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Checking Radiator Cap
●Removing:
Radiator cap [A]
●Check the base [A], top [B] valve sealing and valve spring [C].
★If any one of above parts is broken, replace with a new radiator cap.
●Install the cap [A] on the pressure meter [B] of cooling system.
Remark
○Wet the sealing surface of radiator cap with water or coolant to
prevent pressure leakage.
●Observe the pressure meter, inflate the pressure meter and increase
the pressure until the relief valve is opened: the pointer of pressure
meter flicks downward. Stop inflating and measure the pressure
valve during the air leakage immediately. The relief valve must be
opened within the range specified in the table below. In addition, the
pointer of pressure meter must stay within this range for at least 6
seconds.
Radiator cap releases the pressure
Standard: 93-123 kPa
★If the radiator cap cannot maintain the specified pressure or
excessive pressure, replace the radiator cap with a new one.
4-13
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Troubleshooting
