Pump Failure May Cause Loss of Drive Power
Safety Recall
- Manufacturer
- Nova Bus (US) Inc.
- Units affected
- 25
- Recall opened
- Dec 5, 2025
- Owner notification
- Jan 30, 2026
- Manufacturer campaign
- ER25510
- Type
- Equipment
Affected vehicles (2)
- AMETEK ECP WATER PUMP9999
- AMETEK MCP WATER PUMP9999
Component / system
Defect
Nova Bus (US) Inc. (Nova Bus) is recalling certain Ametek MCP and ECP water pumps. The impeller shaft may be loose, causing the pump to fail.
Risk / consequence
A pump failure can cause a loss of drive power, increasing the risk of a crash.
Remedy
Nova Bus will inspect and replace the pump as necessary, free of charge. Owner notification letters were mailed January 30, 2026. Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus' number for this recall is ER25510.
Chronology of events
- Feb 2, 2025
February 02, 2025: Nova Bus was notified by a customer regarding an impeller/shaft issue.
- Mar 14, 2025
March 14, 2025: Nova Bus Product Safety Office generated an alert and initial review is started.
- Mar 14, 2025
March 14, 2025: Initial findings reviewed, Product Safety Office opens a case for further investigation.
- Mar 31, 2025
March 31, 2025: Nova Bus release an internal campaign.
- Sep 25, 2025
September 25, 2025: Product Safety Evaluation Committee evaluates and recommends issue to be escalated to Product Safety Committee.
- Oct 2, 2025
October 02, 2025: Product Safety Committee determination of product defect.
- Oct 9, 2025
October 09, 2025: Nova Bus submits a foreign recall report to NHTSA and advises that a voluntary recall will be performed for vehicles in Canada.
- Nov 21, 2025
November 21, 2025: Nova identified that 3 US buses, included in the internal campaign, may not have been corrected adequately prior to being shipped to customers.
- Nov 28, 2025
November 28, 2025: Nova Bus files 573 with NHTSA that a voluntary recall will be released to address the safety-related defect.
- Nov 28, 2025
November 28, 2025: Product Safety Committee determination of equipment recall needed for parts sold in aftermarket.
- Dec 5, 2025
December 5, 2025: Nova Bus files 573 with NHTSA/TC that a voluntary equipment recall will be released to address the safety-related defect. There have been 0 warranty claims, 0 field reports, 0 accidents or 0 injuries reported with this issue.
Notification schedule
- Dealer notification
- No Dealers
- Owner notification
- Feb 03, 2026 - Feb 03, 2026 Phased Recall
Documents (7)
Source: NHTSA campaign 25E083000. Always confirm recall status and remedy availability with the manufacturer or a dealer using your VIN.