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GM named in diesel cheating lawsuit

Chevrolet Silverado, GMC Sierra HD pickups accused of using defeat devices

Published: May 27, 2017, 10:30 PM
Updated: June 5, 2017, 4:33 AM

2015 HD Truck King Challenge

2015 HD Truck King Challenge

Less than a week after the US Justice Department filed a civil suit against Fiat Chrysler Automobiles (FCA) for allegedly using defeat devices in diesel emissions testing of its trucks and SUVs, General Motors is also facing legal action against its diesel pickups.

The class action suit was filed in Michigan District court, with the named plaintiffs being Andrei Fenner of Mountain View, California and Joshua Herman of Sulphur, Louisiana, both of whom claim their Duramax 2011 GMC Sierra and 2016 Chevrolet Silverado, respectively, emitted pollutants two to five times higher than allowed limits, confirmed through independent on-road emissions testing.

2015 GMC Sierra HD - trailer towing full view

The two are represented by Hagens Berman Sobol Shapiro (the law firm that helped negotiate the multibillion-dollar emissions-cheating settlements for VW owners and dealers) and Hilliard Munoz Gonzales, (which is also handling lawsuits against GM for faulty ignition switches that are linked to 124 deaths).

The class action suit covers owners of 705,000 Chevrolet and GMC 2500HD and 3500HD pickups from model years 2011 to 2016, using the 6.6-litre Duramax diesel V-8. Robert Bosch GmbH has also been named in the suit, as the alleged developer of the defeat devices for GM, as it was in the Volkswagen case and also allegedly in the FCA action.

Large Heavy Duty Pickup – Chevrolet Silverado 2500 HD

Bosch denied comment on the new action, saying it will not comment on ongoing litigation and that it would cooperate with all investigations and jurisdictions.

In a 1-sentence statement, General Motors said “these claims are baseless and we will vigorously defend ourselves. The Duramax Diesel Chevrolet Silverado and GMC Sierra comply with all U.S. EPA and CARB emissions regulations.”

Other manufacturers accused of using defeat devices during diesel lab testing include Daimler, Peugeot and Renault.