Campaign 20V-526

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…

Defect summary

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.

Consequence

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.

Source: NHTSA ODI recalls file, campaign 20V526000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about engine and cooling on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 20V-526
Make	Model	Model years	Complaints on this component
MCI	J4500	2017 to 2020	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

This recall followed an NHTSA defect investigation

PE20001 Supply and return heater hose rupture
Opened Mar 13, 2020, closed Sep 21, 2020

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