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Network/ United States/ Mack/ 21V684000

Mack · United States · High

Mack MD: Service brakes — pedals and linkages

Affects Mack MD · 2020–2022 — about 3K vehicles.

The hazard

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

What to do

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.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational