Thermostat Inspection - Toyota 1KZ-TE Repair Manual

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CO- -12
COOLING
INSPECTION
INSPECT THERMOSTAT
HINT:
The thermostat is numbered with the valve opening tempera-
ture.
B09317
(a)
(b)
If the valve opening temperature is not as specified, replace the
thermostat.
P24124
(c)
If the valve lift is not as specified, replace the thermostat.
(d)
If not closed, replace the thermostat.
Valve Lift
S05683
- - THERMOSTAT
Immerse the thermostat in water and gradually heat the
water.
Check the valve opening temperature.
Valve opening temperature: 80 - - 84˚C (176 - - 183˚F)
Check the valve lift.
Valve lift: 10 mm (0.39 in.) or more at 95 ˚C (203˚F)
Check that the valve is fully closed when the thermostat
is at low temperatures (below 40˚C (104˚F)).
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