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Mack MD Recall 21V684: Loose Brake Pedal Could Cause Loss of Braking

NHTSA campaign 21V684, reported September 1, 2021, 2,823 vehicles potentially affected.

What this recall means for you

The cotter pin that holds the brake pedal clevis pin in place may not have been installed correctly at the factory. If the pin is not secure, the brake pedal can become unsecured, which can cause a loss of braking ability and raise the risk of a crash.

Owners are advised not to drive the vehicle until the remedy has been performed. Authorized dealers will inspect the cotter pin installation and repair it as necessary, free of charge. Owner notification letters were mailed on September 13, 2021. You can also contact Mack customer service at 1-800-866-1177 and reference recall number SC0429.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V684Mack Trucks, Inc.
Component
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
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.
Risk
An unsecured brake pedal can cause a loss of braking ability and increase the risk of a crash.
Remedy
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.

Affected vehicles

Mack MD202020212022