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.

NHTSA has officially asked General Motors to recall more than 721,000 full-size SUVs and pickup trucks equipped with 6.2L V8 engines after the company voluntarily issued a stop sale late last week.As a consequence of the defect,