Caution: Do not open the radiator cap when the engine is hot, as the coolant is under pressure and may spill out. After the coolant has cooled, cover the cap with a rag and open it slowly.
1. Install the radiator cap tester on the cap, apply pressure (up to the valve opening pressure), and check if the pressure is maintained for 6 seconds.
Caution: Apply coolant to the seal before installing the tester on the cover.
- Pressure: 93-123 kPa (0.95t 1.25 kg/cm²)
2. If the valve opening pressure is different from the specified value or the pressure is not maintained, replace the radiator cap.
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