{"nhtsa_id":10114229,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-11-07","document_id":"G-178890","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"13384 - Customer Satisfaction. The rear differential assembly may have been shipped from the supplier with insufficient fluid. Operating the vehicle without sufficient fluid in the rear differential assembly could produce a loud whine and/or gear or bearing noise. Dealers are to inspect the rear differential fluid level and add fluid, if necessary. If fluid is required, dealers are to also road-test the vehicle and listen for rear axle noise. If a whine, gear or bearing noise is present, dealers are to replace the rear differential assembly.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114229-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114229-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114229","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_corvette"]}],"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":[]}