall on May 16. Scroll down for the recall report. RECALL Subject : Daytime Running Light Module Overheating Report Receipt Date: MAY 19, 2014 NHTSA Campaign Number: 14V261000 Component(s): Potential Number of Units Affected: 218,000 Manufacturer: General Motors LLC SUMMARY: General Motors is recalling certain model year 2004-2008 Chevrolet Aveo vehicles equipped with daytime running lights (DRL). In the affected vehicles, there may be heat generated within the DRL module located in the center console in the instrument panel, which could melt the DRL module. CONSEQUENCE: If the DRL module melts due to the heat generation, it could cause a vehicle fire. REMEDY: The remedy for this recall campaign is still under development. The manufacturer has not yet provided a notification schedule. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet). General Motors recall number for this campaign is 14236. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

GM recalling 118K Colorado, Canyon pickups over missing hood latches

General Motors has announced a recall of 118,800 Chevrolet Colorado and GMC Canyon pickup trucks due to the possibility of secondary hood latches not being installed at the time of manufacture. The affected vehicles are from the 2010, 2011 and 2012 model years, all of which were built between November 9, 2009 and August 28, 2012.
According to the official National Highway Traffic Safety Administration report, these trucks fail to "comply with the requirements of Federal Motor Vehicle Safety Standard No. 113, 'Hood Latch System.' The hood may be missing the secondary hood latch." In other words, owners of these trucks could find their vehicles' hoods opening unexpectedly while driving.
The official recall campaign is expected to begin on January 17, 2013. Dealers will inspect the affected pickups and if a secondary hood latch is not present, one will be installed free of charge. Scroll down to read the official NHTSA report.