{"nhtsa_id":635670,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-30","date":"2002-08-12","document_id":"0300302","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"CUSTOMER MAY COMPLAIN OF A HIGH-PITCHED SOUND COMING FROM THE REAR AXLE OF THE VEHICLE BETWEEN 55 AND 70 MPH (88-112 KPH). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635670","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_jeep_grand-cherokee","2000_jeep_grand-cherokee","2001_jeep_grand-cherokee"]}],"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":[]}