{"nhtsa_id":10032869,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-06-04","date":"2009-06-01","document_id":"PIP-4647A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; STEERING:GEAR BOX (OTHER THAN RACK AND PINION)","mfr_system":null,"summary":"GMC/CHEVROLET/SAAB/HUMMER: BIND/TIE-UP IN FOURTH GEAR, NO SECOND OR FOURTH GEARS, OVERRUN CLUTCH DISTRESS. DURING DISASSEMBLY OF THE TRANSMISSION TECHNICIANS MAY FIND THAT THE 2-4 BAND (ITEM 602 IN SI DOCUMENT 1553208) AND THE OVERRUN CLUTCH (645) ARE BOTH DISTRESSED WHILE NO OTHER CLUTCHES ARE DAMAGED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032869","components":[{"id":"steering","name":"Steering","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"steering-gear","name":"Steering gear","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_colorado"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_tahoe"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_trailblazer"]},{"make":"GMC","model":"CANYON","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_canyon"]},{"make":"GMC","model":"ENVOY","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_envoy"]},{"make":"GMC","model":"SAVANA","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_yukon"]},{"make":"HUMMER","model":"H3","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_hummer_h3"]},{"make":"SAAB","model":"9-7X","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_saab_9-7x"]}],"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":[]}