Mazda 323 1988 Workshop Manual page 183

TROUBLESHOOTING GUIDE
3A
SPECIFICATIONS
TROUBLESHOOTING GUIDE
I
Problem Possible Cause Remedy
Page
Coolant leakage
Corrosion Impurities in coolant Clean and flush 3A- 4
Overheating
Damaged radiator core seam
Leakage from radiator hose or heater hose
Leakage from water therm0 switch
Malfunction of water pump seal
Damaged or loose thermostat cover or QaSkat
Loose cylinder head bolt
Damaged cylinder head gasket
Cracked cylinder block
Cracked cylinder head
Replace
Repair or replace
Repair or replace
Replace
Repair or replace
Refer to Section IA
Refer to Section 1A
Refer to Section 1A
Refer to Section 1A
3A- 8
3A- 8
3A- 6
3A- 9
3A- 7
-
-
-
-
Water passage Clogged Clean 3A- 8
Thermostat malfunction
Replace
3A- 7
Radiator fins clogged Clean 3A- 8
Water pump malfunction
Repair or replace
3A- 9
Insufficient coolant
Add
3A- 4
Electric fan motor malfunction RaplaCe 3A- 5
Electric fan relay malfunction Replace 3A- 6
Radiator cap malfunction Replace 3A- 5
3A-3