{"nhtsa_id":10183623,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-03","date":"2020-11-23","document_id":"2061040/2","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Abnormal buzzing/vibrating/grinding noise (Front of vehicle). Customer statement / workshop findings. Customer statement: Buzzing/vibrating/grinding noise can be heard from the front of the engine, mainly from cold start at idle Workshop findings Noise emitting from the air conditioning belt idler (Figure 1 Point A) Technical background: Should the noise be evident from the air conditioning belt idler - Refer to the Measure section of this TPI The operative must confirm the noise is not from any other components for example the alternator belt tensioner before conducting the instructions within the Measure section of this TPI.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183623-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183623-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183623","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_bentley_bentayga","2019_bentley_bentayga","2020_bentley_bentayga","2021_bentley_bentayga"]}],"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":[]}