{"nhtsa_id":10121828,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-11-16","document_id":"9003633","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Water Pump Dealers are replacing water pumps because of a coolant leak. Water pumps are found TNF but the water pump bypass o-ring was pinched resulting in a coolant leak that looks like a failed pump. Please inspect the bypass o-ring before replacing the pump as it is available separate for service.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121828-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121828-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121828","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2014,"year_to":2017,"match":"exact","vehicle_ids":["2014_jeep_grand-cherokee","2015_jeep_grand-cherokee","2016_jeep_grand-cherokee","2017_jeep_grand-cherokee"]},{"make":"RAM","model":"1500","year_from":2014,"year_to":2017,"match":"exact","vehicle_ids":["2014_ram_1500","2015_ram_1500","2016_ram_1500","2017_ram_1500"]}],"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":[]}