Orion/hydraulic pump
Defect Summary
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.
Safety Consequence
Excessive movement of the coupling can disengage the two pump shafts, causing loss of power steering.
Corrective Action
Dealers are inspecting and retrofitting the couplings on these pumps.
Similar Recalls
Other recalls from Daimler Commercial Buses Na or involving Steering.
FAQ: Recall 98V175000
Your rights, the repair process, and what each field on this page means.
What is recall 98V175000?
NHTSA recall 98V175000 was issued by Daimler Commercial Buses Na on July 31, 1998. It addresses: Orion/hydraulic pump. The recall affects approximately 52 vehicles, with the defect involving the Steering component.
How do I get this recall repaired?
Contact any authorized Daimler Commercial Buses Na dealer and reference NHTSA recall ID 98V175000 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.