The worst 2001 Mack CX problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 5
Exterior lighting: headlights: switch
- What is wrong
- 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.
- Risk
- The head lights may not operate properly which could result in intermittent or no headlight function. This could impair a driver's visibility, increasing the risk of a crash.
- Remedy
- Dealers will replace the headlight switch. The recall began on february 27, 2009. Owners may contact mack at 1‑800‑528‑6586.
Recall number 08V688000 · Recall details
Suspension: front: hub
- What is wrong
- 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.
- Risk
- Seizure of the bearings can cause wheel separation or wheel end fire.
- Remedy
- Dealers will replace all front axle hubs. Owner notification began on oactober 14, 2003. Customers will be informed of parts availability by october 3, 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 reasonable time should contact mack at 610‑709‑3337.
Recall number 03V201000 · Recall details
Steering: hydraulic power assist: hose, piping, and connections
- What is wrong
- On certain class 8 heavy duty trucks equipped with r. H. Sheppard m90 steering gears, an incorrect hose was used for the high-pressure line between the power steering pump and the steering gear. The hose is rated at 2000 psi, while it should be rated at 3000 psi.
- Risk
- This hose could develop a leak or burst while in service. Should the line burst, steering control would still be maintained, but a loss of power assist will be experienced.
- Remedy
- Dealers will replace the steering hose. Owner notification began march 22, 2002. 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 1‑610‑709‑3011.
Recall number 02V019000 · Recall details
Steering: hydraulic power assist: pump
- What is wrong
- Vehicle description: trucks equipped with e-tech engines. A condition exists on the auxiliary drive shaft of the e-tech engine that causes the loss of power steering on vehicles where the power steering pump is mounted off the front of the engine.
- Risk
- This could result in the loss of power steering.
- Remedy
- Dealers will inspect the vehicles and replace the nut that holds the gear to the auxiliary drive shaft. Owner notification began march 22, 2002. 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 1‑610‑709‑3011.
Recall number 01V389000 · Recall details
Service brakes, air: controls, pedals and linkages
- What is wrong
- Vehicle description: heavy duty trucks equipped with certain meritor-wabco brake system two and four port relay valves. The valve may stick open when a high-pressure application is released.
- Risk
- When the valve sticks open, it can result in a total loss of air from either the service or the park brake system. The driver may lose braking ability under a service application, possibly resulting in a vehicle crash.
- Remedy
- Dealers will replace these valves. Owner notification began november 16, 2001. 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 1‑610‑709‑3011 or meritor wabco at 800‑535‑5560.
Recall number 01V189004 · Recall details
See all 5 recalls for the 2001 Mack CX
Defect investigations
Integral hub and bearing assembly
The companies involved in this matter are: skf (hub mfr), arvinmeritor (front axle mfr), and mack (manufacturer of class viiitractor/trucks).skf identified manufacturing defects for specific build dates on front axle hub and bearings (wheel bearings) supplied to arvinmeritor.as a result, arvinmeritor notified mack of axles supplied with possible defective front hub assemblies.as a result of that notification, 998 trucks are being recalled by mack for defective front axle wheel bearings which may fail in such a way that a wheel separation or wheel bearing fire occurs.see attached summary report for additional details.
PE02094
Technical service bulletins for the 2001 Mack CX 39
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Cbr
- Cbr
- CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family...
- Barksdale Leveling Valve, Leak Test
- V-mac III
- CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns (...
- 2009 Document reformatted to be published as a TSB in Impact
- US10 Emission Engines
- Automated Manual Transmission ( AMT ) I-Shift / mDRIVE
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Questions about the 2001 Mack CX
Is the 2001 Mack CX reliable?
Owners have filed 0 complaints about the 2001 Mack CX.
What is the most common problem with the 2001 Mack CX?
There are not enough complaints to tell.
How many recalls does the 2001 Mack CX have?
5 recalls, covering exterior lighting, suspension and steering.
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