{"nhtsa_id":10176307,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-15","date":"2020-05-08","document_id":"PIP5727","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the customer that the noise will diminish over mileage and should dissipate after 3,000 ? 4,000 miles of driving and does not pose a durability concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176307-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176307-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176307","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]}],"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":[]}