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Engine block heater issues force GM to recall 324,226 diesel heavy duty trucks

General Motors has issued a recall on 324,226 diesel heavy duty trucks that could be susceptible to short circuits, and consequently, potential fire. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. GM is recalling seven different truck models spread across three years. The recall affects the 2017-2019 Chevrolet Silverado 2500HD, 2017-2019 Silverado 3500HD, 2019 Silverado 4500HD, 2019 Silverado 5500HD, and 2019 Silverado 6500HD, plus the 2017-2019 GMC Sierra 2500HD and 2017-2019 Sierra 3500HD. Specifically, it includes these models with the 6.6-liter Duramax diesel engines and the optional engine block heater. The recall technically deals not with the engine block heater itself, but the way it is connected. According to NHTSA campaign No. 19V328000, the engine block heater cord or the terminals that link the cord to the heater could short circuit. A short circuit could potentially damage engine components and result in a fire. According to The Detroit News, 19 fires have been reported but nobody has been injured. GM has yet to figure out a fix, and thus has not yet released a notification schedule for affected customers. If you believe your vehicle is part of the recall, contact GM customer service at 1-586-596-1733 and use reference number N182206310.

Chevy's 6.6-liter Duramax is pretty much all new

To say there's a heated battle in heavy-duty pickups is an understatement, with Chevrolet, Ford, and Ram constantly trading blows of increased torque, horsepower, and towing capacity. The latest salvo is the revised, more powerful turbo diesel 6.6-liter Duramax V8 in the 2017 Chevy Silverado. It has 910 pound-feet of torque, an increase of 145, putting it nearly level with the Ford Super Duty. Here's a closer look at where those gains come from. How exactly did Chevrolet add all that torque plus 48 horsepower? The automaker essentially took a fine-tooth comb to the entire engine. Chevy says it changed 90 percent of the V8, and the cumulative effect of those small changes adds up to big increases. As you might guess, the turbocharger is updated. The larger unit features electric actuation of the variable nozzle turbine (VNT), and what Chevy calls a double axle cartridge mechanism that separates the VNT moving parts from the housing. That helps with heat performance as well, with a claim that the exhaust side of the turbo can run continuously up to 1,436 degrees Fahrenheit. Helping that cause are six exhaust gaskets made of Inconel - an nickel alloy that contains chromium and iron – and upgraded stainless steel for the exhaust manifold. Despite having the same cast iron cylinder block, albeit with some minor enhancements, the engine has new cylinder heads, pistons, piston pins, connecting rods, and crankshaft, which have all been upgraded to handle 20 percent higher cylinder pressures. Alongside the increase in pressure, Chevrolet also increased the cylinder head's structure with a honeycomb design. The pattern features high-strength aluminum with dual layer water jackets that not only improve strength, but also optimize water flow for better cooling. For 2017, the cylinder head also benefits from integrated plenum that aids the engine in getting more air under heavy loads. The cylinder head isn't the only component to get a minor update, as the pistons have a larger diameter pin for improved oil flow. The same detailed improvements has been bestowed to the humble connecting rods (second in our hearts only to the inanimate carbon rod). The new design has the bolts oriented roughly 45-degrees to the rod instead of parallel. The angle split design, as it's called allows for easier passage through the cylinder.

2015 Chevrolet Silverado Custom glitzes up volume model [UPDATE]

UPDATE: The original prices listed in Chevrolet's press release did include destination charging, despite not being specifically called out as such. We've edited the story to reflect this. The Chicago Auto Show's reputation as the home of special edition debuts grows stronger today, as Chevrolet is complementing the news that it'd unveil the Silverado Midnight Edtion and Colorado GearOn special editions in the Windy City with the debut of the Silverado Custom. And yes, it's different than the higher-spec Custom Sport that debuted just last month in Detroit. What's so custom about the Silverado Custom, you ask? Well, not a whole lot. The new truck is based on the popular Silverado LS Double Cab, and adds, among its most noteworthy features, a set of 20-inch, five-spoke wheels. From there, chrome is the order of the day, with shinier front and rear bumpers, mirror caps and door handles. The top portion of the front bumper, which is finished in black plastic on the standard LS, is matched to the body color on the Custom model. Standard LS interior features, like the 4.2-inch MyLink system with 4G LTE wireless internet, 40/20/40 cloth front seats, remain in place on the Custom, while it's a similar story with the powertrain. Choices below the sheetmetal will force buyers to choose between a 5.3-liter V8 or a standard 4.3-liter V6, and two- or four-wheel drive. Chevy is pricing a V8-equipped Silverado Custom 4x2 at $33,820 (including $1,195 in destination charges). Adding four-wheel drive brings the price up at $37,800, although as we said, selecting the 4.3-liter V6 will yield a more affordable Custom. Check out the full press release on the newest member of the Silverado clan, available below. 2015 Silverado Custom: Back to Basics, with Style $33,820 starting price for a well-equipped double-cab V-8 CHICAGO – Chevrolet takes aim at the heart of the pickup market with the Silverado Custom, which offers Chevy Truck capability and dependability in a stylish package, priced within reach of many truck customers. "The economic recovery has led to booming sales of high-end pickups like the Silverado High Country," said Sandor Piszar, marketing director for Chevy Trucks. "But there are also millions of customers in the heart of the market who want a great looking, well-equipped truck at an affordable price.