car ZIL-131

The safety valve is designed to protect the pneumatic system from excessive pressure increase in the event of damage to the automatic pressure regulator

The vehicle is equipped with power steering, which is combined into a single unit with the steering gear

Disassembling and checking the pump
Before disassembling, the pump must be removed from the car, after draining the oil from the pump and cleaning and washing its outer surface

Prolonged operation of the engine with incorrect clearances can lead to premature wear of valve mechanism parts - burning of valves, wear of rocker arms, bearing surfaces of pushers and camshaft cams.