Hydraulic power assist: pumpRecall 98V-175 · Orion vehicles
ORION BUS INDUSTRIES, INC. recall 98V-175 covers 52 Orion vehicles for a hydraulic power assist: pump problem, reported to NHTSA on July 31, 1998.
Source: NHTSA recall 98V175000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
VEHICLE DESCRIPTION: TRANSIT BUSES EQUIPPED WITH SUNSOURCE/FAUVER TANDEM HYDRAULIC PUMPS. THE HYDRAULIC PISTON PUMP IS DRIVEN BY THE ENGINE AND A SHAFT OUT OF THE BACK OF THE PUMP PROVIDING POWER TO THE POWER STEERING PUMP. THE SHAFTS ARE CONNECTED TOGETHER WITH A COUPLING. THIS COUPLING IS FITTED WITH TWO RETAINER CLIPS WHICH KEEPS IT CENTERED BETWEEN THE TWO PUMPS. THESE BUSES WERE SHIPPED MISSING THE COUPLING RETAINER CLIPS.
The risk
EXCESSIVE MOVEMENT OF THE COUPLING CAN DISENGAGE THE TWO PUMP SHAFTS, CAUSING LOSS OF POWER STEERING.
The fix
DEALERS ARE INSPECTING AND RETROFITTING THE COUPLINGS ON THESE PUMPS.
OWNER NOTIFICATION HAS BEGUN.ALL OWNERS HAVE BEEN NOTIFIED.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.