Toyota T100 1996 Service Manual page 1114

CO−10
1996 TOYOTA T100 (RM449U)
COOLING (5VZ−FE)
INSPECTION
INSPECT THERMOSTAT
HINT:
Thermostat is numbered according to the valve opening tem-
perature.
(a) Immerse the thermostat in water and heat the water grad-
ually.
(b) Check the valve opening temperature and valve lift.
Valve opening temperature:
80 − 84°C (176 − 183°F)
Valve lift: At 95°C (203°F): 8.5 mm (0.335 in.) or more
If the valve opening temperature and valve lift are not within
specifications, replace the thermostat.
(c) Check that the valve is fully closed when the thermostat
is at low temperatures (below 40°C (104°F)).
If not closed, replace the thermostat.
8.5 mm
CO0600
− THERMOSTAT
CO05W−03