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The 2019-2024 Model Year (MY) Chevrolet Silverado 1500 and GMC Sierra 1500 pickups The 2021-2024 MY Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, and Cadillac Escalade SUVS
[12] 2021 was its final model year in the Chevrolet Silverado and GMC Sierra 1500, as the 6-speed automatic transmission was phased out. The Chevrolet Express and GMC Savana are the last vehicles to use the 4.3L but do not feature Active Fuel Management and their version of the engine is referred to as the LV1. Applications:
GM's Active Fuel Management [2] technology used a solenoid to deactivate the lifters on selected cylinders of a pushrod V-layout engine. GM used the Active Fuel Management technology on a range of engines including with the GM Small Block Gen IV engine family, first-generation GM EcoTec3 engine family, second-generation GM High-Feature V6 DOHC ...
2014–2021 Chevrolet Silverado/GMC Sierra 1500 ... Castech Head" failure. ... generation V8 LS engines was a failure of the specialized lifters in engines equipped ...
On June 5, 2014, Valukas' report on the recall was made public. In it, he asserted that the company's failure to fix the defective switches sooner was not due to a cover-up on the company's part, [66] but rather due to "their failure to understand, quite simply, how the car was built." [67] The report led to Barra firing 15 of her employees. [66]
Valve float is an adverse condition which can occur at high engine speeds [1] when the poppet valves in an internal combustion engine valvetrain do not properly follow the closure phase of the cam lobe profile.
Atlas is a name for a family of modern inline piston engines for trucks from General Motors, used in the GMT355 and GMT360 platforms. The series debuted in 2002 with the Oldsmobile Bravada, and is also used in the Buick Rainier, the Chevrolet TrailBlazer and Colorado, the GMC Envoy and Canyon, the Hummer H3, Isuzu Ascender and i-370, and the Saab 9-7X.
The GM Instrument Cluster Settlement was a 2008 class action settlement awarded to owners of certain General Motors vehicles with allegedly defective speedometers.The settlement allows the owner or lessee to get their instrument cluster replaced under the terms of a special coverage adjustment to their factory standard warranty.