{"nhtsa_id":10201678,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-29","date":"2021-09-27","document_id":"PAB053-2021","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TBB Product Awareness Bulletin for WEBASTO HEATERS WITH DETROIT DD5 ENGINE. Detroit DD5 engines have introduced improved performance in both fuel efficiency and active regens. Their efficient technology has made them ideal products for many customers. Thomas Built Buses recommends that Saf-T-Liner C2 orders configured with a Detroit diesel engine also include Webastofuel burning heaters in the cold climate domiciles listed below.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201678-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201678-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201678","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"THOMAS BUILT BUSES","model":"SAF-T-LINER C2","year_from":2022,"year_to":2022,"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":[]}