{"nhtsa_id":10038514,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-16","date":"2011-03-01","document_id":"PIP-4879","mfr_campaign":null,"replaces":"PIP-4879A","component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE","mfr_system":null,"summary":"GM: WHEN VEHICLE IS IN 4-WHEEL DRIVE THERE MAY BE A NOISE OR THERE MAY BE U-JOINT FAILURE. *RM UPDATED ON 06/24/2011. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10038514","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2004,"year_to":2011,"match":"exact","vehicle_ids":["2004_chevrolet_colorado","2005_chevrolet_colorado","2006_chevrolet_colorado","2007_chevrolet_colorado","2008_chevrolet_colorado","2009_chevrolet_colorado","2010_chevrolet_colorado","2011_chevrolet_colorado"]},{"make":"GMC","model":"CANYON","year_from":2004,"year_to":2011,"match":"exact","vehicle_ids":["2004_gmc_canyon","2005_gmc_canyon","2006_gmc_canyon","2007_gmc_canyon","2008_gmc_canyon","2009_gmc_canyon","2010_gmc_canyon","2011_gmc_canyon"]}],"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":[]}