RM3660EC _51 Engine / Hybrid System _080775 8ZR-FXE COOLING _0392615 THERMOSTAT G

8ZR-FXE COOLING  THERMOSTAT  INSPECTION  


PROCEDURE

Hide 16031 1.INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

CAUTION:
A342307

·

Do not put your hands into the water that has been heated for the inspection.


·

Touching the heated water could result in burns.



a.

Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water.


b.

Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature.

Standard Valve Opening Temperature:

80 to 84°C (176 to 183°F)


If the result is not as specified, replace the water inlet with thermostat sub-assembly.


c.
A380349C02
1.479,0.729 1.594,0.313 1.594,0.313 1.76,0.313 false 1.479,2.958 1.594,2.542 1.594,2.542 1.76,2.542 false 0.063,0.073 0.396,0.323 0.333,0.25 12 false *A 0.094,2.438 0.521,2.75 0.427,0.313 12 false *B 1.188,1.75 1.5,1.906 0.313,0.156 10 false *a 1.177,3.938 1.49,4.094 0.313,0.156 10 false *a 1.813,0.24 2.125,0.396 0.313,0.156 10 false *b 1.813,2.469 2.125,2.625 0.313,0.156 10 false *b
*A Compression Spring Shape: Tapered
*B Compression Spring Shape: Straight
*a Valve Lift
*b Compression Spring


Check the valve lift.

Standard Valve Lift:
Compression Spring Shape Condition Specified Condition
Tapered 95°C (203°F) 10 to 14 mm (0.394 to 0.551 in.)
Straight 8 mm (0.315 in.) or more


If the result is not as specified, replace the water inlet with thermostat sub-assembly.


d.

Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 77°C (171°F)).

If it is not fully closed, replace the water inlet with thermostat sub-assembly.