{"nhtsa_id":11036341,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-25","date":"2026-08-20","document_id":"01-093","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"\"KW: On certain T680 BEV chassis, installing an updated A/C suction line between the A/C compressor and thermostatic expansion valve (TXV) will help maintain optimal performance and protect the evaporator core tubing and TXV seals. PB: On certain Model 579 BEV chassis, installing an updated A/C suction line between the A/C compressor and thermostatic expansion valve (TXV) will help maintain optimal performance and protect the evaporator core tubing and TXV seals.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036341-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036341-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036341","components":[],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_kenworth_t680","2023_kenworth_t680","2024_kenworth_t680"]},{"make":"PETERBILT","model":"579","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_peterbilt_579","2023_peterbilt_579","2024_peterbilt_579","2025_peterbilt_579"]}],"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":[]}