The worst 1990 Mack CF 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 2
Vehicle speed control
- What is wrong
- Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
- Risk
- In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
- Remedy
- A new production secondary throttle return system configuration will be installed.
Recall number 94V032000 · Recall details
Steering: linkages
- What is wrong
- Stresses imposed on the lever during turning maneuvers and/or impact incidents, such as would be caused by curbs or road surface irregularity, reduce the life expectancy of the part. The steering lever may crack and eventually the stresses could cause the steering lever to break.
- Risk
- A broken steering lever will cause loss of steeringcontrol without prior warning which may result in a vehicle crash.
- Remedy
- Replace the defective steering arms.
Recall number 91V070000 · Recall details
See all 2 recalls for the 1990 Mack CF
Defect investigations
Steering boost cylinder
There is no summary currently available
PE90108
Technical service bulletins for the 1990 Mack CF 22
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- US10 Emission Engines
- Automated Manual Transmission ( AMT ) I-Shift / mDRIVE
- (Back Office)
- Programming Failure
- NOx Sensor Troubleshooting Guide
- Use for new vehicles (US21+OBD22
- Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide
- DEF Pump Troubleshooting Guide
- Temperature Sensor Troubleshooting Guide
- Mack Chassis
Compare the 1990 Mack CF
Other model years
Questions about the 1990 Mack CF
Is the 1990 Mack CF reliable?
Owners have filed 0 complaints about the 1990 Mack CF.
What is the most common problem with the 1990 Mack CF?
There are not enough complaints to tell.
How many recalls does the 1990 Mack CF have?
2 recalls, covering vehicle speed control and steering.
VIN decoder
See the problems and recalls for an exact car
Buying a used 1990 Mack CF?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history