RoadVitals

2003 Mack Cv Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
2
Latest May 20, 2010
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Sep 20, 2005

What this page shows

Our database holds 2 NHTSA owner-reported complaints for the 2003 Mack Cv. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–2 of 2

Body & structure
Filed May 20, 2010

TL* THE CONTACT OWNS A 2003 MACK CV. THE CONTACT STATED THAT THE SIDE FRAME RAILS WERE BREAKING. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR FURTHER INSPECTION. THE FAILURE MILEAGE AND CURRENT MILEAGES WERE UNKNOWN.

NHTSA ID
10331356
Incident
May 20, 2008
Brakes
Filed Sep 20, 2005
Fire reported

THIS VEHICLE IS A 2003 MACK TRUCK MODEL CV AND IS A STRAIGHT FRAME DUMP TRUCK WITH THREE REAR TANDEM AXLES. STOPPING IS ACHIEVED THROUGH A STANDARD AIR BRAKE SYSTEM WHERE COMPRESSED AIR IS USED AS THE ENERGY MEDIUM. THE BRAKE PEDAL EFFORT OF THE OPERATOR IS USED ONLY TO MODULATE THE AIR PRESSURE APPLIED TO THE BRAKE CHAMBERS. THIS TRUCK CONFORMS TO THE DUAL BRAKE SYSTEM. ALTHOUGH THE ENERGY SOURCE IS COMPRESSED AIR, THE TRANSMISSION OF ENERGY FROM THE BRAKE CHAMBER TO THE FRICTION SURFACES INVOLVES LEVER ARMS AND CAMS. THE COMPRESSED AIR IN THE SPRING BRAKE CHAMBER MAINTAINS PRESSURE ON THE SPRING DURING NORMAL OPERATION. WHEN THE BRAKES ARE ACTIVATED, THE AIR IS RELIEVED ALLOWING THE SPRING TO DECOMPRESS AND APPLY THE FRICTION SURFACES TO THE DRUMS THROUGH THE MECHANICAL LINKAGE. THE FIRE PATTERNS INDICATE THAT THE FIRE WAS LOCALIZED AND ORIGINATED FROM FRICTION PRODUCED BY THE BRAKE PADS AGAINST THE DRUM ON THE CENTER RIGHT REAR TANDEM WHEELS. THE FRICTION PRODUCED TEMPERATURES IN EXCESS OF THE IGNITION TEMPERATURE OF THE TIRES CAUSING THEM TO IGNITE. THERE WAS NO PHYSICAL EVIDENCE OF ANY ELECTRICAL FAILURE. THE SPRING BRAKE CHAMBER IS IDENTIFIED AS MGM 3431157, M092702, 190E 4100 P7. CONCLUSION THE FIRE WAS LOCALIZED AND PRODUCED BY FRICTION. THE FRICTION RESULTED FROM THE BRAKE PADS AGAINST THE DRUMS OF THE CENTER REAR RIGHT TANDEM BRAKES. THIS FRICTION PRODUCED SUFFICIENT TEMPERATURES TO IGNITE THE TIRES. THE APPLICATION OF THE BRAKES THAT PRODUCED THE FIRE RESULTED FROM A FAILURE OF THE SPRING BRAKE CHAMBER OR ITS CONTROLLING SERVICE RELAY VALVE. THE LOSS OF AIR PRESSURE RESULTED IN THE SPRING ACTIVATION OF THAT PARTICULAR BRAKE. *JB

NHTSA ID
10137097
Incident
Jul 26, 2005

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .