RADIATOR(for Sedan) ON-VEHICLE INSPECTION
PROCEDURE
INSPECT RESERVE TANK CAP
-
*a
O-ring
*b
Rubber Packing
Measure the valve opening pressure.
If there are water stains or foreign matter on the O-ring, clean it with water and finger scouring.
Check that the O-ring is not deformed, cracked or swollen.
Apply engine coolant to the O-ring and rubber packing before using a radiator cap tester.
-
*1
Reserve Tank Cap
*a
Radiator Cap Tester
*b
30° or more
When using the radiator cap tester, tilt it upwards 30° or more.
Pump the radiator cap tester several times, and check the maximum pressure*.
Pump Speed
1 pump per second
Tip:*: Even if the reserve tank cap cannot maintain the maximum pressure, it is not a defect.
Judgment Criterion
Item
Specified Condition
Standard value
(for brand-new cap)
94 to 122 kPa (1.0 to 1.2 kgf/cm2, 13.6 to 18 psi)
Minimum standard value
(for used cap)
78 kPa (0.8 kgf/cm2, 11.3 psi)
If the maximum pressure is less than the minimum standard value, replace the reserve tank cap.
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