Cooling System; Service Information; Troubleshooting - KYMCO GRAND DINK 250 Manual

12

. COOLING SYSTEM

SERVICE INFORMATION

GENERAL INSTRUCTIONS
• The water pump must be serviced after removing the engine.
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.
SPECIAL TOOL
Mechanical seal driver
TORQUE VALUES
Water pump impeller
Water pump cover bolt

TROUBLESHOOTING

Engine temperature too high
• Faulty temperature gauge or thermosensor
• Faulty radiator cap
• Faulty thermostat
• Insufficient coolant
• Passages blocked in hoses or water jacket
• Clogged radiator fins
• Passages blocked in radiator
• Faulty water pump
Temperature gauge pointer does not register
the correct coolant temperature
• Faulty temperature gauge or thermosensor
• Faulty thermostat
9.8 13.7N-m
7.8 11.8N-m
Coolant leaks
• Faulty pump mechanical (water) seal
• Deteriorated O-rings
• Damaged or deteriorated water hoses
GRAND DINK 250
Other cooling system service can
12-2