2004 Mack CHN: recalls and complaints

NHTSA lists 7 recall campaigns for the 2004 Mack CHN. The newest campaign is 07V401000. NHTSA received the report on 5 Sep 2007. The NHTSA record gives the component Fuel System, Diesel. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 07V401000, in the NHTSA record

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.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 15 May 2019. Recall file through 29 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

7 campaigns, newest first. 92,377 units in total.

07V4010005 Sep 2007Fuel System, Diesel
06V39200013 Oct 2006Fuel System, Diesel
06V2900003 Aug 2006Fuel System, Diesel
05V43900026 Sep 2005Service Brakes, Air
05V11200024 Mar 2005Service Brakes, Air / Disc / Chamber
05V11100024 Mar 2005Power Train / Axle Assembly
05V01500014 Jan 2005Fuel System, Gasoline / Delivery / Hoses, Lines/Piping, and Fittings

07V401000Received 5 Sep 2007. 35,649 units.
Fuel System, Diesel
Defect, in the NHTSA record
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, in the NHTSA record
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, in the NHTSA record
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.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0324. Owner notification date in the NHTSA record: 11 Sep 2007.
06V392000Received 13 Oct 2006. 40,204 units.
Fuel System, Diesel
Defect, in the NHTSA record
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, in the NHTSA record
This could potentially result in an engine fire.
Remedy, in the NHTSA record
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).
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0317.
06V290000Received 3 Aug 2006. 342 units.
Fuel System, Diesel
Defect, in the NHTSA record
On certain trucks, the fuel line crossover bracket may prematurely fail and unexpectedly fall to the road. The location and size of the bracket draws a concern to the bracket being picked up and thrown by the drive axle wheels.
Consequence, in the NHTSA record
If the crossover bracket falls a crash may occur without prior notice.
Remedy, in the NHTSA record
Dealers will replace the brackets free of charge. The recall began on august 20, 2006. Owners may contact mack trucks at 1-800-528-6586.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0311. Owner notification date in the NHTSA record: 20 Aug 2006.
05V439000Received 26 Sep 2005. 2,679 units.
Service Brakes, Air
Defect, in the NHTSA record
On certain vehicles. The brake cam tubes on the drive axle may not have been greased.
Consequence, in the NHTSA record
The brake cam journal may corrode which could lead to the brakes dragging. This could result in a vehicle fire.
Remedy, in the NHTSA record
Dealers will remove the brake camshaft to inspect for corrosion. The brake camshaft will be replaced as required free of charge. The recall began on january 18, 2006. Owners may contact mack at 1-336-393-2233.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0305. Owner notification date in the NHTSA record: 18 Jan 2006.
05V112000Received 24 Mar 2005. 291 units.
Service Brakes, Air / Disc / Chamber
Defect, in the NHTSA record
On certain heavy duty class 8 trucks equipped with air suspension proprietary axles and adjustable lengh torque rods, an interference between the adjustable torque rod and the brake chamber on the left side of the chassis may exist. The spring brake chamber clamp ring could possibly be distorted over time resulting in loss of air, which could lead to the spring brake at the chamber being inadvertently applied.
Consequence, in the NHTSA record
Braking capability would be diminished, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will repair and replace the adjustable torque rod, with a fixed length torque rod, inspect and repair the brake chamber free of charge. The recall began on may 3, 2005. Owners may contact mack trucks at 610-709-2131.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0294. Owner notification date in the NHTSA record: 3 May 2005.
05V111000Received 24 Mar 2005. 39 units.
Power Train / Axle Assembly
Defect, in the NHTSA record
On certain trucks equipped with the fxl axle and meritor 16.5 x 5 brakes with dust shields, there may be interference between the dust shield mounting bolt and the knuckle on the front axle. As a result of the interference, the bolt joint between the wheel end and the knuckle may not meet the torque requirements.
Consequence, in the NHTSA record
This could result in vibration or brake performance issues. Braking capability would be diminished, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will remove the hub and brake assembly to install a new dust shield free of charge. The recall began on august 17, 2005. Owners may contact mack trucks 610-709-2131.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0293. Owner notification date in the NHTSA record: 17 Aug 2005.
05V015000Received 14 Jan 2005. 13,173 units.
Fuel System, Gasoline / Delivery / Hoses, Lines/Piping, and Fittings
Defect, in the NHTSA record
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, in the NHTSA record
If the hose fails, fuel can be sprayed on the exhaust manifold, which could potentially lead to an engine compartment fire.
Remedy, in the NHTSA record
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.
Report filed by MACK TRUCKS, INC. Manufacturer campaign number SC0292. Owner notification date in the NHTSA record: 14 Feb 2005.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2004 Mack CHNThe recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2004 Mack CHN: recalls and complaints. https://recallregister.com/vehicle/mack/chn/2004/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 29 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 29 Sep 2026
Complaint file through: 15 May 2019
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: MACK TRUCKS, INC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2004 Mack CHN?: 92,377 units in 7 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Mack CHN have for all model years?: NHTSA lists 22 recall campaigns for the Mack CHN, model years 2002 to 2008. 7 of them name the 2004 model year.
Is an NHTSA investigation of the 2004 Mack CHN open?: The NHTSA investigation file has no investigation that names this model year.