{"nhtsa_id":628811,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-03-21","date":"2006-05-01","document_id":"010730042","mfr_campaign":null,"replaces":"010730042D","component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT A CLUNK NOISE THAT CAN BE HEARD ON A 2-3 UPSHIFT ON 2002 AND PRIOR LIGHT DUTY TRUCKS. *TT UPDATE. 2007 AND PRIOR PASSENGER CARS AND LIGHT DUTY TRUCKS. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/628811","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"BUICK TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CADILLAC","model":"CADILLAC TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CHEVROLET TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2007,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2","2005_hummer_h2","2006_hummer_h2","2007_hummer_h2"]},{"make":"HUMMER","model":"H3","year_from":2006,"year_to":2007,"match":"exact","vehicle_ids":["2006_hummer_h3","2007_hummer_h3"]},{"make":"OLDSMOBILE","model":"OLDSMOBILE TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"PONTIAC TRUCK","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"SAAB","model":"9-7X","year_from":2005,"year_to":2007,"match":"exact","vehicle_ids":["2005_saab_9-7x","2006_saab_9-7x","2007_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":[]}