Brake support bolt may break
Defect Summary
Proterra is recalling certain 2016-2017 proterra catalyst 40 transit buses equipped with axles with radial air disk brakes. surface roughness of a guide pin in the radial brake calipers may cause the brake carriage guide pin support bolt to break.
Safety Consequence
Breakage of the guide pin can cause loss of braking ability or loss of tire pressure, increasing the risk of a crash.
Corrective Action
Proterra will notify owners and have them replace the calipers on the affected axles, free of charge. Owners may contact proterra customer service at 1-864-438-0000.
Similar Recalls
Other recalls from Proterra Operating Company, Inc. or involving Service Brakes, Air.
FAQ: Recall 18V750000
Your rights, the repair process, and what each field on this page means.
What is recall 18V750000?
NHTSA recall 18V750000 was issued by Proterra Operating Company, Inc. on October 23, 2018. It addresses: Brake support bolt may break. The recall affects approximately 62 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Proterra Operating Company, Inc. dealer and reference NHTSA recall ID 18V750000 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.