{"nhtsa_id":11028253,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-04","date":"2026-01-27","document_id":"9100758","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"If replacing the oil pump on 23MY WS 3.0L SO, please follow the diagnostic procedure \"09 - Engine, 3.0L GMET6 / Lubrication / PUMP, Engine Oil / Removal and Installation / ENGINE OIL PUMP\" to replace the pump without removing the transmission and using the original solenoid.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028253-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028253-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028253","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_wagoneer"]}],"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":[]}