1998 TOYOTA LAND CRUISER tires

R12473
SR0M0-06
F03748
- STEERINGSTEERING WHEEL
SR-9
2218 Author
: Date
:
2004 LAND CRUISER (RM1071U)
STEERING WHEEL
INSPECTION
1. CHECK STEERING WHEEL FREEPLAY
(a) Stop the vehicle and face the tires straight ahead.
(b) Rock the steering wheel gently up and down with a finger
lightly, check the steering wheel freeplay.
Maximum freeplay: 40 mm (1.58 in.)
2. CHECK STEERING EFFORT
(a) Center the steering wheel.
(b) Remove the steering wheel pad (See page SR-14).
(c) Start the engine and run it at idle.
(d) Measure the steering effort in both directions.
Steering effort (Reference):
4.9 N´m (50 kgf´cm, 43 in.´lbf)
HINT:
Be sure to consider the tire type, pressure and contact surface
before making your diagnosis.
(e) Torque the steering wheel set nut.
Torque: 50 N´m (510 kgf´cm, 37 ft´lbf)
(f) Install the steering wheel pad (See page SR-24).

SR0LV-03
SR-2
- STEERINGTROUBLESHOOTING
2211 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 the order shown. If necessary, repair or replace these parts.
SymptomSuspect AreaSee page
Hard steering
3. Tires (Improperly inflated)
4. Power steering fluid level (Low)
5. Drive belt (Loose)
6. Front wheel alignment (Incorrect)
7. Steering system joints (Worn)
8. Suspension arm ball joints (Worn)
9. Steering column (Binding)
10.Power steering gearSA-4
SR-5
-
SA-6
-
SA-71
SA-76
-
SR-48
Poor return
1. Tires (Improperly inflated)
2. Front wheel alignment (Incorrect)
3. Steering column (Binding)
4. Power steering gearSA-4
SA-6
-
SR-48
Excessive play
1. Steering system joints (Worn)
2. Suspension arm ball joints (Worn)
3. Intermediate shaft, Universal joint, Sliding yoke (Worn)
4. Front wheel bearing (Worn)
5. Power steering gear-
SA-71
SA-76
-
SA-1 1
SR-48
Abnormal noise
1. Power steering fluid level (Low)
2. Steering system joints (Worn)
3. Power steering gearSR-5
-
SR-48
HINT:
When the problem occurs on the power tilt and telescopic steering system, refer to the DI section
(See page DI-656).

F05176
SA165-06
Z16659
M1 M2
- SUSPENSION AND AXLEDIFFERENTIAL LOCKING SYSTEM
SA-163
2113 Author
: Date
:
2004 LAND CRUISER (RM1071U)
DIFFERENTIAL LOCKING SYSTEM
ON-VEHICLE INSPECTION
1. INSPECT DIFFERENTIAL LOCK SYSTEM
(a) Inspect the indicator light.
Check that the indicator light lights up for approx. 1 se-
cond when the ignition switch is turned ON.
(b) Inspect the differential lock operation.
(1) Jack up the vehicle then start the engine.
(2) Shift the transfer shift lever to L position.
(3) When the diff. lock control switch is set to the RR
position, the indicator light is turned on.
Differential lock is applied to the rear wheel at this
time.
HINT:
If the gears of the differential lock system are not meshed, the
indicator light remains blinking, so rotate the tires to mesh the
gear.
(4) When the diff. lock control switch is at the OFF posi-
tion, the indicator light goes off.
Differential lock is released for the rear wheel at this
time.
(5) Check the voltage between the terminals of the rear
diff. lock control ECU when switching the diff. lock
control switch with the speedometer, registering
approx. 8 km/h (5 mph) or more.
Swith positionTerminalSpecified value
ONM1 - M20.5 V or less
(No change)
(6) Return the diff. lock control switch to OFF.
(7) Stop the engine and lower the vehicle.
2. INSPECT DIFF. LOCK SYSTEM CIRCUIT
(a) Inspect the battery positive voltage.
Battery positive voltage: 10 - 14 V

SA15T-04
F05181
F04386
SST
- SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER (w/ Diff. Lock)
SA-1 19
2069 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. SHIFTING REAR DIFF. LOCK
(a) Turn the ignition switch to the ON position.
(b) Shift the transfer shift lever to L position.
(c) Turn the differential lock control switch to the RR position
and lock the rear differential.
HINT:
While rotating the tires, check they are in the differential lock
condition.
(d) Disconnect the cable from the negative terminal of the
battery.
2. REMOVE 2 REAR WHEELS
Torque: 131 N´m (1,340 kgf´cm, 97 ft´lbf)
3. DRAIN HYPOID GEAR OIL
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
4. DISCONNECT BRAKE LINES
(a) Using SST, disconnect the brake line and remove the clip.
SST 09023-00100
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
(b) Employ the same manner described above to the other
side.
5. DISCONNECT PARKING BRAKE CABLES
(a) Remove the 2 clips, pin and disconnect the parking brake
cable from the bellcrank.
(b) Employ the same manner described above to the other
side.

SA141-04
R03031
F13676
Front (A)(B)
R07928
SA-4
- SUSPENSION AND AXLETIRE AND WHEEL
1954 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TIRE AND WHEEL
INSPECTION
1. INSPECT TIRE
(a) Check the tires for wear and proper inflation pressure.
Cold tire inflation pressure:
Tire sizeFront
kPa (kgf/cm2, psi)
Rear
kPa (kgf/cm2, psi)
P275/70R16200 (2.0, 29)
*220 (2.2, 32)220 (2.2, 32)
*240 (2.4, 35)
*: Trailer towing
(b) Check the tire runout.
Tire runout: 3.0 mm (0.118 in.) or less
2. ROTATE TIRE
HINT:

Rotate tires as shown in the illustration.

Rotate as shown in (B) if the spare tire is included in the
rotation.
3. INSPECT WHEEL BALANCE
(a) Check and adjust the Off-the car balance.
(b) If necessary, check and adjust the On-the car balance.
Imbalance after adjustment: 14.0 g (0.031 Ib) or less

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

SA28F-03
START
Preliminary Check
Tire pressure
Vehicle height
Brake dragging ROAD TEST
Does the vehicle lead/pull?
Cross switch front tire & wheel
assemblies (left & right).
Does the vehicle lead/pull in
same direction as before?
Check front wheel alignment.
Is it within specification?
Adjust front wheel alignment.Reverse the front left side
tire and rebalance it.
Does the vehicle
lead/pull to the left?
COMPLETE
Are the tires uni-directional type?
Choose the position of front tire & wheel
assemblies where there is least amount of pull.
Increase left front camber and decrease
right front camber until lead/pull is eliminated.Increase right front camber and decrease
left front camber until lead/pull is eliminated.
NO
YES
YES
NO
YES
YES
NO
YES
NO COMPLETE
NONOYES NOIs there steering
off center?
Adjust front tie rods.
NO
YES
Is the lead/pull stronger
than before?
YES
NOTICE : Do not exceed 1° of cross camber.
Do not exceed adjustment range.
Select a flat road where the vehicle can be driven in a straight line for 100 meters at a constant speed
of 35mph. Please confirm safety and set the steering wheel to its straight position. Drive the vehicle in
a straight line for 100 meters at a constant speed of 35mph without holding the steering wheel.
(1) The vehicle can keep straight but the steering wheel has some angle.
STEERING OFF CENTER (See page SR-10)
(2) The vehicle cannot keep straight.
STEERING PULL
YES NO
YES ROAD TEST
Does the vehicle still lead/pull?
NO ROAD TEST
Does the vehicle still lead/pull? ROAD TEST
Does the vehicle still lead/pull?
ROAD TEST
Does the vehicle still lead/pull?NO
Contact your local retail tire distributor.YES
*
*
- SUSPENSION AND AXLETROUBLESHOOTING
SA-3
1953 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REPAIR PROCEDURES
HINT:
This is a flow chart for vehicle pull.