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#BS-2007-MACMR-56D92007 Mack MRProblems, Recalls & Reliability
Based on reports from 0 owners and 3 recalls for this exact model.
Data updated ·checked October 30, 2026 · NHTSA complaints through October 28, 2026
Preliminary Verdict
Limited Data
Based on 0 complaints, 0 crashes, 0 fires, and 3 recalls.
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30,000-Mile Cost Projection
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Most Likely
Worst Case
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Owner Intelligence
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Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions



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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (3 recalls)
PARKING BRAKE:CONVENTIONAL:AIR
ON CERTAIN TRUCKS EQUIPPED WITH SR-7 BENDIX BRAKE VALVES, THE CHECK VALVE INSIDE THE VALVE CAVITY MAY NOT PROPERLY SET, CAUSING INTERNAL AIR LEAKAGE. IF THE CHECK VALVE DOES NOT PROPERLY SEAT, THE RESULTING LEAKAGE CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER OPERATOR PULLS THE DASH VALVE BUTTON.
PARKING BRAKE
ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE MODULATING VALVES, THE INTERNAL RUBBER CHECK VALVE MAY LEAK CAUSING A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON.
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.
Recall severity analysis & seller scripts
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NHTSA Defect Investigations (2)
All closed. Investigations are how NHTSA decides whether a defect needs a recall.
AIR BRAKE SYSTEM CONTROL VALVES
SERVICE BRAKES, AIR
AIR BRAKE CONTROL VALVE
SERVICE BRAKES, AIR:CONTROLS
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 0 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 3 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Last updated (checked October 30, 2026). NHTSA complaints received through October 28, 2026.
Other Mack MR Model Years
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