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General Motors (GM) has produced several vehicles with a GEN V 5.3L or 6.2L engine, including the Chevrolet Silverado 1500, Tahoe, and Suburban, the GMC Sierra 1500 and Yukon, the Chevrolet Camaro SS, the Chevrolet Corvette Stingray (C7 and C8), and the Cadillac Escalade, CT4-V Blackwing, and CT5-V Blackwing. However, these engines are not without their issues, and a common problem with the aluminum block is head bolt thread failure. The size of the head bolt is M12x1.75. This was changed from M …