{"nhtsa_id":11007756,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-09-13","date":"2023-09-22","document_id":"SC-23-128","mfr_campaign":"SC-23-128","replaces":null,"component":"ENGINE; FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"The procedure describes the process of rerouting the rooftop coolant lines so the expansion tank is downstream of the HVAC chiller and lowers the pressure drop between expansion tank and pump inlet.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-11007756-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-11007756-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11007756","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PROTERRA","model":"ZX5","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]}],"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":[]}