Safety Recall NHTSA · 21V573000 Reported July 27, 2021

Rear axle brakes may fail

Q: What is recall 21V573000?

NHTSA recall 21V573000 was issued by Mack Trucks, Inc. on July 27, 2021. It addresses: Rear axle brakes may fail. The recall affects approximately 124 vehicles , with the defect involving the N/A component.

Q: Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls . NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

Q: How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Mack Trucks, Inc. · N/A · 124 vehicles potentially affected

NHTSA ID

21V573000

Manufacturer Campaign

SC0427

Manufacturer

Mack Trucks, Inc.

Component

N/A

Vehicles Affected

124

Recall Type

Vehicle

Report Received

July 27, 2021

Completion Rate

69.35

Defect Summary

Mack trucks, inc. (mack) is recalling certain 2021 granite, lr, and terrapro vehicles. the rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes.

Safety Consequence

Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.

Corrective Action

Dealers will inspect the brake cams, and incorrect brake cams will be replaced, along with brake shoes, hardware, and wheel seals, as necessary, free of charge. owner notification letters were mailed on august 10, 2021. owners may contact mack customer service at 1-800-866-1177. mack's number for this recall is sc0427.

What you should do

Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
Contact an authorized Mack Trucks, Inc. dealer and reference recall ID 21V573000 or campaign SC0427.
Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.

View Official NHTSA Notice →

Similar Recalls

Other recalls from Mack Trucks, Inc. or involving N/A.

Recall 78V222000

Mack Trucks, Inc.

Electrical system:wiring

Electrical System · 161 affected · Oct 11, 1978

Recall 26V290000

Chrysler (fca Us, Llc)

Power transfer unit may fail and cause a loss of drive power

N/A · 61,711 affected · May 7, 2026

Recall 73V092000

Harley-davidson Motor Company

Brakes:mechanical service:other

N/A · 2,607 affected · Apr 30, 1973

Recall 73V094000

Harley-davidson Motor Company

Suspension

N/A · 11,705 affected · Apr 30, 1973

Recall 26V261000

Mack Trucks, Inc.

Rear brake modulators may short circuit

Service Brakes, Air · 2,354 affected · Apr 23, 2026

FAQ: Recall 21V573000

Your rights, the repair process, and what each field on this page means.

What is recall 21V573000?

NHTSA recall 21V573000 was issued by Mack Trucks, Inc. on July 27, 2021. It addresses: Rear axle brakes may fail. The recall affects approximately 124 vehicles, with the defect involving the N/A component.

How do I get this recall repaired?

Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 21V573000 or the manufacturer campaign number SC0427. Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.