{"nhtsa_id":11032771,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-19","date":"2026-05-11","document_id":"PIP6101B","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters. The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032771-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032771-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032771","components":[],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCLAVE","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_buick_enclave","2026_buick_enclave"]},{"make":"BUICK","model":"ENVISION","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_buick_envision","2026_buick_envision"]},{"make":"CADILLAC","model":"CT4","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_cadillac_ct4","2026_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_cadillac_ct5","2026_cadillac_ct5"]},{"make":"CADILLAC","model":"XT4","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_cadillac_xt4"]},{"make":"CADILLAC","model":"XT4","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"CADILLAC","model":"XT5","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_cadillac_xt5","2026_cadillac_xt5"]},{"make":"CADILLAC","model":"XT6","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_cadillac_xt6"]},{"make":"CADILLAC","model":"XT6","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"BLAZER","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_chevrolet_blazer","2026_chevrolet_blazer"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_chevrolet_colorado","2026_chevrolet_colorado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_chevrolet_silverado","2026_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TRAVERSE","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_chevrolet_traverse","2026_chevrolet_traverse"]},{"make":"GMC","model":"ACADIA","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_gmc_acadia","2026_gmc_acadia"]},{"make":"GMC","model":"CANYON","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_gmc_canyon","2026_gmc_canyon"]},{"make":"GMC","model":"SIERRA 1500","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_gmc_sierra","2026_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":[]}