1F-19 Engine Cooling System:
Specifications
Service Data
B831G21607001
Thermostat + Radiator + Fan + Coolant
Tightening Torque Specifications
B831G21607002
NOTE
The specified tightening torque is also described in the following.
“Water Hose Routing Diagram (Page 1F-3)”
“Water Pump Components (Page 1F-13)”
Reference:
For the tightening torque of fastener not specified in this section, refer to “Tightening Torque List in Section 0C
(Page 0C-7)”.
Item Standard Note
Thermostat valve opening
temperature
Approx. 82 °C (180 °F) —
Thermostat valve lift 8 mm (0.31 in) and over at 95 °C (203 °F) —
ECT sensor resistance
20 °C
(68 °F)
Approx. 2.45 kΩ —
50 °C
(122 °F)
Approx. 0.811 kΩ —
80 °C
(176 °F)
Approx. 0.318 kΩ —
110 °C
(230 °F)
Approx. 0.142 kΩ —
Radiator cap valve opening pressure 110 – 140 kPa (1.1 – 1.4 kgf/cm
2
, 15.6 – 19.9 psi) —
Cooling fan thermo-switch operating
temperature
OFF → ON Approx. 93 °C (199 °F) —
ON → OFF Approx. 87 °C (189 °F) —
Engine coolant type
Use an antifreeze/coolant compatible with aluminum radiator,
mixed with distilled water only, at the ratio of 50:50.
—
Engine coolant
Reservoir Approx. 250 ml (0.26/0.22 US/lmp qt) —
Engine Approx. 2 200 ml (2.32/1.94 US/lmp qt) —
Fastening part
Tightening torque
Note
N⋅mkgf-mlb-ft
Cooling fan assembly mounting bolt 8.5 0.85 6.0 )(Page 1F-7)
Cooling fan thermo-switch 17 1.7 12.5 )(Page 1F-10)
Thermostat cover bolt 23 2.3 16.5 )(Page 1F-11)
Water pump mounting bolt 10 1.0 7.0 )(Page 1F-14)
Water pump cover screw 6 0.6 4.5 )(Page 1F-18)
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