Recall 21V-684: 2020–2022 Mack MD

Mack Trucks, Inc. recall for service brakes, hydraulic, reported to NHTSA on Sep 1, 2021, covering about 2,823 vehicles.

Do not drive this vehicle until the recall repair is done.
NHTSA number
21V-684
Report date
Sep 1, 2021
Vehicles affected
2,823
Owners notified
Sep 13, 2021

The problem

Mack Trucks, Inc. (Mack) is recalling certain 2020-2022 Mack MD vehicles. The cotter pin that retains the brake pedal clevis pin may not have been properly installed, which could result in an unsecured brake pedal.

The risk

An unsecured brake pedal can cause a loss of braking ability and increase the risk of a crash.

The fix

Owners are advised to not drive their vehicles until the remedy has been performed. Dealers will inspect the cotter pin installation and repair it as necessary, free of charge. Owner notification letters were mailed on September 13, 2021. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0429.

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

ManufacturerMack Trucks, Inc.
ComponentService Brakes, Hydraulic › Pedals and Linkages
Recall started bythe manufacturer
NHTSA campaign number21V684000

Vehicles in this recall

VehicleModel years
Mack MD2020, 2021, 2022All 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-684?

Mack Trucks, Inc. (Mack) is recalling certain 2020-2022 Mack MD vehicles. The cotter pin that retains the brake pedal clevis pin may not have been properly installed, which could result in an unsecured brake pedal.

How is recall 21V-684 fixed?

Owners are advised to not drive their vehicles until the remedy has been performed. Dealers will inspect the cotter pin installation and repair it as necessary, free of charge. Owner notification letters were mailed on September 13, 2021. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0429.

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.