Page 1 of 30

x
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
Page 21 of 30

INTRODUCTION AND MASTERTROUBLESHOOTING - GeneralDataandSpecmcations 21
L042G L141G
TNSL FM TNJL F/H
TRJL F/H TRUL F/H
Engine
Model No. G54B 6672 6672 6672
Type In-line OHC V-type, OHC V-type, OHC
V-type, OHC
Number of cylinders 4 6 6 6
Bore 91.1 mm(3.59in.j 91.1 mm(3.59in.j 91.1 mm(3.59in.) 91.1 mm(3.59in.
Stroke 98.0 mm (3.86 in.) 76.0 mm (2.99 in.) 76.0 mm (2.99 in.) 76.0 mm (2.99 in.
Piston displacement 2,555 cm3 2,972 cm3 2,972 cm3 2,972 cm3
(155.9 cuin.) (181.4cu.in.) (181.4cu.in.) (181.4 cuin.)
Compression ratio 8.7 8.9 8.9 8.9
Firing order 1-3-4-2 1-2-3-4-5-6 I -2-345-5 1-2-3-4.5-8
Basic ignition timing 7”BTDC 22” 5”BTDC 22” 5”BTDC i 2” 5”BTDC +-2”
Transmission &transfer case
Model No. KM145 V5MTl KM148 KM148
Type S-speed manual 5-speed manual &peed automatic &peed automatic
Gear ratio
Transmission 1st 3.967 3.918 2.826 2.826
2nd 2.136 2.261 1.493 1.493
3rd 1.360 1.395 1 .ooo 1.000
4th 1 .ooo 1.000 0.688 0.688
5th 0.856 0.829 -
Reverse 3.587 3.925 2.703 2.703
Transfer case High 1 .ooo 1 .ooo 1 .ooo 1 .ooo
Low 1.944 1.925 1.925 1.925
Final ring ratio gear 4.625 4.625 4.625 4.625
Clutch
Type Dry single disc & Dry single disc & -
diaphragm spring diaphragm spring
Chassis
Tire size
Front suspension
Type
Rear suspension
Type
Brakes
Type Front
Rear P225ff 5Rl5 P235ff5Rl5
independent Independent double-wishbone
double-wishbone
Rigid axle Rigid axle
Disc Disc
Drum Drum (Leading and trailing)
(Leading and trailing)
Power steering
Gear type
Gear ratio
Fuel tank capacity Integral type Integral type (Recirculating ball nut)
(Recirculating ball nut)
16.4 16.4
liters (gals.) 60 (15.9) 75 (19.8)
[ TSB Revision
Page 23 of 30
INTRODUCTION AND MASTER TROUBLESHOOTING - General Dataand Swxifications 23
Transmission &transfer case
Model No.
Type
Gear ratio
Transmission 1 St
2nd
3rd
4th
5th
Reverse
Transfer case High
Low
Final ring gear ratio
Elutch
Type
Chassis
Tire size
Front suspension
Type
Rear suspension
Type
Brakes
Type Front
Rear
Power steering
Gear type
Gear ratio
Fuel tank capacity liter (gal.) VMNJL F/H VMRJL F/H WMRUL F/H
EMT1 KM148 KM148
5-speed manual 4-speed automatic 4-speed automatic
3.918
2261
1.395
1.000
0.829
3.925
1.000
1.925
4.625 2.826 2.826
1.493 1.493
1 .ooo 1 .ooo
0.688 0.688
2.703
1 .ooo
1.925
4.625 -
2.703
1 .ooo
-1.925
4.625
Dry single disc &
diaphragm spring
P235ff 5 R 15 L146G
7
Independent doublewishbone
Rigid axle
Disc
Drum (Leading and trailing)
Integral type (Recirculating ball nut)
16.4
92 (24.3)
1 TSB Revision
Page 28 of 30

INTRODUCTION MASTER TROUBLESHOOTING - Master Troubleshootha
POOR RETURN OF STEERING WHEEL TO CENTER
Symptom Probable cause Reference
page or remedy
Poor return of steering
wheel to center improper front wheel alignment 2-13
Improper tire pressure 22-2
Damaged front wheel bearing 2-21
POOR RIDING
Probable cause Reference
page or remedy
Poor riding Impropertire pressure
lmbalanced wheels 22-2
22-4
1 Improper front or rear wheel alignment 1 2-13.17-3.6
1 Malfunctioning shock absorber 1 2-27,174.a
1 Broken or worn stabilizer
1 Broken or worn torsion bar spring j 2-36
I
Loose suspension securing bolt(s) Retighten
I
1 Worn lower arm bushing / 231
I
ABNORMAL TIRE WEAR
Symptom Probable cause Reference
page or remedy
Abnormal tire wear Improper front or rear wheel alignment 2-l 3,17-3.6
Improper tire pressure 22-2
lmbalanced wheels 22-4
Loose wheel bearings 2-19
Malfunctioning shock absorber 2-27. 174.8
ROAD WANDER
Symptom Probable cause Reference
page or remedy
Road wander z Improper front or rear wheel alignment 2-13. 17-3,6
Excessive play of steering wheel 19-6
Poor turning resistance of upper ball joint ~ 2-27
Improper tire pressure 22-2
/ Loose or worn lower arm or upper arm bushing 2-28.31
Loose or worn wheel bearinas
I
[ TSB Revision
I 2-19
1 ~- __
- rr.