Mitsubishi 4DQ5 Service Manual Page 116

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Page view 115
Complaint
Possible cause
E
t;
>
'"
Ol
c:
o
o
U
E
Engine
is
too cold.
Radiator dissipates heat
excessively
Insufficient coolant
Failure
of
radiator
to
dis-
sipate heat properly
Water leak through
cylinder head gasket
Cracks in crankcase water
jacket
Defective starter switch
Defective starter magnetic
switch
Defective starting motor
Defective starting motor
free wheel
t;
Defective flywheel ring
~
gear
and
pinion
'"
...
....
co
C.
Battery voltage drop
Open circuit in heater
plugs or pilot lamp
Short circuit in heater
plugs
Defective alternator
Defective alternator
relay
Improper wiring
Jammed moving parts
Worn cylinders, pistons
or piston rings
Sticking piston rings
Excessive main bearing
clearance
g' Loose connecting rod cap
.~
bolts
E
Interference between
valve and piston
Broken valve springs
Excessive valve clearance
Foreign substances in
cylinders
Excessive gear backlash
o
o
o
o
o
o
o o
o
o
o
o
o
o
o o
o
o
o
o
o
o
o
o
-
112-
o
o
o
o
o -
-
o
o
- 0
--,-
-
- 0
o
- - - 0
o
o
o
Abnormal ex-
haust smoke
o
o
o
o
o
o
o
o
o o
u
o
o o
o
Engine
hunts
o - - - -
o -
- - -
- - 0 - -
o
0--
o 0 - - -
0--
- -
o
- 0 - - -
- 0 - - -
- 0
000
- 0
000
- 0 - - -
- 0
Page view 115
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