Radiator: Testing and Inspection

2ZR-FXE COOLING: RADIATOR: ON-VEHICLE INSPECTION

1. CHECK RESERVE TANK CAP (for Engine)

(a) Measure the valve opening pressure.





(1) If there are water stains or foreign matter on O-ring 1, clean it with water and finger scouring.

(2) Check that O-ring 1 is not deformed, cracked or swollen.

(3) Apply engine coolant to O-ring 1 and rubber packing 2 before using a radiator cap tester.

(4) When using the cap tester, tilt it upwards 30 degrees or more.

(5) Pump the cap tester several times, and check the maximum pressure*1.





Text in Illustration





Pumping speed:

1 pump per second

HINT
*1: Even if the cap cannot maintain the maximum pressure, it is not a defect.

Judgment Criterion:





If the maximum pressure is less than the minimum standard value, replace the reserve tank cap.