- The problem
- On certain trucks equipped with a saf holland simplex fifth wheel, the lever arm pivot bolt may have been over tightened. An over tightened pivot bolt can distort the pivot bolt spacer sleeve, which may prevent the fifth wheel latch jaw from closing and latching securely around the trailer king pin.
- The risk
- There is a possibility that the pivot bolt can become loose without the driver's knowledge. When this occurs, the driver Could drive away and the trailer could become disengaged, increasing the risk of a crash.
- The fix
- Dealers will replace the pivot bolt and sleeve with a hex head shoulder bolt and washer free of charge. The recall began on january 28, 2008. Owners may contact mack trucks at 1-800-528-6586.
Vehicle safety record
2006 Mack CHN Problems, complaints & recalls
No owner complaints about the 2006 Mack CHN have been filed with NHTSA. It is covered by 13 recalls, the latest in October 2007 for the fifth wheel assembly.
NHTSA data checked
DMore problems than a typical CHN year, for its age
- Complaints
- 0
- Recalls
- 13
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
2006 Mack CHN recalls 13
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
- The problem
- 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.
- The risk
- 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.
- The fix
- 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.
- The problem
- On certain trucks equipped with parker single check valves (scv) provided by bendix. The defect exists in the parker scv that connects with the supply port of the sr-7 spring brake modulating valve. After prolonged use of the parker scv, the valve body retainer may become excessively worn and eventually break apart. Pieces of the parker scv can become lodged inside the sr-7 spring brake modulating valve, potentially causing either leakage out of the sr-7 valve or preventing air from properly exhausting from the sr-7 valve.
- The risk
- This condition can cause a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button. These conditions can occur without warning, leading to unintended vehicle rollaway, brake drag, or in the case of loss of primary circuit, inability to modulate the spring brakes.
- The fix
- Mack is working with bendix to replace the parker single check valve. The recall began on january 9, 2008. Owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586.
- The problem
- On certain trucks equipped with bendix sr-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button.
- The risk
- This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
- The fix
- Mack is working with bendix to repair these vehicles (please see 07e037). Bendix will install a check valve repair kit for the affected sr-7 spring brake modulating valve free of charge. The recall began on january 10, 2008. Owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586.
- The problem
- 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 .
- The risk
- THIS COULD POTENTIALLY RESULT IN AN ENGINE FIRE.
- The fix
- 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).
- The problem
- 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.
- The risk
- If the crossover bracket falls a crash may occur without prior notice.
- The fix
- 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.
- The problem
- On certain trucks equipped with arvinmeritor series 145 and 160 rear drive axles. Some of the spindles were overheated during the heat treat process which could result in a fracture of the spindle.
- The risk
- If a spindle fractures while the vehicle is in motion, it may cause wheel separation, which could, without warning result in a vehicle crash.
- The fix
- Dealers will inspect the spindle for suspect heat codes and replace the axle if necessary. The recall began on november 15, 2005. Owners may contact mack trucks at 1-336-393-2233.
- The problem
- On certain vehicles, the brake cam tubes on the steer and drive axles may not have been greased.
- The risk
- The brake cam journal may corrode which could lead to the brakes dragging. This could result in a vehicle fire.
- The fix
- Dealers will add grease to the brake cam tubes free of charge. The recall began on october 24, 2005. Owners may contact mack at 1-336-393-2233.
- The problem
- On certain vehicles, the brake cam tubes on the steer and drive axles may not have been greased.
- The risk
- The brake cam journal may corrode which could lead to the brakes dragging. This could result in a vehicle fire.
- The fix
- 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 february 27, 2006. Owners may contact mack at 1-336-393-2233.
- The problem
- On certain vehicles. The brake cam tubes on the drive axle may not have been greased.
- The risk
- The brake cam journal may corrode which could lead to the brakes dragging. This could result in a vehicle fire.
- The fix
- 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.
- The problem
- On certain vehicles, the brake cam tubes on the steer axle may not have been greased.
- The risk
- The brake cam journal may corrode which could lead to the brakes dragging. This could result in a vehicle fire.
- The fix
- 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 february 27, 2006. Owners may contact mack at 1-336-393-2233.
- The problem
- On certain heavy duty class 8 trucks equipped with fxl axles, there is a potential that the draglink may contact the brake slack adjuster during full wheel cut and articulation of the chassis.
- The risk
- If this occurs, the slack adjuster may be damaged to a point where brake performance is compromised, which may result in a vehicle crash.
- The fix
- Dealers will replace the brake assemblies on the front axle. The recall began on august 19, 2005. Owners may contact mack trucks at 610-709-2131.
- The problem
- On certain heavy duty class 8 trucks equipped with accuride aluminum wheels, the wheels were not properly pre-stressed. This allows cracks to develop over time.
- The risk
- This may eventually lead to wheel failure and possibly result in a vehicle crash.
- The fix
- Dealers will replace the wheels free of charge. The recall began on june 17, 2005. Owners may contact mack trucks at 610-709-2131.
What owners say
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No complaints about the 2006 Mack CHN yet
No owner has filed a complaint about this vehicle with NHTSA. If yours has a problem, share it here and report it to NHTSA.
Mack CHN: every year compared
All CHN years2006 Mack CHN vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2006 Mack CHN | 0 | 13 | D | |
| 2006 Mack DM | 1 | 1 | C | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 2006 Mack CHN
Does the 2006 Mack CHN have any recalls?
Yes - NHTSA lists 13 recalls for the 2006 Mack CHN: fifth wheel assembly (October 2007); fuel system, diesel (September 2007); check valve (August 2007); parking brake (August 2007) and more. Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
How many complaints has the 2006 Mack CHN had?
None have been filed with NHTSA so far.
Is the 2006 Mack CHN a reliable vehicle?
Its Safety Index is 28 out of 100 (grade D: more problems than a typical Mack CHN year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
What should I do if my 2006 Mack CHN has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data