{"nhtsa_id":10043579,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-04-11","date":"2012-01-01","document_id":"PIP-4750-D","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS","mfr_system":null,"summary":"CHEVROLET/PONTIAC: WHILE ENGINE IS RUNNING, THE BELT SQUEAKS AND CRANKSHAFT BALANCER APPEARS WOBBLY OR OUT OF BALANCE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043579","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"},{"id":"drive-belt","name":"Drive belts","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAMARO","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_chevrolet_camaro","2011_chevrolet_camaro","2012_chevrolet_camaro"]},{"make":"CHEVROLET","model":"CAPRICE","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_chevrolet_corvette","2010_chevrolet_corvette","2011_chevrolet_corvette","2012_chevrolet_corvette"]},{"make":"PONTIAC","model":"G8","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_pontiac_g8","2009_pontiac_g8"]}],"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":[]}