8. TROUBLE SHOOTING
(3)Replace.(3) Unbalanced fan
(2)Retighten or replace(2) Loose or bent fan
(1)Replace(1) Poor water pump bearing4) Noisy cooling
fan
(5) Inspect cylinder head and
Replace gasket
(5) Water leakage through cylinder
head gasket
(4)Repair or replace(4) Leaking water pump
(3)Replace radiator cap(3) Fatigued pressure valve spring
(2)Retighten or replace(2) Loosely clamped or broken water
hose
(1)Repair or replace(1) Leaking radiator3)Lose of coolant
(1)Replace(1) Poor thermostat2) Overcooling
(9) Clean radiator exterior.(9) Clogged air ways
(8) Adjust injection timing.(8) Improper injection timing
(7)Clean radiator and water
passages.
(7) Clogged water passages
(6)Repair or replace.(6) Poor water pump or water leaks
(5)Replace.(5) Poor thermostat
(4)Replace.(4) Oily fan belt
(3)Adjust belt tension or replace.(3) Loose or broken fan belt
(2)Replace radiator cap.(2) Fatigued pressure valve spring
(1)Replenish coolant and inspect
water leaks.
(1) Low coolant level1) Overheating
(6)Replace(6) Cracked cylinder head or body
(4)Replace.(4) Poor fan belt
(2) Decrease radiator working area
by radiator masking.
(2) Excessive low atmospheric
temperature
(10) Inspect cylinder head and
replace cylinder gasket
(10) Fuel gas enters water jacket due
to broken cylinder gasket
CountermeasuresCausesProblems
TABLE 3-1
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