Emergency One Recall 88V171000: Service Brakes, Air, Supply, Low Pressure Warning, Switch

NHTSA recall 88V171000 · announced November 1, 1988 · filed by E-one, Inc. · 71 units affected

The problem

USE OF THE AIR HORN CAN CAUSE THE AIR PRESSURE TO DROP BELOW 85 PSI.

The risk

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.

What to do

INSTALL PRESSURE PROTECTION VALVES IN ALL AIR HORN CIRCUITS.

Official NHTSA recall notice →

Notes

SYSTEM: AIR PRESSURE/BRAKES.VEHICLE INFORMATION: AMBULANCE UNITS WITH ROCKWELL U170 AND S170 AXLES.

Vehicles covered by this recall

• 1984 Emergency One Ambulance
• 1985 Emergency One Ambulance
• 1986 Emergency One Ambulance
• 1987 Emergency One Ambulance

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.