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Mack cotter pin that retains the brake pedal clevis pin may not have been properly installed, which could result in an unsecured brake pedal.

NHTSA campaign 21V-684 · Reported September 1, 2021 · 2,823 vehicles affected

AFFECTED MODELS
Mack MD
VEHICLES AFFECTED
2,823
REMEDY
Owners are advised to not drive their vehicles until the remedy has been performed.
COST
Free

The short version

Mack Trucks, Inc. reported a problem with the service brakes, hydraulic pedals and linkages. Here is what owners need to know.

WHAT

The cotter pin that retains the brake pedal clevis pin may not have been properly installed, which could result in an unsecured brake pedal.

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will inspect the cotter pin installation and repair it as necessary, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 21V-684.

YEAR RANGEMODEL
2020–2022Mack MD

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Mack Trucks, Inc. or the National Highway Traffic Safety Administration.