Nabi/fmvss 121
Defect Summary
Vehicle description: transit buses. the brake system response time for apply and the stopping distance requirement when the control line was disconnected at the rear relay valve did not comply with the requirements of fmvss no. 121, "air brake system."
Safety Consequence
Increased braking distance can occur increasing the risk of a vehicle crash.
Corrective Action
Dealers will add a double check valve at the control port of the service relay valve and replace a 5/8" line with a 3/4" line from the front service reservoir to the brake pedal.
Similar Recalls
Other recalls from Nabi Bus, Llc or involving Service Brakes, Air.
FAQ: Recall 98V274000
Your rights, the repair process, and what each field on this page means.
What is recall 98V274000?
NHTSA recall 98V274000 was issued by Nabi Bus, Llc on October 29, 1998. It addresses: Nabi/fmvss 121. The recall affects approximately 196 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Nabi Bus, Llc dealer and reference NHTSA recall ID 98V274000 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.