Toyota 2GR-FE, Manual

Page: 788 / 1021

2GR-FE COOLING – RADIATOR
CO–23
CO
(6) Pump the cap tester several times, and check
the maximum pressure
*1
.
Pumping speed:
1 pumps every second
*1: Even if the cap cannot maintain the
maximum pressure, it is not a defect.
Judgment Criteria
If the maximum pressure is less than the
specified pressure for the minimum standard
valve, replace the radiator cap sub-assembly.
ON-VEHICLE CLEANING
1. INSPECT FINS BLOCKAGE
(a) If the fins are clogged, wash them with water or a
steam cleaner. Dry with compressed air.
NOTICE:
•
If the distance between the steam cleaner and
the core is too close, the fins may become
damaged. Keep the following injection
distance.
Standard
• If the fins are bent, straighten them with a
screwdriver or pliers.
• Never apply water directly onto the electronic
components.
Radiator Cap Tester
Radiator Cap
30° or more
A104601E03
Item Specified Condition
Standard valve
(for brand-new cap)
93.3 to 122.7 kPa (0.95 to 1.25 kgf/
cm
2
, 13.5 to 17.8 psi)
Minimum standard valve
(after using cap)
78.5 kPa (0.8 kgf/cm
2
, 11.4 psi)
A073603
Injection Distance Injection Pressure
300 mm (11.81 in.)
2,942 to 4,903 kPa
(30 to 50 kg/cm
2
, 427 to 711 psi)
500 mm (19.69 in.)
4,903 to 7,845 kPa
(50 to 80 kg/cm
2
, 711 to 1,138 psi)