Cooling system: hoses/lines/piping/fittingsRecall 20V-526 · 2017–2020 Mci J4500
Motor Coach Industries recall 20V-526 covers 1,561 2017–2020 Mci J4500 for a cooling system: hoses/lines/piping/fittings problem, reported to NHTSA on August 31, 2020. The manufacturer's latest report (2022 Q3) shows 74% of affected vehicles repaired.
Source: NHTSA recall 20V526000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
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.
The risk
The spilled coolant may increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase their risk of injury.
The fix
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.
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.
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
74%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.
The investigation behind this recall
- Supply and return heater hose ruptureNHTSA