CADILLAC/CHEVROLET/GMC: IF TRANSMISSION DIPSTICK TUBE BECOMES FATIGUE AND FRACTURE, WHILE IN AFM MODE, IT CAUSES A TICKING OR RATTLING NOISE FROM FRONT OF VEHICLE, WHEN ENGINE VIBRATES. MODELS 2010-2011 ALL ESCALADE, ESV, EXT; AVALANCHE, SILVERADO, SUBURBAN, TAHOE; SIERRA, YUKON, YUKON XL. *PE
