{"nhtsa_id":10043600,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-04-13","date":"2012-09-01","document_id":"PIP-4995","mfr_campaign":null,"replaces":"PIP-4995-A","component":"SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY","mfr_system":null,"summary":"GMC/CHEVROLET: DUE TO A POSSIBLE CRACKED OR BROKEN, THE HUB RETAINING NUT, THE REAR AXLE MAY LEAK FLUID. *PE MODELS 2011-2012 SILVERADO HD 2500 AND 3500, SIERRA HD 2500 AND 3500. UPDATED 11/28/12. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043600","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra"]}],"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":[]}