{"nhtsa_id":10114223,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-10-22","document_id":"G-177677","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"13360 - Service Update. This bulletin provides a service procedure to check the rear differential fluid level. The rear differential assembly for these vehicles may have been shipped from the supplier with insufficient fluid. If the fluid is low, dealers are to add fluid and test drive the vehicle. If a loud whine, gear, or bearing noise is observed during the test drive, dealers are to contact the GM Product Quality Center (PQC) for additional instructions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114223-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114223-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114223","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":[]}