CHEVROLET/CADILLAC/GMC: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. THE U JOINT RETAINER BOLTS, ON CERTAIN TRUCKS/VANS, HAVE A LOSE INDEX AND CLUNKING NOISE IS HEARD OR FELT WHEN SPEED CHANGES AND IF NOT CORRECTED, PROPSHAFT WILL MOVE TOWARDS AXLE YOKE. MODEL 2015 ESCALADE, ESCALADE ESV, SIERRA LD CREW & DOUBLE CAB, YUKON, YUKON XL, SILVERADO LD CREW & DOUBLE CAB. *PE
