|Radiator cap relief pressure||88 - 127 kPa (0.9 - 1.3 kg/cm2, 13 - 18 psi)|
|Freezing point (Hydrometer test):||55% Distilled water + 45% ethylene glycol: -32°C (-25°F)|
50% Distilled water + 50% ethylene glycol: -37°C (-34°F)
45% Distilled water + 55% ethylene glycol: -44.5°C (-48°F)
1.60 lit (1.51 US qt, 1.28 Imp qt)
2.20 lit (2.32 US qt, 1.94 Imp qt)
|Thermostat||Begins to open: 80° to 84°C (176° to 183°F)|
Valve lift: Minimum of 8 mm at 95°C (0.3 in at 203°F)
|Boiling point (with 50 - 50 mixture):||Unpressurized: 107.7°C (226°F)|
Cap on, pressurized: 125.6°C (258°F)
Remove the fuel tank (page 4-3).
Remove the radiator cap.
Replace the radiator cap if it does not hold pressure, or if it's relief pressure is too high or too low. It must hold specified pressure for at least six seconds.
RADIATOR CAP RELIEF PRESSURE:
88 - 127 kPa (0.9 - 1.3 kg/cm2, 13 - 18 psi)
Attach the tester to the radiator and apply enough pressure to test the radiator, engine and hoses, check for leaks.
Repair or replace components if the system will not hold specified pressure for at least six seconds.
Remove the radiator cap (page 5-2).
Drain the coolant from the system by removing the
drain bolt on the water pump cover.
Reinstall the drain bolt.
Fill the system with 50 - 50 mixture of distilled water
and ethylene glycol.
Bleed air from the cooling system.
Disconnect the siphon tube from the filler neck.
Disconnect the upper radiator hose at the filler neck and the water hoses at the thermostat housing.
Remove the thermostat housing case and filler neck from
Remove the housing cover attaching bolts and separate the case from the cover.
Remove the thermostat from the housing case.
Replace thermostat if valve stays open at room temperature, or if it responds at temperatures other than those specified.
|Start to open||80° to 84°C (176 - 183°F)|
|Valve lift||8 mm (0.3 in) minimum when heated to 95°C (203°F) for five minutes.|
Assemble the case and filler neck with the new O-ring.
Tighten the bolts.
Install the thermostat housing case and filler neck onto the frame.
Connect the removed hoses and tube securely.
Install the removed parts in the reverse order of removal.
Fill the system with coolant and air bleed it.
Disconnect the lower radiator hose at the radiator.
Remove the radiator side covers by removing mounting screws.
Remove the radiator lower mounting bolts.
Disconnect the upper radiator hose at the radiator. Remove the radiator upper pivot bolt and radiator from the frame.
Remove the cooling fan motor mounting bolts and cooling fan motor.
Inspect the radiator soldered joints and seams for leaks.
Blow dirt out from between core fins with compressed air. If insects, etc., are clogging the radiator, wash them off with low pressure water.
Carefully straighten any bent fins.
Connect the ground terminal and thermostatic switch wire connector.
Install the mounting bolts.
If the thermostatic switch was removed, install a new O-ring and tighten to the specified torque.
TORQUE: 18 N.m (1.8 kg-m, 13 ft-lb)
Install the radiator in the reverse order of removal.
Remove the O-ring and dowel pins from the water pump assembly and disconnect the water hose.
Remove the water pump from the crankcase.
Align the water pump shaft groove with the oil pump shaft and insert the water pump into the crankcase.
Apply a coat of engine oil to a new O-ring and install it around the impeller housing.
Install the two dowel pins.
Install the water pump cover and tighten the cover mounting bolts.
Fill the system with cooIant (page 5-3).
Fill the engine with the recommended engine oil (page 2-3).
Check the cooling system for leakage.