{"nhtsa_id":11022142,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-08-26","date":"2025-08-26","document_id":"N252519310","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Certain vehicles listed above, may have a condition in which the torque on the engine thermostat housing fasteners is low. Dealers will inspect for engine cooling system leaks originating at the thermostat housing. If a leak is present the thermostat housing gasket and seal will be replaced, fasteners secured to correct torque and coolant system refilled. If leak does not exist, torque fasteners to the 10Nm.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022142-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022142-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022142","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_cadillac_ct4","2026_cadillac_ct4"]}],"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":[]}