1984 Chevrolet K5 Blazer Custom 6.2l Diesel Stealth Black Clean on 2040-cars

Auto blog

GM ending stop-sale order on heavy-duty trucks

General Motors responded to an inquiry from Autoblog regarding a stop-sale order on its full-size heavy-duty pickup trucks. Here's GM's official statement. GM is committed to building the highest quality products possible. We paused delivery on a small number of HD pickups with the 6.6 liter Duramax engine last week to finalize an investigation into a potential quality issue. The investigation has been completed and the stop sale will be lifted for the small number of vehicles at dealerships.Customers can be assured GM’s heavy duty pickups are covered by a 5 year/100,000 mile powertrain warranty. The original article continues below. General Motors has reportedly sent its Chevrolet and GMC dealers a stop-sale order that applies to some examples of the 2022 Silverado HD, the 2022 Silverado MD, and the 2022 Sierra HD. The units affected by the stop-sale order may develop an engine-related problem. Citing anonymous sources, website GM Authority wrote that the Duramax 6.6-liter turbodiesel V8 in the affected trucks can hydrolock, which means liquid could enter the cylinders and cause a substantial amount of damage. The report does not specify where the liquid would come from; hydrolocking can happen by driving through a deep puddle of water, for example, but a large amount of coolant can cause it as well. The publication adds that the stop-sale order was assigned internal reference number N222362910. It also notes that the trucks included in it can't be sold, delivered to buyers, traded with another dealer, sent to auction, or even used for demonstration purposes until further notice. Earlier in April 2022, GM Authority reported that General Motors planned to buy back an unspecified number of Silverado HD and Sierra HD trucks due to quality-related issues with the 6.6-liter V8. Details about the problems experienced by customers haven't been released; all we know is that each truck will be replaced, though the replacement may not have the same equipment due to the ongoing chip shortage. Related video:

2021 Chevy Silverado, GMC Sierra fuel economy to go down due to global chip shortage

Production of the 2021 Chevy Silverado and 2021 GMC Sierra is continuing, but the global semiconductor chip shortage is resulting in a mid-year change. Or rather, an omission.  Basically, the availability of cylinder deactivation for the 5.3-liter V8 will be significantly reduced, resulting in a reduction of 1 mpg combined for affected models. This applies whether that engine has the six- or eight-speed automatic, as well as to both the regular Active Fuel Management and the more advanced Dynamic Fuel Management cylinder deactivation systems. DFM does remain with the pairing of 5.3-liter V8 and 10-speed automatic that comes standard on the LT Trail Boss and High Country. "Due to the micro controller shortage, the components that control AFM/DFM in the engine control module (ECM) have been removed," GM spokesperson Michelle Malcho told Autoblog. She also indicated that the engines will still have the AFM/DFM hardware in place, but that GM will not allow activation of the systems in the future with an ECM change.  Malcho also confirmed to Autoblog that the Silverado and Sierra's other engines will continue to have AFM and DFM, including the 2.7-liter turbo inline-four, 4.3-liter V6 and 6.2-liter V8. In an earlier statement to Reuters, she declined to say the volume of vehicles affected. "By taking this measure, we are better able to meet the strong customer and dealer demand for our full-size trucks as the industry continues to rebound and strengthen," Malcho wrote Reuters in an email. The change runs through the 2021 model year, she said. Malcho told Reuters it would not have a major impact on the Detroit automaker's U.S. corporate average fuel economy (CAFE) numbers. "We routinely monitor our fleet for compliance in the U.S. and Canada, and we balance our portfolio in a way that enables us to manage unforeseeable circumstances like this without compromising our overall (greenhouse gas) and fuel economy compliance," she said. GM's fleetwide fuel economy in the 2018 model year was 22.5 miles per gallon and was projected to rise to 22.8 mpg for 2019, according to a report by the Environmental Protection Agency. To meet federal CAFE requirements, automakers like GM often use credits from either earlier years where they faced less stringent rules and performed better than the requirements or buy credits from other automakers. GM said last month the chip shortage could shave up to $2 billion from this year's earnings.

Chevy updates Silverado HD with new towing equipment

Enamored by the updated Chevy Silverado released just the other day, but need something a little more heavy duty? Chevy isn't going to keep you around waiting for long, as it has now revealed a new Silverado HD as well. While the new Silverado 1500-series has been distinguished over the outgoing version principally by its revised styling, the updated Silverado HD is more about its enhanced equipment. It's got a new Digital Steering Assist system (on some models) designed to enable easier and safer towing. There's a new gooseneck/5th-wheel trailer prep package that enables Chevy's new heavy duty truck to tow as much as 23,200 pounds. And the interior equipment is augmented as well by a new MyLink system with seven- or available eight-inch display, Apple CarPlay and Android Auto capability, wireless phone charging and more. Buyers will be able to choose between two versions (2500HD and 3500HD), four trim levels, three cab sizes, two cargo box lengths, and numerous powertrain and drivetrain configurations for a staggering array of combinations. There'll also be several special editions and packages, like the Z71 for off-road use and Custom Sport Edition for a sleeker look, as well as chassis cab and CNG versions. Scope out the full details in the press release below and the fresh batch of images in the gallery above. Related Video: 2016 Chevy Silverado HD Offers Digital Steering Assist Control-enhancing system, phone integration and 5th wheel package lead updates 2015-09-24 DETROIT – Chevrolet Silverado HD trucks are engineered to make the toughest jobs easier, and new technologies for 2016 complement features such as integrated cruise control, powertrain grade braking and diesel exhaust braking to enhance control. New Digital Steering Assist power steering on some double cab and crew cab models helps make hauling and trailering easier and more confident, with electronic controls that enhance road holding and stability on the highway – particularly on crowned roads – regardless of whether the truck is loaded. It also offers greater responsiveness and an improved steering feel. Digital Steering Assist is not available on Work Truck models or regular cab. There's also a new Gooseneck/5th Wheel Trailering Prep Package, with a spray-in bedliner, that makes Silverado HD models ready to tow larger trailers right from the factory.