{"nhtsa_id":10030125,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-08-06","date":"2011-05-01","document_id":"PIT-4858","mfr_campaign":null,"replaces":"PIT-4858A","component":"SERVICE BRAKES, ELECTRIC","mfr_system":null,"summary":"GENERAL MOTORS: HYBRID BRAKE NOISE OR VIBRATION. BRAKES GROAN OR THUMP NOISES DURING BRAKING; BRAKE PEDAL PUSHBACK OR VIBRATION THAT MAY RESEMBLE A PULSATION AS THE VEHICLE COMES TO A STOP; A SLIGHT DROP IN THE BRAKE PEDAL WHEN COMING TO A STOP. *PE UPDATED 6/27/11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030125","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE HYBRID","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE HYBRID","year_from":2008,"year_to":2008,"match":"base","vehicle_ids":["2008_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA HYBRID","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_gmc_sierra"]},{"make":"GMC","model":"YUKON HYBRID","year_from":2008,"year_to":2008,"match":"base","vehicle_ids":["2008_gmc_yukon"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}