Brakes:121 brake system
Defect Summary
Fmvss 121 requires that the air operated oil line to the wet air pressure tank contain an automatic high pressure valve to protect the brake air lines. this pressure valve was omitted. consequence of defect: the omission of the protection pressure valve could allow the air line pressure to increase to the point that it would damage the air lines and would result in draining air pressure from the brake system causing loss of brakes which could lead to an accident.
Corrective Action
Add pressure protection valve to the tee in the air accessory line.
Similar Recalls
Other recalls from Blue Bird Body Company or involving Service Brakes, Air.
FAQ: Recall 85V171000
Your rights, the repair process, and what each field on this page means.
What is recall 85V171000?
NHTSA recall 85V171000 was issued by Blue Bird Body Company on December 26, 1985. It addresses: Brakes:121 brake system. The recall affects approximately 11 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Blue Bird Body Company dealer and reference NHTSA recall ID 85V171000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.