Class Action Filed Over Allegedly Defective Hydra-Matic 8L90, 8L45 Transmissions Found in Certain Chevy, Cadillac, GMC Vehicles
August 12, 2019 General Motors faces a proposed class action that alleges the Hydra-Matic 8L90 and 8L45 transmissions found in certain Chevy, Cadillac and GMC vehicles are defective.