Hydraulic power assist: pumpRecall 21V-851 · 2020–2021 Oshkosh S-series
Oshkosh Corporation recall 21V-851 covers 697 2020–2021 Oshkosh S-series for a hydraulic power assist: pump problem, reported to NHTSA on November 2, 2021. The manufacturer's latest report (2023 Q3) shows 9% of affected vehicles repaired.
Source: NHTSA recall 21V851000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Oshkosh Corporation (Oshkosh) is recalling certain 2020-2021 S-Series vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.
The risk
A loss of power steering assist increases the risk of a crash.
The fix
Owners will inspect and replace the power steering pump as necessary. Owners may perform this work themselves or reach out to one of our service centers to perform the inspection and repair work free of charge. Owner notification letters were mailed on December 15, 2021. Owners may contact Oshkosh customer service at 1-888-686-7278.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
9%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.