1995 ISUZU TROOPER Workshop Manual

hood open horn change key battery wiper size refuelling transmission oil

Page 273 of 1928

ISUZU TROOPER 1995 Workshop Manual ~2) Measuring the dimension between the thrust
washers at both ends (Fig. 48-81 ).
• Assemble the side gear, pinion, pinion
shaft, pressure ring and thrust washer,
and pressing
the pressur

Page 274 of 1928

$ISUZU TROOPER 1995 Workshop Manual 48 32 REAR AXLE lfl1 Checking the operation 1.!!:.1 • Measure the starting torque using the side gear holder. (Fig. 48-84). Starting torque N·m (lb·ft) \s4 -98 (47 -72) Side gear holder$

Page 275 of 1928

ISUZU TROOPER 1995 Workshop Manual REAR AXLE 48-33
MAIN DATA AND SPECIFICATIONS
GENERAL SPECIFICATIONS
Rear axle
Type
Size
Gear type
Gear ratio
Differential type
Lubricant
Grade
Capacity
mm (in)
(to
1)
liter (US gal)
B

Page 276 of 1928

ISUZU TROOPER 1995 Workshop Manual 48 34 REAR AXLE
TORQUE SPECIFICATIONS
REAR AXLE AND DIFFERENTIAL
Fig. 48-85
N·m (lb·ft) ~
•

Page 277 of 1928

ISUZU TROOPER 1995 Workshop Manual REAR AXLE 48-35
SPECIAL TOOLS
ILLUSTRATION TOOL NO.
TOOL NAME ILLUSTRATION TOOL NO.
TOOL NAME
~
J-39210
Installer: Axle shaft inner
seal @
J-37452
Remover: Pinion bearing
~
J-6627-A
Whee

Page 278 of 1928

ISUZU TROOPER 1995 Workshop Manual 48-36 REAR AXLE
SPECIAL TOOLS
ILLUSTRATION TOOL NO.
TOOL NAME
J-6133-01
Installer: Pinion bearing
J-39209
Punch:
End nut lock
J-37257
Installer: Side bearing
J-39602
Remover: Outer beari

Page 279 of 1928

ISUZU TROOPER 1995 Workshop Manual FRONT DRIVING AXLE 4C-1
SECTION 4C
FRONT DRIVING AXLE
f CAUTION:
When fasteners are removed, always reinstall them at the same location from which they were removed.
If a fastener needs to be

FRONT DRIVING AXLE 4C-1
SECTION 4C
FRONT DRIVING AXLE
'f CAUTION:
When fasteners are removed, always reinstall them at the same location from which they were removed.
If a fastener needs to be replaced, use the correct part number fastener for that application. If the correct
part
number fastener is not available, a fastener of equal size and strength (or stronger) may be used.
Fasteners
that are not reused, and those requiring thread locking compound, will be called out. The
correct
torque values must be used when installing fasteners that require torque. If the above conditions
are not followed, parts or system damage could result.
CONTENTS
General Description . . . . . . . . . . . . . . . . . . . . 4C-1
Diagnosis
of Front Driving Axle . . . . . . . . . . . 4C-2
Automatic Locking Free Wheel Hub . . . . . 4C-3
On-Vehicle Service ..................... 4C- 4
Pinion
Shaft Oil Seal Replacement . . . . . . 4C-4
Front Drive Shaft Joints Replacement . . . 4C-5
Front Hub Bearing Preload Check . . . . . . . 4C-5
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4C-6
Front Drive Axle Assembly . . . . . . . . . . . . 4C-6
Front Axle Drive Shaft . . . . . . . . . . . . . . . . 4C-9
Differential Assembly ................. 4C-14
Differential Cage Assembly . . . . . . . . . . . . 4C-24
Front Hub and Disc (4WD Model with
Automatic Locking Hub) . . . . . . . . . . . . 4C-28
Main Data and Specifications . . . . . . . . . . . . 4C-37
General Specifications . .

. . . . . . . . . . . . . . 4C-37
Torque Specifications ................. 4C-38
Special Tools .......................... 4C-41
GENERAL DESCRIPTION
This publication contains essential removal, instal
lation,
adjustment and maintenance procedures.
The
front axle utilizes a central disconnect type front
axle/transfer case system. The
drive axles are completely flexible assemblies,
consisting
of inner and outer constant velocity (CV)
drive shaft joints connected by an axle shaft. For
description
of front propeller shaft and universal
joint, refer to Section 4A "PROPELLER SHAFT".

Page 280 of 1928

ISUZU TROOPER 1995 Workshop Manual 4C-2 FRONT DRIVING AXLE
DIAGNOSIS OF FRONT DRIVING AXLE
PROBLEM POSSIBLE CAUSE CORRECTION
Oil
Leak At Front 1. Worn or defective oil seal. 1. Replace the oil seal.
Axle 2. Front axle housing

4C-2 FRONT DRIVING AXLE
DIAGNOSIS OF FRONT DRIVING AXLE
PROBLEM POSSIBLE CAUSE CORRECTION
Oil
Leak At Front 1. Worn or defective oil seal. 1. Replace the oil seal.
Axle 2. Front axle housing cracked. 2. Repair or replace.
Oil Leak At Pinion 1. Too much gear oil. 1. Correct the oil level.
Shaft 2. Oil seal worn or defective. 2. Replace the oil seal.
3. Pinion flange loose or damaged. 3. Tighten or replace.
Noises In Front Axle Broken or worn drive shaft joints and Replace
the drive shaft joints and
Drive Shaft Joint bellows (BJ and DOJ) bellows.
"Clank" When Ac-1. Loose drive shaft joint to output shaft 1. Tighten.
celerating From bolts.
"Coast" 2. Damaged inner drive shaft joint. 2. Replace.
Shudder or Vibration 1. Excessive drive shaft joint angle. 1. Repair.
During Acceleration 2. Worn or damaged drive shaft joints. 2. Replace.
3. Sticking spider assembly (inner drive 3. Lubricate or replace.
shaft joint).
4. Sticking joint assembly (outer drive 4. Lubricate or replace.
shaft joint).
Vibration At 1. Out of balance or out of round tires. 1. Balance or replace.
Highway Speeds 2. Front end out of alignment. 2. Align.
Noises in Front Axle 1. Insufficient gear oil. 1. Replenish the gear oil.
2. Wrong or poor grade gear oil. 2. Replace the gear oil.
3. Drive pinion to ring gear backlash 3. Adjust the backlash.
incorrect.
4. Worn or chipped ring gear, pinion 4. Replace the ring gear, pinion gear
gear
or side gear. or side gear.
5. Pinion shaft bearing worn. 5. Replace the pinion shaft bearing.
6. Wheel bearing worn. 6. Replace the wheel bearing.
7. Differential bearing loose or worn. 7. Tighten or replace.
Wanders and Pulls 1. Wheel bearing preload too tight. 1. Adjust the wheel bearing preload.
2. Incorrect front alignment. 2. Adjust the front alignment.
3. Steering linkage loose or worn. 3. Tighten or replace.
4. Steering gear out of adjustment. 4. Adjust or replace the steering
gear.
5. Tire worn or improperly inflated. 5. Adjust the inflation or replace.
6. Front or rear suspension parts loose 6. Tighten or replace.
or broken.
Front Wheel Shimmy 1. Wheel bearing worn or improperly 1. Adjust or replace.
adjusted.
2. Incorrect front alignment. 2. Adjust the front alignment.
3. Worn ball joint or bush. 3. Replace the ball joint or bush.
4. Steering linkage loose or worn. 4. Tighten or replace.
5. Steering gear out of adjustment. 5. Tighten or replace.
6. Tire worn or improperly inflated. 6. Replace or adjust the inflation.
7. Shock absorber worn. 7. Replace the shock absorber.
..

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