GM is recalling 597,630 trucks and SUVs equipped with potentially defective 6.2-liter V8 engines. Impacted models include the Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 1500. The engines may have internal debris or an out of spec crankshaft,

The recall follows a January investigation​ by U.S. auto safety regulators into reports of engine failure in certain GM vehicles.

The recalled vehicles include Chevrolet Silverados, Suburbans and Tahoes, along with Cadillac Escalades and GMC Sierras.