vehicle signal
U.S. public vehicle records

2009 Mack CXU problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

3 owner complaints analyzed

3 distinct recall campaigns

241,442 mi median reported failure mileage

Scope: 2009 model year. Data snapshot: . 2 complaints include usable failure mileage.

This selection has limited data. It remains available for lookup but is excluded from search indexing.

Owner-reported patterns

Most common problems

Trailer Hitches is the most frequently named component, appearing in 2 of 3 complaints (66.7%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Transmission and shifting133.3%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Trailer Hitches
2
Structure
1
Structure:Frame And Members
1
Suspension
1
Component breakdown data
CategoryCount
Trailer Hitches2
Structure1
Structure:Frame And Members1
Suspension1

Trailer Hitches: 2; Structure: 1; Structure:Frame And Members: 1; Suspension: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
0
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
2
Reported problems by failure mileage data
CategoryCount
Under 25,0000
25,000 to 49,9990
50,000 to 74,9990
75,000 to 99,9990
100,000 to 149,9990
150,000 and above2

Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 2

150,000 and above miles has the most reports with usable mileage (2). 1 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2010
2
2011
1
Complaints over time data
CategoryCount
20102
20111

2010: 2; 2011: 1

Pattern summary

Trailer Hitches leads the component reports. Transmission and shifting appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10357279 · 2010-09-23 (September 23, 2010)

MY COWORKER WAS CHANGING THE OIL ON A 2009 MACK AND I HAPPENED TO NOTICE THAT THE 5TH WHEEL PLATE WAS SHIFTING AROUND ON THE FRAME. I APPLIED A BOX END WRENCH TO THE MOUNT BOLTS AND DISCOVERED THAT ALL TEN OF THE FASTENERS HOLDING THE 5TH WHEEL TO THE FRAME COULD BE TURNED EASILY USING ONE HAND. THAT IS NOT MY IDEA OF BEING SECURELY ATTACHED! NO ACTION WAS TAKEN ON THIS TRUCK BECAUSE IT WAS TIME TO GO HOME AND IF THE BOSS DOESN'T CARE AND MACK DOESN'T CARE WHAT CAN I DO EXCEPT COMPLAIN TO THE FEDERAL GOVERNMENT THAT MACK IS USING SUBSTANDARD BO…

Owner-reported narrative. 179,708 miles reported. Look up ODI 10357279 at NHTSA ↗