Attention. To prevent burns, do not remove the radiator cap when the engine and radiator are hot. Liquid and vapor can escape under yes. singing if the cover will he too soon.
1. Remove the radiator cap.
2. Rinse the contact surfaces of the radiator cap with water.
3. Connect a cooling system leak tester with a suitable adapter to the radiator cap.
4. Check the opening pressure of the steam valve:
- The steam valve must open when the pressure in the system exceeds the set value.
- The pressure is maintained for at least 10 seconds.
- Pay attention to the rate of pressure release.
5. Replace the radiator cap with a new one if:
- The radiator cap does not relieve pressure in excess of the set value.
- The radiator cap does not maintain the set pressure.
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