{"nhtsa_id":11036220,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-17","date":"2026-08-14","document_id":"PIP6131","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary Information (PI) relays to dealer technicians to replace the engine and turbocharger if there is a lack of lubrication to the rocker arms or rocker arm components.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036220-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036220-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036220","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["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":[]}