NHTSA Campaign 88V171000
SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
Issued by E-ONE, INC. · Reported Nov 1, 1988 · 71 vehicles affected
What's wrong
USE OF THE AIR HORN CAN CAUSE THE AIR PRESSURE TO DROP BELOW 85 PSI.
Consequence
IF AIR PRESSURE DROPS BELOW 85 PSI WHILE THE VEHICLE ISBEING DRIVEN THE REAR BRAKE SPRING CHAMBERS WILL START TO APPLY CAUSING THEREAR BRAKE DRUMS TO OVERHEAT.
Remedy
INSTALL PRESSURE PROTECTION VALVES IN ALL AIR HORN CIRCUITS.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| EMERGENCY ONE | AMBULANCE | 1984 | 71 |
| EMERGENCY ONE | AMBULANCE | 1985 | 71 |
| EMERGENCY ONE | AMBULANCE | 1986 | 71 |
| EMERGENCY ONE | AMBULANCE | 1987 | 71 |
Source: NHTSA Campaign 88V171000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.