1998 TOYOTA LAND CRUISER Differential leak

MA02U-07
B04566
Dust Cover
B04567
B06414
MA-8
- MAINTENANCECHASSIS
56 Author
: Date
:
CHASSIS
INSPECTION
1. INSPECT STEERING LINKAGE
(a) Check the steering linkage for looseness or damage.
(b) Check the tie rod ends do not have excessive play.
(c) Check the dust seals and boots are not damaged.
(d) Check the boot clamps are not loose.
(e) Check the inspect the dust cover for damage.
2. INSPECT SRS AIRBAG (See pages RS-18, RS-32)
3. INSPECT STEERING GEAR HOUSING OIL
Check the steering gear housing for oil leakage.
If leakage is found, check for cause and repair.
4. INSPECT BALL JOINTS AND DUST COVERS
(a) Jack up the front of the vehicle and support it with stands.
(b) Make sure the front wheels are in a straight-ahead posi-
tion, and depress the brake pedal.
(c) Jack up the lower suspension arm until there is about half
a load on the front suspension.
(d) Inspect the dust cover for damage.
5. INSPECT DRIVE SHAFT BOOTS
Inspect the drive shaft boots for clamp looseness, grease leak-
age or damage.
6. INSPECT AUTOMATIC TRANSMISSION OIL LEVEL
(See page AT-3-1)
7. INSPECT TRANSFER AND DIFFERENTIAL OIL LEVEL
(a) Transfer:
Remove the filler plug and feel inside the hole with your
finger. Check that the oil comes to within 5 mm (0.20 in.)
of the bottom edge of the hole. If the level is low, add oil
until it begins to run out of the filler hole.
Transfer oil: See page TR-6

SA15R-1 1
SA-1 16
- SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
2066 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
Installation is in the reverse order of removal (See page SA-100).
HINT:
After installation, fill the differential with hypoid gear oil (See page SA-95), fill the brake reservoir with brake
fluid, bleed the brake system (See page BR-4), check for leaks and check the ABS speed sensor signal (See
page DI-505).

SA15X-09
SA-138
- SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER (w/ Diff. Lock)
2088 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
Installation is in the reverse order of removal (See page SA-100).
AFTER INSTALLATION, FILL DIFFERENTIAL WITH HYPOID GEAR OIL (See page SA-95)
HINT:
After installation, fill the differential with hypoid gear oil (See page SA-95), fill the brake reservoir with brake
fluid, bleed the brake system (See page BR-4), check for leaks and check the ABS speed sensor signal (See
page DI-505).

SA164-10
SA-162
- SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER (w/ LSD)
2112 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
Installation is in the reverse order of removal (See page SA-141).
HINT:
After installation, fill the differential with hypoid gear oil for LSD (See page SA-95), fill the brake reservoir
with brake fluid, bleed the brake system (See page BR-4), check for leaks and check the ABS speed sensor
signal (See page DI-505).

SA140-09
- SUSPENSION AND AXLETROUBLESHOOTING
SA-1
1951 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
(w/ Differential locking system):

Check that the transfer shift lever is shifted to the L position.

When switching differential Free e Lock, the indicator light will blink if the gears of the differen-
tial lock sleeve are not meshed. If this occurs, when the tires are rotated to apply differential
power to the differential, the differential locks and the indicator light lights up.
SymptomSuspect AreaSee page
Bottoming
1. Vehicle (Overloaded)
2. Spring (Weak)
3. Shock absorber (Worn)-
SA-65
SA-171
SA-62
SA-174
Sways/pitches
1. Tire (Worn or improperly inflated)
2. Stabilizer bar (Bent or broken)
3. Shock absorber (Worn)SA-4
SA-80
SA-184
SA-62
SA-174
Front wheel shimmy
1. Tire (Worn or improperly inflated)
2. Wheel (Out of balance)
3. Shock absorber (Worn)
4. Wheel alignment (Incorrect)
5. Ball joint (Worn)
6. Hub bearing (Loosen or worn)
7. Steering linkage (Loosen or worn)
8. Steering gear (Out of adjustment or broken)SA-4
SA-4
SA-62
SA-6
SA-71
SA-76
SA-1 1
-
SR-48
Abnormal tire wear
1. Tire (Improperly inflated)
2. Wheel alignment (Incorrect)
3. Shock absorber (Worn)
4. Suspension parts (Worn)SA-4
SA-6
SA-62
SA-174
-
Noise in front differential
1. Oil level (Low or wrong grade)
2. Excessive backlash between pinion and ring gear
3. Ring, pinion or side gears (Worn or chipped)
4. Pinion shaft bearing (Worn)
5. Side bearing (Worn)SA-35
SA-40
SA-40
SA-40
SA-40
Oil leak from front differential
1. Oil level (Too high or wrong grade)
2. Front differential rear oil seal (Worn or damaged)
3. Side gear oil seal (Worn or damaged)
4. Companion flange (Loosen or damaged)
5. Side gear shaft (Damaged)SA-35
SA-40
SA-40
SA-40
SA-40

SA-2
- SUSPENSION AND AXLETROUBLESHOOTING
1952 Author
: Date
:
2004 LAND CRUISER (RM1071U) Noise in rear axle
1. Oil level (Low or wrong grade)
2. Excessive backlash between pinion and ring gear
3. Ring, pinion or side gears (Worn or chipped)
4. Pinion shaft bearing (Worn)
5. Axle shaft bearing (Worn)SA-95
SA-102
SA-121
SA-143
SA-102
SA-121
SA-143
SA-102
SA-121
SA-143
SA-83
Oil leak from rear axle1. Oil seal (Worn or damaged)
2. Rear axle housing (Cracked)SA-83
-
Oil leak from rear differential
1. Oil level (Too high or wrong grade)
2. Rear differential front oil seal (Worn or damaged)
3. Companion flange (Loosen or damaged)SA-95
SA-95
SA-102
SA-121
SA-143
Diff. lock Indicator lights do not light up
1. Fusible link (Blown)
2. GAUGE fuse (Blown)
3. Bulb (Burned out)
4. Wiring or ground (Faulty)-
-
-
-
Diff. lock Indicator lights do not light up
(Diff. lock control switch RR position)
1. Diff. fuse (Blown)
2. Diff. lock control switch (Faulty)
3. Diff. lock ECU (Faulty)
4. Wiring or ground (Faulty)-
SA-163
SA-163
-
Differential lock does not operate
1. Diff. lock control switch (Faulty)
2. Diff. lock actuator (Faulty)
3. Diff. lock ECU (Faulty)
4. Differential carrier (Faulty)
5. Wiring or ground (Faulty)SA-163
SA-163
SA-163
-
-
After differential lock, lock is not released
When vehicle speed is at 8 km/h (5 mph) or more1. Speed sensor (Faulty)
2. Diff. lock ECU (Faulty)
3. Wiring or ground (Faulty)SA-163
SA-163
-

TR065-02
TR-2
- TRANSFERTROUBLESHOOTING
1890 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
SymptomSuspect AreaSee page
Noise
6. Oil (Level low)
7. Oil (Wrong)
8. Transfer faultyTR-4
TR-4
TR-7
Oil leakage
1. Oil (Level too high)
2. Gasket (Damaged)
3. Oil seal (Worn or damaged)
4. O-ring (Worn or damaged)TR-4
TR-7
TR-7
-
Transfer corner brakingCenter differential or transfer faultyTR-7