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14NHTSA probing Jeep Grand Cherokee, Ram 1500 models over safety concerns

The National Highway Traffic Safety Administration has opened up investigations into more than 335,000 Chrysler Group vehicles, following reports of fires in Jeep Grand Cherokee models and rear wheel failures in the Dodge Ram 1500. According to documents posted to the NHTSA website, 106,803 Grand Cherokees and 230,000 2009-2010 Ram 1500s are being investigated.

22VIDEO: Limited slip differential Lego style

Lego open differential - click image above for Lego LSD video

44VIDEO: Fantastic and fanciful old-timey explanation of the differential

How works the differential -- click image above to watch the video

21Quattro times two: Audi develops new sport differential

According to Motor Authority, Audi has developed a new differential that will find its way into all its Quattro-equipped vehicles next year. The new diff quells Audi's inherent understeer by shuffling torque between the rear wheels, thus improving overall road-holding and lending itself to more sporty (read: rear-wheel drive bias) driving dynamics.

7Autoblog Maintenance/Project Garage: 2006 wrap-up

In 2006, we spent a lot of time spinning wrenches here in the Autoblog Garage in the process of taking on common maintenance tasks and a few performance upgrades. For your convenience, we've compiled links to each of the posts after the jump.

2Ikona files provisional patents for frictionless CVT clutch and differential

Canadian gearing technology company Ikona Gear International announced that they have filed for two provisional patents that will help automakers produce more efficient and environmentally friendly vehicles - a frictionless CVT clutch and frictionless CVT differential.

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