{"nhtsa_id":10004717,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-01-02","date":"2004-09-01","document_id":"030419001A","mfr_campaign":null,"replaces":"030419001B","component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"USE OF SYNTHETIC FRONT AXLE LUBRICANT FOR 4WD VEHICLES SOLD IN COLD WEATHER CLIMATES. *TT THIS BULLETIN REPLACED PREVIOUS BULLETIN DATED 10/01/2003. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004717","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_chevrolet_avalanche","2003_chevrolet_avalanche","2004_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_chevrolet_suburban","2003_chevrolet_suburban","2004_chevrolet_suburban"]},{"make":"GMC","model":"SIERRA","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_gmc_yukon","2003_gmc_yukon","2004_gmc_yukon"]}],"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":[]}