{"nhtsa_id":10030704,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-11-13","date":"2009-05-12","document_id":"TSB-10-09","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"PORSCHE: THERE IS THE POSSIBILITY OF EXCESSIVE CLAMPING FORCE ON THE CLAMPS ON THE FRONT MUFFLER INCREASING THE FORCE OF VIBRATIONS ON THE EXHAUST SYSTEM. AS A RESULT, IT IS POSSIBLE THAT THE EXHAUST PIPES ON THE REAR MUFFLERS CAN CRACK ON VEHICLES WITH HIGH MILEAGE. THIS CAN CAUSE NOISES AND LEAKS AT THE REAR MUFFLERS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030704","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911 CARRERA","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA 4","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA 4S","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA S","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]},{"make":"PORSCHE","model":"911 TARGA 4","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]},{"make":"PORSCHE","model":"911 TARGA 4S","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_porsche_911"]}],"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":[]}