2 6 B00l NG VI Banllng Sym Sarvlca Illagnusls GuntIn d Condition Possible Cause Correction COOLANT LOSS 8 Cracked head manifold or block 8 Replace as necessary BOILOVER Continued COOLANT ENTRY 1 Faulty head gasket 1 Replace head gasket INTO CRANKCASE OR CYLINDER 2 Crack in head manifold or block 2 Replace as necessary NOISE 1 Fan contacting shroud 1 Reposition shroud and check engine mounts Z Loose water pump 2 Replace pump 3 Dry fan belt 3 Apply belt dressing or replace belt 4 Loose fan belt 4 Adjust fan belt 5 Rough surface on drive pulley 5 Replace pulley 6 Water pump bearing wom 6 Remove belt to isolate Replace pump N0 COOLANT FLOW 1 Plugged retum pipe in water 1 Remove obstruction THROUGH HEATER pump CORE 2 Heater hose collapsed or 2 Remove obstruction or plugged replace hose 3 Plugged heater core 3 Remove obstruction or replace core 4 Plugged outlet in thermostat 4 Remove flash or housing obstruction 5 Heater bypass hole in cylinder 5 Remove obstruction head plugged six cylinder wg Q Y5 EM 3 Disconnect lower rsdistor hose from water pump 4 Bend a stiff clothes hanger or welding rod as wnu Pvmv shown in figure 2 5 5 Position rod in water pump inlet and Itry to I H Rd turn fan If impeller is loose and can be held vvith rod as l 8 water pump for a Dose lmpe er proc while fan is turning pump is defective If impeller turns pump is OK 1 Pvsition clean bucket benmh water i mv 6 Remnnecc nose and replenish coolant or pro 2 L00 fan belt ceed with further repairs