Service brakes, air: supply: low pressure warning: switch (Emergency One)
Vehicle recall 88V-171. NHTSA received E-ONE, INC.’s report on Nov 1, 1988.
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The short answer
NHTSA received E-ONE, INC.’s report on Nov 1, 1988. Copied from NHTSA on Oct 26, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
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.
USE OF THE AIR HORN CAN CAUSE THE AIR PRESSURE TO DROP BELOW 85 PSI.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- NHTSA’s part: Service brakes, air: supply: low pressure warning: switch.
What should you do?
INSTALL PRESSURE PROTECTION VALVES IN ALL AIR HORN CIRCUITS.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- How to reach the firm: SYSTEM: AIR PRESSURE/BRAKES.VEHICLE INFORMATION: AMBULANCE UNITS WITH ROCKWELL U170 AND S170 AXLES.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 71 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- Emergency One Ambulanceand 1984, 1985, 1986 and 1987, before the model years listed here
Who is recalling it?
- Made by E-ONE, INC..
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 26, 2026 and checked Oct 26, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 26, 2026.