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...
1987-2007 · 21 model years
Mack CH Problems by year
Owners have filed 6 complaints about the Mack CH across 21 model years, and it has 35 recalls. The 2002 has the most complaints once its age is allowed for (2), while 1994, 1997 have far fewer than a typical year. The most reported problem area is the transmission & drivetrain, followed by the wheels & tires.
- Complaints
- 6
- Recalls
- 35
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
CH complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Most common CH problems
Mack CH recalls 35
Certain trucks were recalled for the installation of sleeves on the fuel injection line as required by safety recall sc0317 (nhtsa recall no. 06V392). There is a possibility that the new sleeves may chafe the fuel injection line.
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 .
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.
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...
On certain truck chassis, the steering gear mounting bolts were over-torqued at installation. The steering gear is mounted to the vehicle's frame rail with 3 bolts.
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.
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.
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...
On certain heavytrucks equipped with truck hub units manufactured by skf exclusively for use on arvinmeritor's ff98x series non-drive steer axles, the hub unit bearings can wear prematurely.
On certain trucks equipped with manifold dash valves with push to connect fittings used to control the park brake function on trucks and trailers with air brakes, the park knob can pop out unexpectedly while the vehicle is in motion. This will exhaust the...
Certain class 8 chassis fail to comply with requirements of federal motor vehicle safety standard no. 121, "Air brake systems." The installation of the additional axle(s), raises the gvw capability of the vehicle and therefore requires an increase in the...
Covers2002 Mack CH
Latest CH complaints
2002 Mack truck ch series axle broke forcing the truck to strike the median wall. *Nj (ohio traffic crash report # 101-0517-91) *jb letter updated 03/17/10*bf
1996 Mack ch series' drive shaft fell on the roadway while driving. *Ts *jb *nm
2002 Mack conventional tire blew out. *Jb due to the tire blow out on the trailer. *Jb
Ch613, the aluminum fuel tank which is strapped underneath is corroded which may have been caused by incompatibility of metal. Happened to 2 mack trucks. Please provide further information and vin#. *Ak
Serious vibration, resulting in several transmission/engine repairs to no avail.
Clutch will not disengage. This caused truck to came in motion and not stop. Please describe details. Tt
Questions about the Mack CH
Which Mack CH years have the most problems?
Which Mack CH years have the fewest complaints?
What are the most common Mack CH problems?
Across every model year, owners report problems with the transmission & drivetrain (3), wheels & tires (1), engine & cooling (1) most often.
How many recalls does the Mack CH have?
NHTSA lists 35 recalls across all Mack CH model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data