{"nhtsa_id":10180062,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-06","date":"2020-09-05","document_id":"Circular26M4REV2","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"\"Over time and mileage, the factory-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions (IM) inspection. Updated claiming instructions and part information with Criteria M1 information. Updated claiming and work instructions to include rivet (N -038-549-4) for the noise insulation. Due to a change in the repair manual, this rivet is now a mandatory replacement part. Updated work instructions to include a caution about working with exhaust fasteners.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180062-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180062-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10180062","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"ATLAS","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_volkswagen_atlas"]}],"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":[]}