Recall 21V-971: 2021 MCI D4000, 2019–2022 MCI D4000 Istv and 6 more

Motor Coach Industries recall for fuel system, diesel, reported to NHTSA on Dec 15, 2021, covering about 1,125 vehicles.

NHTSA number
21V-971
Report date
Dec 15, 2021
Vehicles affected
1,125
Owners notified
Mar 11, 2022

The problem

Motor Coach Industries (MCI) is recalling certain 2019-2022 D4000 ISTV, D4500, 2021 D4000, D4520, 2020-2021 D4505, D4005, 2020-2022 D45CRTLE, and 2019-2021 J4500 vehicles equipped with certain Cummins X12 diesel engines. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.

The risk

A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

The fix

On engines with 75 miles or less, Cummins dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-028.

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.nhtsa.gov.

Recall details

ManufacturerMotor Coach Industries
ComponentFuel System, Diesel › Fuel Injection System › Fuel Rail
Recall started bythe manufacturer
NHTSA campaign number21V971000

Vehicles in this recall

VehicleModel years
MCI D40002021All years
MCI D4000 Istv2019, 2020, 2021, 2022All years
MCI D40052020, 2021All years
MCI D45002019, 2020, 2021, 2022All years
MCI D45052020, 2021All years
MCI D45202021All years
MCI D45CRTLE2020, 2021, 2022All years
MCI J45002019, 2020, 2021All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 21V-971?

Motor Coach Industries (MCI) is recalling certain 2019-2022 D4000 ISTV, D4500, 2021 D4000, D4520, 2020-2021 D4505, D4005, 2020-2022 D45CRTLE, and 2019-2021 J4500 vehicles equipped with certain Cummins X12 diesel engines. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.

How is recall 21V-971 fixed?

On engines with 75 miles or less, Cummins dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-028.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.