- Ignition system ZIL-131
- Air regulation in tires ZIL-131
- Steering gear adjustment ZIL-131
- Coolant pump ZIL-131
- Wheel brake adjustment ZIL-131
- Gas distribution mechanism ZIL-131
- Engine cooling ZIL-131
- Repair of the steering mechanism ZIL-131
- Centrifuge car ZIL-131
- Checking the oil level ZIL-131
- Compressor ZIL-131
- Maintenance of the ZIL-131 pneumatic system
- Design and repair of the ZIL-131 power take-off
- Safety valve for brakes ZIL-131
- Steering maintenance ZIL-131
- The design of the transfer case ZIL-131
- Steering cardan shaft ZIL-131
- Gearbox ZIL-131
- Adjustment of pivots and hubs ZIL-131
- Maintenance of bridges ZIL-131