Toyota Celica Supra 1986 Service And Repair Manual page 188

C0-6
COOLING SYSTEM - Thermostat
.. , I
/(.I
Jiggle Valve
Printed Side
-~"'\
/ " ' -
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THERMOSTAT
REMOVAL OF THERMOSTAT
1. DRAIN COOLANT
2.
REMOVE WATER OUTLET
Remove the three bolts and the water outlet from tht
water outlet housing.
3.
REMOVE THERMOSTAT AND GASKET
INSPECTION OF THERMOSTAT
NOTE: The thermostat is numbered
valve opening temperature.
(a)
Immerse the thermostat in water and heat the
walff
gradually.
(b)
Check the
valve opening temperature and valve lilt
If the valve opening temperature and valve lift are not
within the following specifications, replace the ther·
mostat.
Valve opening temperature:
86 -
oo-c
1187 - 194• Fl
Valve lift:
More than
8 mm (0.31
in.) at
100"C (212"FI
(c) Ch eck that valve spring is tight when the thermostat
is fu ll y closed. Replace if necessary.
INSTALLATION OF THERMOSTAT
1. PLACE THERMOSTAT IN WATER OUTLET HOUSING
Install the thermostat with the jiggle valve upward.
2. INSTALL WATER OUTLET
3.
4.
Install the water outlet, facing the printed side of gasket
forward.
FILL WITH COOLANT
START ENGINE AND CHECK FOR LEAKS