2003 Mack Cx Recalls, Complaints & Specs
10 safety recalls list the 2003 Mack Cx. Check your own VIN below.
10 safety recalls for the 2003 Mack Cx
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
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Switch (exterior lighting)
Mack is recalling 34,269 my 1999-2005 cx and my 2004-2008 cxn trucks. The headlight switch may prematurely fail resulting in inoperative or intermittent headlights.
Remedy: Dealers will replace the headlight switch. The recall began on february 27, 2009. Owners may contact mack at 1-800-528-6586.
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Fuel system, diesel
On certain trucks equipped with aset AC model engines, the engine as configured with an external exhaust gas recirculation system makes servicing the fuel injection lines difficult when using traditional tools. Therefore, it is possible for fuel leaks to develop when removing and installing the fuel injection lines.
Remedy: Dealers will replace the fuel injection lines free of charge. Note: this recall supersedes a previous campaign conducted in 2006 (please see 06v392). The recall began on september 11, 2007, with subsequent mailings…
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Fuel system, diesel
On certain trucks, a leak in the aset AC fuel injection line may spray fuel on the exhaust gas recirculation pipes that carry hot exhaust gases .
Remedy: Mack has issued a stop work on this campaign under further notice (2-22-2007). The remedy does not adequately address the issue on all vehicles. Mack will re-release the recall in the near future. (please see NHTSA no.…
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Service brakes, air
On certain heavy duty class 8 trucks, there is a slack on the brake assembly's adjuster and it is interfering with the axle housing.
Remedy: The rear brake assemblies were replaced. All vehicles have been repaired.
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Hoses, lines/piping, and fittings (fuel system)
On certain heavy duty class 8 diesel trucks equipped with aset AC engines, the location of the fuel inlet hose may result in overheating or abrasion of the hose, which may lead to a premature failure.
Remedy: Dealers will repair and replace the fuel inlet hose free of charge. The recall began on february 14, 2005. Due to some quality and supply issues with parts to support this safety recall, owners may have been informed…
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Steering
On certain truck chassis, the steering gear mounting bolts were made of inconsistent bolt material, which has LED to bolt failures. This inconsistent bolt material condition could result in a failure of a steering gear mounting bolts. The steering gear is mounted to the vehicle's frame with three bolts.
Remedy: Dealers will inspect vehicles. New steering gear mounting bolts will be installed. The recall began october 2004. Owners should contact mack at 1-610-709-3337.
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Arm (steering)
On certain chassis equipped with dana steering axle assemblies. These axles are built with an integral knuckle and steering arm. The steering arm could have longitudinal cracks.
Remedy: Dealers will inspect the integral knuckle and steer arm and replace if necessary. Owner notification began on january 16, 2004. Owners who take their vehicles to an authorized dealer on an agreed upon service date and…
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Check valve (service brakes)
Certain heavy duty vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems." improper seating of the check valve retainer in the brass fitting housing has occurred. It is possible for the air brake system pressure to push the check valve internal parts into the primary system…
Remedy: Dealers will replace the check valve. Owner notification began november 26, 2003. Owners should contact mack at 1-610-709-3337.
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Fifth wheel assembly (trailer hitches)
On certain heavy duty trucks equipped with jost international jsk 37u series fifth wheels, a fatigue crack can develop in the bracket pin weld under certain loading conditions.
Remedy: Dealers will replace the bracket pins and repair instructions free of charge. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable…
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Exterior lighting
Certain heavy duty trucks fail to comply with the requirements of federal motor vehicle safety standard no. 108, "lamps, reflective devices, and associated equipment." the view of one of the four back of cab reflectors is blocked by the exhaust system.
Remedy: Dealers will install two additional reflectors. Owner notification began june 4, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a…
No owner complaints on file
NHTSA has no owner complaints on file for the 2003 Mack Cx. For context, the average model year in NHTSA's database has dozens; a zero can mean a reliable vehicle, a rare one, or both.
Compare Mack Cx model years
Recall and complaint counts for every Mack Cx model year in NHTSA's database.
| Model year | Recalls | Complaints |
|---|---|---|
| 1998 Mack Cx | 2 | 0 |
| 1999 Mack Cx | 7 | 0 |
| 2000 Mack Cx | 6 | 0 |
| 2001 Mack Cx | 5 | 0 |
| 2002 Mack Cx | 7 | 0 |
| 2003 Mack Cx | 10 | 0 |
| 2004 Mack Cx | 5 | 0 |
| 2005 Mack Cx | 5 | 1 |
| 2006 Mack Cx | 2 | 0 |
| 2007 Mack Cx | 3 | 0 |
Checking a specific 2003 Mack Cx
How do I know if my 2003 Mack Cx has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 10 campaigns currently list the 2003 Mack Cx; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Mack dealer with your VIN and the NHTSA campaign number (for example 03V147000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Ch6 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.