Troubleshooting - KYMCO MXU 500 User Manual

6
. COOLING SYSTEM
TORQUE VALUES
Water pump cover bolt
Fan motor bolt
Fan motor switch

TROUBLESHOOTING

Engine temperature too high
• Faulty radiator cap
• Faulty temperature gauge or thermosensor
• Air in system
• Thermostat stuck closed
• Insufficient coolant
• Passages blocked in radiator, hoses or water jacket
• Faulty cooling fan motor
• Faulty fan motor switch
• Faulty water pump
Engine temperature too low
• Faulty temperature gauge or thermosensor
• Thermostat stuck open
• Faulty fan motor switch
Coolant leak
• Faulty water pump mechanical seal
• Deteriorated O-rings
• Faulty radiator cap
• Damaged or deteriorated cylinder head gasket
• Loose hose connection or clamp
• Damaged or deteriorated hoses
1.3 kgf-m (13 N-m, 9 lbf-ft)
0.53 kgf-m (5 N-m, 3.8 lbf-ft)
1.8 kgf-m (17 N-m, 13 lbf-ft)
MXU 500
6-4