- Design and repair of the ZIL-131 power take-off
- Adjustment of gears of reducers ZIL-131
- Design and repair of the ZIL-131 car winch
- Cylinder block and cylinder head ZIL-131
- Ignition system ZIL-131
- Maintenance of the ZIL-131 pneumatic system
- Engine crankcase ventilation ZIL-131
- Wheel brake adjustment ZIL-131
- Repair of the steering mechanism ZIL-131