{"nhtsa_id":10207654,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-02-05","date":"2022-01-13","document_id":"2046299/13","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"Bentayga - 1.2KHz - 1.4KHz rear brake squeal. Customer statement / workshop findings Squeal from the rear of the vehicle at low speed while braking. Technical background: While braking at low speed, a vibration of 1.2 to 1.4 KHz can be produced by the friction between the rear brake pad and disc resulting in a complaint of brake noise from the customer. Measure: 1) Follow the Brake noise identification TPI 2052785 - IMPORTANT: For frequency analysis the noise recording equipment Bentley Motors recommends is the Chassis ear tool WT 10437 2) If the sound recording produces a frequency of 1.2-1.4KHz - Remove the rear brake pads - Referring to Figure 1 - Take clear photographs of all four brake pad markings NOTE: Although Figure 1 shows two brake pads, photographs of all four brake pads should be taken","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10207654-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10207654-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10207654","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_bentley_bentayga","2018_bentley_bentayga"]},{"make":"BENTLEY","model":"BENTAYGA","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_bentley_bentayga","2021_bentley_bentayga","2022_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":[]}