Suzuki WagonR+ RB310 Service Manual page 2561

6B-4 ENGINE COOLING
Condition
Engine overheats
DIAGNOSIS
Possible Cause
D Loose or broken water pump belt
D Not enough coolant
D Faulty thermostat
D Faulty water pump
D Dirty or bent radiator fins
D Coolant leakage on cooling system
D Defective cooling fan motor
D Faulty fan motor control circuit
D Plugged radiator
D Faulty radiator cap
D Dragging brakes
D Slipping clutch
Correction
Adjust or replace.
Check coolant level and add as necessary.
Replace.
Replace.
Clean or remedy.
Repair.
Check and replace as necessary.
Check control circuit.
Check and replace radiator as necessary.
Replace.
Adjust brake.
Adjust or replace.