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GM recalling 70k Chevy Malibus, Pontiac G6s over steering issue

A problem with the power steering system in the Chevy Malibu and Pontiac G6 has prompted General Motors and the National Highway Traffic Safety Administration to issue a recall for an estimated 69,633 vehicles. The issue revolves around the electric power steering assist, which could suddenly fail and increase the risk of a crash, especially at low speeds where the power steering is most helpful. The recall affects 2006-2007 Chevy Malibu sedans and Malibu Maxx wagons (specifically those manufactured between April 1, 2006, and June 30, 2006), as well as the Pontiac G6 (which was offered as a sedan, coupe or convertible) from the same model years and manufactured from April 18, 2006, to June 30, 2006. Owners of the affected units can expect to hear from the manufacturer with instructions to bring in their vehicles to their local dealers to have the torque sensors in the power steering system replaced. RECALL Subject : Sudden Loss of Electric Power Steering , 1 INVESTIGATION(S) Report Receipt Date: FEB 04, 2015 NHTSA Campaign Number: 15V064000 Component(s): STEERING Potential Number of Units Affected: 69,633 Manufacturer: General Motors LLC SUMMARY: General Motors LLC (GM) is recalling certain model year 2006-2007 Chevrolet Malibu and Malibu Maxx vehicles manufactured April 1, 2006, to June 30, 2006, and 2006-2007 Pontiac G6 vehicles manufactured April 18, 2006, to June 30, 2006. In the affected vehicles, there may be a sudden loss of electric power steering (EPS) assist that could occur at any time while driving. CONSEQUENCE: If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash. REMEDY: GM will notify owners, and dealers will replace the torque sensor assembly, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Chevrolet customer service at 1-800-222-1020 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14772. Note: This is an expansion of recall 14V-153 to cover additional vehicles built between April 1, 2006 and June 30, 2006. 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.

May 2016: FCA wins, Ford and GM stumble on weak car volumes

The May 2016 sales numbers are in, and it looks as though FCA is getting some vindication for boldly cancelling two slow-selling car models. Meanwhile, Ford saw overall sales dip and GM's May volume took a big dive versus the same month in 2015. While Marchionne's decision to axe the Chrysler 200 and Dodge Dart has drawn criticism as being short-sighted, it's working for FCA so far. Although the Dart and 200 aren't out of production yet and no capacity has been shifted to crossover or trucks, May's numbers show that the emphasis on Jeep and Ram models makes sense right now. FCA's US sales rose 1 percent last month compared to May 2015, putting the year-to-date total at 955,186 vehicles, an increase of 6 percent compared to the same period last year. Standouts included the Jeep Renegade, Compass, and Patriot, and the Fiat 500X. Ram pickup sales were down 3 percent. And your fun fact is that Alfa Romeo sales were up precisely 10 percent, for a total of 44 4Cs sold versus 40 in the same month last year. At FoMoCo, the Ford brand took a hit to the tune of 6.4 percent from May 2015 to 2016, registering 226,190 sales last month. Lincoln showed improvement on its modest numbers, going from 9,174 to 9,807, a 6.9 percent increase. Overall, Ford was down 5.9 percent for the month to 235,997; despite the slump, year-to-date total Ford sales are up 4.2 percent to 1,112,939. Strong sellers included Escape, Expedition, F-Series, and Transit - big stuff. Most small and/or efficient models (Fiesta, Focus, Fusion, C-Max) saw sales slides. Fusion sales were also down, likely due to effects of model changeover to the freshened 2017 model. Ford has promised four new crossovers and SUVs by 2020 and if things keep trending this way the company will be able to sell them, but things could change in the next four years. GM saw the worst of it for domestic brands. Retail and fleet sales were down for each of the four divisions, with the May 2016 total dropping 18 percent to 240,450 vehicles. GM's year-to-date sales are down 5.0 percent in 2016 to 1,183,705. Both the Sierra and Silverado were down significantly, and the majority of Chevy, Buick, GMC, and Cadillac nameplates saw sales decreases, with both small cars and larger utilities included. Not even big stuff could help GM this month, it seems. We'll have more on the rest of the industry's May sales as those figures trickle in.

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.