{"nhtsa_id":11033212,"type":"other","type_name":"Other","date_added":"2026-06-03","date":"2026-04-21","document_id":"ZFL-IB-001","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"McNeilus Truck and Manufacturing provides instructions for installing an updated park brake valve pressure switch. The updated pressure switch has a higher pressure activation and reset values which reduces the delay experienced with the previous pressure switch and addresses an unintended door alarm.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033212-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033212-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033212","components":[],"codes":[],"topics":[],"vehicles":[{"make":"MCNEILUS","model":"VOLTERRA ZFL","year_from":2024,"year_to":2025,"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":[]}