{"nhtsa_id":10202767,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-01","date":"2021-10-14","document_id":"SA-050-21a","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"Some customers may complain about an unusual thumping / rattling noise coming from the engine compartment. The noise is most pronounced under the following conditions: Engine at idle, Transmission in drive, Foot on the brake pedal, A/C OFF, Audio OFF, The noise may be caused by loose fitting heater hoses vibrating the heater hose bracket protector.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202767-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202767-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10202767","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-5","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_mazda_cx-5","2018_mazda_cx-5"]}],"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":[]}