{"nhtsa_id":638008,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-12-09","date":"2002-05-16","document_id":"502","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"SUBJECT REGARDING 4-WHEEL DRIVE DIFFERENTIAL FLUID. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/638008","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"HONDA","model":"CR-V","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_honda_cr-v"]}],"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":[]}