MCI Recalls 2017-2020 J4500 Motor Coaches for Coolant Hose Failure
Motor Coach Industries is recalling 2017-2020 J4500 motor coaches because a coolant hose may fail, causing engine shutdown and coolant spills that increase crash risk.
What this means for you
Our assessment, not the agency’s: severity 3/5 (High).
Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.
Our severity reasoning: The recall involves a risk-of-harm product (vehicle) where injury has not yet been reported, fitting the 'High' severity criteria for potential crash and injury risks without confirmed fatalities or serious injuries.
Plain-English summary
Motor Coach Industries (MCI) is recalling certain 2017-2020 J4500 motor coaches. The recall addresses a defect where the coolant hose may fail. This failure results in a low coolant warning followed by an engine shut down sequence, as well as the potential for engine coolant to spill onto the roadway.
The spilled coolant may increase the risk of a crash. Additionally, the need to transfer passengers from the disabled bus can increase their risk of injury. The recall began on October 30, 2020.
MCI will notify owners, and dealers will replace the coolant hose free of charge. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 486. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
The recalled product
- Product
- MCI J4500
- Brand
- MCI
- Manufacturer
- Motor Coach Industries
- Category
- Vehicle — Motor Coach
- Hazard
- Affected units
- 1,561
Is your product affected?
Check your packaging against the codes below. If any of them match, the product is part of this recall.
Model numbers (1)
- J4500
Distribution
Distributed nationwide across the United States.
Related recalls
Same brand · MCI
- HighMCI Recalls 2018-2026 Buses for Hazard Light Indicator Defect
NHTSA · 2026-10-05
- HighMCI Transit Buses Recalled for Incorrect Front Door Glazing Material
NHTSA · 2025-12-10
- SevereMCI Recalls 2024-2025 Electric Coaches Due to Battery Fire Risk
NHTSA · 2025-09-19
- SevereMCI Recalls Electric Buses Due to Battery Overheating and Fire Risk
NHTSA · 2025-08-29
- High
Same manufacturer · Motor Coach Industries
See all →- SevereMCI Recalls 2021 D45CRTeLE Buses Due to Battery Fire Risk
NHTSA · 2024-08-20
- High
- HighMCI Recalls 2019-2021 Coaches Due to Obstructed Rear Lighting
NHTSA · 2023-04-05
- SevereMCI Recalls Diesel Buses Due to Fuel Tube Fire Risk
NHTSA · 2021-12-15
Same hazard · crash risk
See all →- Severe
- HighAltec Recalls 2026 Vehicles Missing Rearview Cameras
NHTSA · 2026-10-09
- Severe
- HighFord Recalls 2015 Transit Connect Vehicles for Rearview Camera Defect
NHTSA · 2026-10-06
- SevereGreat Dane Recalls 2027 Champion Trailers Due to Coupler Defect
NHTSA · 2026-10-06
Similar recalls
- SevereMCI J4500 and J3500 Motor Coaches Recalled for Brake Hose Defect
NHTSA · 2020-04-27
- SevereMCI Recalls 2014-2017 J4500 Motor Coaches Due to Brake Hose Defect
NHTSA · 2017-06-02
- HighMCI Recalls J4500 Motor Coaches Due to Brake Hose Wear Risk
NHTSA · 2015-01-05
- HighMCI Recalls 2017 J4500 Motorcoaches Due to Brake Warning Defect
NHTSA · 2016-09-30
- SevereMCI Recalls 2016 J4500 Motor Coaches Due to Seat Mounting Defect
NHTSA · 2015-12-22
- HighMCI Recalls 2018 J4500 Motor Coaches Due to Window Separation Risk
NHTSA · 2018-04-09