Brakes:air lines and fittings
Defect Summary
A brake air line plumbing error causes the spring brakes to be applied without brake application when the air pressure in the primary tank drops to a level which automatically activates the spring brake system.
Safety Consequence
Activation of the spring brake system without operatorbrake application will cause the spring brake to be applied, locking the brakeswithout any warning to the operator.
Corrective Action
Replace and reroute air brake hose to comply with fmvss 121.
Similar Recalls
Other recalls from Thomas Built Buses, Inc. or involving Service Brakes, Air.
FAQ: Recall 92V078000
Your rights, the repair process, and what each field on this page means.
What is recall 92V078000?
NHTSA recall 92V078000 was issued by Thomas Built Buses, Inc. on May 19, 1992. It addresses: Brakes:air lines and fittings. The recall affects approximately 24 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Thomas Built Buses, Inc. dealer and reference NHTSA recall ID 92V078000 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.