1989 MITSUBISHI MONTERO cooling

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Service Manual
MONTCRO
GROUP INDEX NrJDAA-A
Introduction and
Master Troubleshooting ......*....*...*..
Lubrication and Maintenance . . . . . . . . .
m.
1989 : Volume 1
FOREWORD
This Service Manual has been prepared with the
latest service information available at the time of
publication. It is subdivided into various group
categories and each section contains diagnosis,
disassembly, repair, and installation procedures
along with complete specifications and tightening
references. Use of this manual will aid in properly
performing any servicing necessary to maintain or
restore the high levels of performance and reliability
designed into these outstanding vehicles.
4liP A
.
n
WESUPPORT
VOLUNTARY TECHNICIAN
CE,TT,flCA~ONMROUGH
MITSUBISHI MOlUR SALES OF AMERICR Inr
Mitsubishi Motors corporation reserves the right to make changes in
design or to make additions to or improvements in its products without
imposing any obligations upon itself to install them on its products
previously manufactured.
Front Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . y
Rear Axle *.......*.......*................a.....*..
m
Service
Srakes- Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . &
Clutch ................................................
Hi
Cooling .............................................
w
Engine ............................................... m
Intake and Exhaust ,.......*..........*......
ml
Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
mE
Propeller Shaft and Universal
Joint . . . . . . . . m;
Rear Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . mt
Power Steering . . . . ..a*........................
m
Transmission - fity$tic . . . . . . . . . . . . . &!a
Wheels and Tires .............................
FP
Body .................................................. m
Heater and Air Conditioning ........... p!’
Emission Control Systems .............. &!!!!
NOTE
For Electrical refer to .._
Volume-2 “Electrical”
Q 198’8 Mitsubishi Motors Corporation Printed in Japan

INTRODUCTION AND MASTER TROUBLESHOOTING - How To Use This Manual
3
Page number
Group title Section title
7-io t COOLING - Thedostat
vrra-r I
THERML . -.
REMOVAL AND INSTALLATlON
I Indicates tightening
torque
Repair kit or set parts are
shown. fOnlv verv freouentlv
-
1. Connection of enginecoolant temperature
syitch connector (Vehicles with an air condition-
3. Water outlet fitting
4. Water outlet fitting gasket
+ee 5 Thermostat
I This number corresponds to
the number in “Removal
steps”, “Disassembly
steps”, “Installation steps”
or “Reassembly steps”.
L
SERVICE POINTS OF INSTALLATION-
S. INSTALIATION OF THERMOSTAT
Install the thermostat to the intake manifold as illustrated.
caution
The thermostat Range tits over
the manifold seat;
ensure that the thermostat is not installed at an angle.
An explanation of procedures, notes, etc.
regarding removal, installation. disassembly
and reassembly.

24 INTRODUCTION AND MASTER TROUBLESHOOTING - WasterTroubleshooting Tightening Torque I
TIGHTENING TORQUE
Description
Thread for general purposes
(size x pitch) mm
6x1.0
8x 1.25
10x1.25
12x 1.25
14x 1.5
16x 1.5
18x 1.5
20x1.5
22x 1.5
24x 1.5
Description
Taper thread for pipes (size)
PT1/8
PT l/4
PT 3B
Taper thread for dry sealed pipes (size)
NF’TF l/16
NPTF l/8
NPTF l/4 Head mark f
Nm
3.0-3-s
7.9-12
16-23
29-43
46-70
67-l 00
100-150
150-190
ZOO-260
269-320 ft.lbs.
2.2-2.9 4.9-7.8
3.6-5.8
5.8-8.7 13-19 9.4-14
12-17 27-39 20-29
2’132 47-72 35-53
35-52 77-110 57-35
51-77 130-160 SO-120
74-110 180-230 130-170
110-140 160-320 1 go-240
150-190 340-430 250-320
1 go-240 420-550 310-410 Head mark [
Nm I
ft.lbs.
Nm ftlbs. Remarks
7.9-I 2 5.9-9.7 Internal thread: Aluminum
76-19 12-14 Internal thread: Cast iron
19-30 14-22 Internal thread: Aluminum
34-45 25-33 Internal thread: Cast iron
39-54 29-40 Internal thread: Aluminum
58-73 43-54 Internal thread: Cast iron
4.9-7.8 3.6-5.8 Internal thread: Aluminum
7.9-12 5.8-8.7 Internal thread: Cast iron
7.9-12 5.8-8.7 Internal thread: Aluminum
16-1s 12-14 Internal thread: Cast iron
19-13 14-22 Internal thread: Aluminum
34-45 25-33 Internal thread: Cast iron
MASTER TROUBLESHOOTING NceKAAO
ENGINE OVERHEATS
Symptom Probable cause -
Reference
page or remedy
Engine overheats Cooling system faulty
Incorrect ignition timing
1 TSB Revision