Trouble Shooter
FAULT	CAUSE	CURE
Loss of coolant	1. Damaged radiator	1. Repair or replace radiator.
	2. Leak at heater connection or plug	2. Repair or replace.
	3. Damaged cylinder head gasket	3. Replace gasket. Check engine oil and refill as necessary.
	4. Cracked cylinder block.	4. Replace cylinder block. Check engine oil in crankcase for mixing with water.
	5. Cracked cylinder head.	5. Replace cylinder head.
	6. Loose cylinder head bolts	6. Tighten cylinder head bolts.
Poor circulation	1. Restriction in system	1. Check hoses for crimping. Clear the system of rust and sludge.
	2. Insufficient coolant	2. Replenish.
	3. Inoperative water pump	3. Replace water pump.
	4. Loose fan belt	4. Adjust fan belt.
	5. Inoperative thermostat	5. Replace thermostat.
Corrosion	1. Excessive impurity in water	1. Use soft, clean water.
	2. Infrequent flushing and draining of system	2. Flush thoroughly at least twice a year.
Overheating	1. Inoperative thermostat	1. Replace thermostat
	2. Radiator fin choked with mud, leaves etc.	2. Clean out air passage.
	3. Incorrect ignition and valve timing	3. Tune engine.
	4. Dirty oil and sludge in engine	4. Change engine oil and filter.
	5. Inoperative water pump	5. Replace (or check-electrical).
	6. Loose fan belt	6. Adjust tension.
	7. Restricted radiator	7. Flush radiator.
	8. Inaccurate temperature gauge	8. Replace temperature gauge
	9. Impurity in water.	9. Use soft, clean water.
Overcooling	1. Inoperative thermostat	1. Replace thermostat.
	2. Inaccurate temperature gauge	2. Replace temperature gauge.