{"nhtsa_id":10110368,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-04","date":"2017-02-01","document_id":"PI 0875","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve, Replacement, Certain MACK CHU, CXU, and GU trucks built between 10/03/2016 and 11/07/2016 may experience a coolant leakage issue with the Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve. To resolve this issue, replacement of the Aftertreatment DEF dosage valve is required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110368-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110368-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10110368","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2017,"year_to":2017,"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":[]}