The worst 1994 Mack RB 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 1
Steering: gear box (other than rack and pinion)
- What is wrong
- The steering gearbox mounting fasteners were not properly heat treated.
- Risk
- The fastener washers can crack, ultimately resulting in gearbox mounting assembly failure and loss of steering control.
- Remedy
- Dealers will replace the suspect washers with new, improved washers.
Recall number 94V206000 · Recall details
Technical service bulletins for the 1994 Mack RB 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
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Questions about the 1994 Mack RB
Is the 1994 Mack RB reliable?
Owners have filed 0 complaints about the 1994 Mack RB.
What is the most common problem with the 1994 Mack RB?
There are not enough complaints to tell.
How many recalls does the 1994 Mack RB have?
1 recall, covering steering.
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