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.

Dealers will have to inspect and either repair or replace subject 6.2-liter V8 engines. The engine oil will also be changed to a higher viscosity oil