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2003 Mack CH recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

7 recalls found in NHTSA data as of September 22, 2026

For the 2003 Mack CH. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.

2003 Mack CH recalls, newest first

September 5, 2007NHTSA 07V40100035,649 vehicles potentially affected

Fuel system, diesel

Summary
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.
Consequence
A leak in the fuel injection line may spray fuel on the hot surfaces of the exhaust gas recirculation system, which could result in an engine fire.
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 every six weeks until April 2008. Owners may contact mack at 800-528-6586.

This recall on nhtsa.gov

October 13, 2006NHTSA 06V39200040,204 vehicles potentially affected

Fuel system, diesel

Summary
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.
Consequence
This could potentially result in an engine fire.
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. 07V159/mack recall no. SCO323 for vehicles that have had this repair already performed.) this recall has been superseded (please see 07V401/SC0324).

This recall on nhtsa.gov

January 14, 2005NHTSA 05V01500013,173 vehicles potentially affected

Fuel system, gasoline › Delivery › Hoses, lines/piping, and fittings

Summary
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.
Consequence
If the hose fails, fuel can be sprayed on the exhaust manifold, which could potentially lead to an engine compartment fire.
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 during April 2005,that the safety recall was on hold. These issues have now been resolved. For owners who have not had their vehicle(s) repaired, contact a mack parts and service center immediately to schedule an appointment to have your vehicle(s) repaired. Owners may contact mack trucks at 610-709-2131.

This recall on nhtsa.gov

September 20, 2004NHTSA 04V4560004,959 vehicles potentially affected

Steering

Summary
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.
Consequence
Failure of two of the three bolts could result in the loss of steering, which could result in loss of vehicle control and crash without warning.
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.

This recall on nhtsa.gov

April 7, 2004NHTSA 04V159000317 vehicles potentially affected

Fuel system, other › Storage › Tank assembly › Pressure relief devices

Summary
On certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
Consequence
This could cause ice buildup on the discharge side of the primary and secondary pressure system allowing the relief system to freeze and become blocked resulting in over pressurization of the lng tanks creating the risk of catastrophic tank rupture which could cause serious injury or death.
Remedy
Dealers will retrofit the lng tanks with a new primary relief valve pipe away tube and a new ventilated shroud. The recall began April 6, 2004. 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 time should contact mack at 1-610-709-3337.

This recall on nhtsa.gov

December 11, 2003NHTSA 03V522000148 vehicles potentially affected

Steering › Linkages › Knuckle › Spindle › Arm

Summary
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.
Consequence
The ball stud could become loose, causing loss of steering control which could result in a crash.
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 do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3337.

This recall on nhtsa.gov

July 17, 2003NHTSA 03V2530001,232 vehicles potentially affected

Service brakes, air › Supply › Check valve

Summary
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 reservoir and a vehicle operator would not know that this has happened.
Consequence
In this condition, the vehicle would not meet the emergency requirements of the standard.
Remedy
Dealers will replace the check valve. Owner notification began November 26, 2003. Owners should contact mack at 1-610-709-3337.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2003 Mack CH were found in NHTSA’s complaint data.

Other Mack CH years

Other 2003 Mack models

Most recalled 2003 vehicles

  1. 2003 Honda Accord (24 recalls)
  2. 2003 Honda Civic (24 recalls)
  3. 2003 Honda Odyssey (15 recalls)
  4. 2003 Subaru Outback (15 recalls)
  5. 2003 Subaru Legacy (15 recalls)
All of 2003’s most recalled vehicles

Questions

Does the 2003 Mack CH have any recalls?
7 recalls found in NHTSA data as of September 22, 2026, covering: fuel system, diesel, fuel system, gasoline, steering, fuel system, other, service brakes, air. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2003 Mack CH recall has been fixed?
Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2003 Mack CH?
0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.