1. There's something funky going on inside GM's 5.3L Vortec 5300 engine causing it to use a higher-than-normal amount of oil.

    Some might even say it's excessive. A lawsuit filed in Minnesota says the problem is multi-faceted.

    1. GM used low-tension piston rings that allow oil to leak out of the crankcase and into the combustion chamber.
    2. The rings, which are already leaking, are then overloaded by a spray of pressurized oil from the Active Fuel Management (AFM) system.
    3. Even more oil is being burned off after being sucked into the intake by the engine's positive crankcase ventilation (PCV).

    That's a recipe for disaster, but the cherry on top is the somewhat useless oil monitoring system. Instead of measuring the volume of oil left in the crankcase, the system measures environmetal variables to determine the quality of the oil.

    Sure, there's only a pint of oil left in the engine but don't worry ... the oil quality is great.

    The lawsuit mentions GM has tried to improve the situation by updating the vehicle's crankcase ventilation and active fuel management system, but it never really helped. Eventually GM just updated the Generation IV Vortec 5300 engine and replaced it with a redesigned Generation V Vortec 5300 that stopped using low-tension oil rings and reintriduced an oil level sensor.

    keep reading article "Lawsuit Claims There Are Multiple Reasons for Excessive Oil Consumption Problems in GM's V8 Vortec 5300 Engine"
  2. Back in May, GM admitted that they overstated the fuel economy on some 2016 SUVs and offered a compensation program as a sorry 'bout that.

    Owners received somewhere between $450 to $1500, based on a few factors, for their troubles. But that wasn't enough for some.

    A new lawsuit wants GM to pony up more cash for the decreased resale value of the 2016 Chevy Traverse, Buick Enclave, and GMC Acadia.…

    keep reading article "Has Acadia Lost Value Because of MPG?"
  3. While you might still be digesting that extra serving of holiday cookies, here's something else to chew on – you might have 1 of 18 Malibus that need new airbag modules.

    According to GM the fabric of the side-impact airbag cushion "can prevent the airbags from deploying properly in a crash."

    It's likely the 18 owners of the 2016 vehicles have already been contacted, but just in case you can call Chevrolet at 800-222-1020 and use recall number 16079.

    keep reading article "2016 Malibu Airbag Deployment Recall"
  4. Earlier this year, General Motors (GM) announced a preliminary recall for 1.9 million vehicles with Takata airbag inflators.

    But then, a couple months later, they decided that recalling some of those vehicles wasn't necessary. Researchers have found a combination of age, moisture, and high temperatures can make the ammonium nitrate inside of Takata airbag inflators unstable, causing them to explode in a dangerous way.…

    keep reading article "GM Given Time to Prove Takata Airbags Not Faulty"
  5. GM manufactured cargo vans that are either missing mirrors, or have improperly shaped mirrors. Both are violations of federal safety laws.

    The 2016-2017 Chevrolet Express and 2016 GMC Savana were manufactured without inside rear-view mirrors and with right-hand convex exterior rear-view mirrors. That's a problem because federal safety regulations say the vans are required to have either inside rear-view mirrors or both left- and right-hand flat exterior rear-view mirrors.

    The recall only affects 40 vans, but still the GM design team should take a long, hard look in the ... well, you know.

    keep reading article "GM Should Look in the Convex Mirror"
  6. Last month GM announced an airbag recall affecting 4 million vehicles.

    Software errors have been found to disable the front airbags and seatbelt pretensions after "certain driving conditions." GM won't say what those conditions are, but they did say there’s been at least one death related to the bug.

    GM opened an investigation into the issue in June and contacted Delphi, the supplier of the sensing and diagnostic module. The automaker gathered additional electronic data recorder records from other incidents where the same crash symptoms occurred.

    After three days of road tests in September 2016, GM ordered the recall. The affected GMC vehicles include the Sierra lineup as well as the Yukon.

    keep reading article "Massive GM Airbag Recall"
  7. GM ordered a windshield wiper recall that was limited to Canada's "corrosion provinces" back in June.

    Well, turns out we use plenty of road salt here in the US of A as well, so the recall is expanding.

    "The first trouble reports came from Canada in December 2015 when SUV owners were complaining about failing windshield wipers during the winter. Dealers said the reported failures involved the windshield wiper’s ball joints coming loose from corrosion and separating while the wipers were activated."

    No recall date has been set and GM isn't exactly sure what they're going to do yet. All they know is the 2013 Chevy Equinox and GMC Terrain need to be repaired.

    keep reading article "Wiper Recall Heads South"
  8. The Malibu Hybrid comes with a manual service disconnect (MSD) switch that mechanics can use to shut off the high-voltage battery when working on the car.

    That's smart and safe. Can you imagine if that switch could just magically turn itself off while driving? The sudden stop, the lack of power, the traffic swerving around you, new curse words you never even knew existed. Good thing that never happens, right? RIGHT? Oh yes, it can happen. And it has.

    GM is recalling some 2016 models because the MSD switch can come loose and cut power to your car while driving. The automaker points out it doesn't affect low-voltage functions like airbags and seatbelt pretensioners, which is good when you suddenly find yourself stopped in the middle of the road.

    The affected Malibus were built between 10/27/2015 and 06/03/2016.

    keep reading article "Why Are Malibu Hybrids Suddenly Losing Power?"

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