NHTSA Recall 20V526000: Hoses/lines/piping/fittings (engine and engine cooling)
Motor Coach Industries reported this safety recall to NHTSA on , covering an estimated 1,561 vehicles. It affects 2017–2020 Mci J4500.
| NHTSA campaign | 20V526000 |
|---|---|
| Manufacturer campaign | SB 486 |
| Component | ENGINE AND ENGINE COOLING › COOLING SYSTEM › HOSES/LINES/PIPING/FITTINGS |
| Report received | August 31, 2020 |
| Owner notification | October 30, 2020 |
| Initiated by | NHTSA Office of Defects Investigation |
Defect
Motor Coach Industries (MCI) is recalling certain 2017-2020 J4500 motor coaches. The coolant hose may fail, resulting in a low coolant warning followed by an engine shut down sequence, as well as the potential for engine coolant spilling on the roadway.
Safety risk
The spilled coolant may increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase their risk of injury.
Remedy
MCI will notify owners, and dealers will replace the coolant hose, free of charge. The recall began October 30, 2020. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 486.
Notes
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.
Vehicles covered by recall 20V526000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.