Mitsubishi Eclipse 1990 Service Manual page 694

TROUBLESHOOTING
OVERHEAT
Probable cause
Inoperative electric cooling fan
Water leaks
Faulty
automatic transaxle oil
operation
Others
NO RISE IN TEMPERATURE
Probable cause
Faulty thermostat
E N G I N E C O O L I N G
Faulty electrical motor ,
Faulty radiator fan
Damaged radiator core joint
Corroded or cracked hoses
(radiator hose, heater hose, etc.)
Faulty radiator cap valve or
spring
Cracked intake manifold
Cracked thermostat housing
Loose bolts or leaking gasket in
water outlet fitting
Loose bolts or leaking gasket in
water inlet fitting
Loose water pump mounting bolts or
leaking gasket
Loose thermostat housing bolts or
gasket
or collapsed hose and pipe
Loose hose and pipe connection
engine coolant
Too high an anti-freeze
concentration
Loose or broken drive belt
Damaged or blocked (insufficiently
ventilated) radiator fins
Faulty thermostat operation
Faulty water pump operation
Water passage clogged with slime or
rust deposit or foreign substance
TSB Revision
Remedy
Replace
R e p l a c e
Replace
Replace
.
Replace
R e p l a c e
Torque again or replace gasket
Torque bolts again or replace gasket
Torque bolts again or replace . .
.
Correct
Replace
Clean
,
.
Remedy
Replace
.
. .
.
.
.
.
,