Key Takeaway
BRAKE TIMING/FMVSS 121 by MACK TRUCKS, INC was recalled on October 8, 2009. What to do: DEALERS WILL REWORK THE AIR SYSTEM FREE OF CHARGE. THE SAFETY RECALL BEGAN O JANUARY 12, 2010. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
BRAKE TIMING/FMVSS 121
Description
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2010 TRUCKS WHICH FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS."
Injuries / Consequence
FAILURE TO CONFORM TO THE REQUIREMENTS INCREASES THE APPLICATION AND RELEASE TIME OF THE SERVICE BRAKES, WHICH COULD POTENTIALLY RESULT IN A VEHICLE CRASH.
Remedy
DEALERS WILL REWORK THE AIR SYSTEM FREE OF CHARGE. THE SAFETY RECALL BEGAN O JANUARY 12, 2010. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
Products Affected
Vehicle
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ECU Malfunction May Impair Safety Systems
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Headlights May Fail
November 3, 2025
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Frequently Asked Questions
Is this recall still active?
Check the status badge at the top of this page. "Ongoing" means the recall is still active and you should follow the remedy instructions. "Completed" or "Terminated" means the recall process has concluded, though the safety issue remains relevant for any unrepaired products.
How do I check if my product is affected?
Compare the model number, lot code, serial number, or date range listed in the recall notice with the information on your product's label or packaging. For vehicles, check your VIN at NHTSA.gov/Recalls.
What remedy is available for this recall?
The listed remedy for this recall is: DEALERS WILL REWORK THE AIR SYSTEM FREE OF CHARGE. THE SAFETY RECALL BEGAN O JANUARY 12, 2010. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
Where can I find the original recall notice?
This recall was issued by NHTSA. You can view the original notice using the link provided above.