{"nhtsa_id":11021399,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-05","date":"2025-07-02","document_id":"E323","mfr_campaign":"E323","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"A required spacer tool set is now available to streamline the injector replacement process. The spacer tool set allows certain fuel system components to be loosened instead of removed to provide access to the injectors. See Bulletin 98-031 for details. Tools are not reimbursable through this Bulletin.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021399-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021399-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021399","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"L770","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_l770"]},{"make":"KENWORTH","model":"T680","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_t880"]},{"make":"KENWORTH","model":"W990","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_w990"]},{"make":"PETERBILT","model":"520","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_peterbilt_520"]},{"make":"PETERBILT","model":"567","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_peterbilt_579"]},{"make":"PETERBILT","model":"589","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_peterbilt_589"]}],"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":[]}