12. COOLING SYSTEM
12-2
People GT 300i
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• The water pump must be serviced after removing the engine. Other cooling system service can
be done with the engine installed in the frame.
• The engine must be cool before servicing the cooling system.
When the coolant temperature is over 100℃, never remove the radiator cap to release the
pressure because the boiling coolant may cause danger.
• Avoid spilling coolant on painted surfaces because the coolant will corrode the painted surfaces.
Wash off any spilled coolant with fresh water as soon as possible.
• After servicing the system, check for leaks with a cooling system tester.
TORQUE VALUES
Water pump impeller 1.0~1.4 kgf-m (11.8 N-m)
Water pump cover bolt 1.0~1.4 kgf-m (11.8 N-m)
TROUBLESHOOTING
Engine temperature too high Coolant leaks
• Faulty temperature gauge or thermosensor • Faulty pump mechanical (water) seal
• Faulty radiator cap • Deteriorated O-rings
• Faulty thermostat • Damaged or deteriorated water hoses
• Insufficient coolant
• Passages blocked in hoses or water jacket
• Clogged radiator fins
• Passages blocked in radiator
• Faulty water pump
Temperature gauge shows the wrong temperature
• Faulty temperature gauge or thermosensor
• Faulty thermostat
SPECIFICATIONS
Radiator cap relief pressure 0.9±0.15 kg/cm²
Begins to open 71 ℃
Thermostat temperature Full-open 80 ℃
Valve lift 3.5～4.5 mm
Coolant capacity Total 1120 cc
Radiator: 820 cc
Reserve tank: 300 cc
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