2021–2025 Nova Bus LFS Recall: Impeller shaft may be loose, causing the cooling pump to fail
NHTSA campaign 25V822000 · Engine and Engine Cooling · filed Nov 28, 2025 · verified Jul 30, 2026
The defect
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2021 and 2024-2025 LFS transit buses. The impeller shaft may be loose, causing the cooling pump to fail.
The risk
A cooling pump failure can cause a loss of drive power, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Nova Bus will inspect and replace the pump as necessary, free of charge. Owner notification letters were mailed February 3, 2026.Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus' number for this recall is CR5803. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 27, 2026.
Affected vehicles
Related recalls
More Nova Bus LFS recalls
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Other campaigns involving Nova Bus vehicles
Source: NHTSA recall database, campaign 25V822000 (manufacturer number CR5803). Data last verified Jul 30, 2026.