{"nhtsa_id":10237225,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-05","date":"2023-05-02","document_id":"C2602A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This In-Shop Campaign is being issued to address potential external coolant leaks resulting in water pump replacements on certain X12 CM2350 X119B and CM2450 X137B in DTNA chassis. This field action authorizes the replacement of the secondary drive belt, Cummins PN 6326092. This In-Shop Campaign does not reimburse for any SRTs, nor parts, except those that are listed. It is recommended, but not required, that this Field Action be performed as part of another Cummins warrantable repair event to allow reimbursement for charges such as travel, troubleshooting, or access issues that are outside the scope of this document. This is an update to the previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237225-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237225-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237225","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"X12","year_from":null,"year_to":null,"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":[]}