{"nhtsa_id":10183518,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-02","date":"2020-11-30","document_id":"No. 156-20","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY","mfr_system":null,"summary":"Instructions for cleaning the radiator in the event that vertical stripes or spots are visible on the middle radiator.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183518-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183518-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183518","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"radiator","name":"Radiator","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"718 SPYDER","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_porsche_718-spyder"]},{"make":"PORSCHE","model":"CAYMAN","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]}],"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":[]}