6. COOLING SYSTEM UXV 500 TORQUE VALUES Water pump cover bolt 1.3 kgf-m (13 N-m, 9 lbf-ft) Fan motor bolt 0.53 kgf-m (5 N-m, 3.8 lbf-ft) Fan motor switch 1.8 kgf-m (17 N-m, 13 lbf-ft) 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 6-4