{"nhtsa_id":10029324,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-07-06","date":"2009-04-28","document_id":"MTB-200914","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"MASERATI: QUATTROPORTE DUOSELECT SERVICE CAMPAIGN REGARDING INSTALLATION OF THE RIGHT CATALYTIC CONVERTER HEAT SHIELD. THE INSTALLATION OF THE HEAT SHIELD WILL REDUCE THE HEAT GENERATED FROM THE CATALYTIC CONVERTER TO THE CLUTCH HOUSING AREA AND ALSO HEATING EFFECT IN THE PASSENGER COMPARTMENT. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10029324","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MASERATI","model":"QUATTROPORTE","year_from":2006,"year_to":2007,"match":"exact","vehicle_ids":["2006_maserati_quattroporte","2007_maserati_quattroporte"]},{"make":"MASERATI","model":"QUATTROPORTES","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_maserati_quattroporte"]}],"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":[]}