Engine Cooling System: 1F-18
Specifications
Service Data
B837H11607001
Thermostat + Radiator + Fan + Coolant
Tightening Torque Specifications
B837H11607002
NOTE
The specified tightening torque is also described in the following.
“Water Pump Components (Page 1F-11)”
“Water Pump Construction (Page 1F-12)”
Reference:
For the tightening torque of fastener not specified in this section, refer to “Tightening Torque List in Section 0C
(Page 0C-9)”.
Item Specification Note
Thermostat valve opening
temperature
Approx. 82 °C (180 °F) —
Thermostat valve lift Over 8 mm (0.31 in) and 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
108 – 137 kPa (1.1 – 1.4 kgf/cm
2
, 15.4 – 19.5 psi) —
Cooling fan operating temperature
OFF → ON Approx. 105 °C (221 °F) —
ON → OFF Approx. 100 °C (212 °F) —
Engine coolant type
Use an anti-freeze/coolant compatible with aluminum
radiator, mixed with distilled water only, at the ratio of 50:50.
—
Engine coolant including reserve
Reserve tank
side
Approx. 250 ml (0.3/0.2 US/lmp qt) —
Engine side Approx. 2 400 ml (2.5/2.1 US/lmp qt) —
Fastening part
Tightening torque
Note
N⋅mkgf-mlb-ft
Thermostat cover bolt 10 1.0 7.0 )(Page 1F-10)
Water pump mounting bolt 10 1.0 7.0 )(Page 1F-13)
Impeller securing bolt 8 0.8 6.0 )(Page 1F-16)
Water pump case screw 5.5 0.55 4.0 )(Page 1F-16)
Water pump air bleeder bolt 13 1.3 9.5 )(Page 1F-16)
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