1996 TOYOTA LAND CRUISER parking brake

Q07310Control Shaft Lever(b)
(c)
Q07311
Neutral Basic Line
Bolt
Groove
−
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI−139
1996 LAND CRUISER (RM451U)
(3) Return the control shaft lever 2 notches to N posi-
tion.
(4) Set the shift lever to N position.
(5) While holding the shift lever lightly toward the R
position side, adjust the control rod nut.
(6) Tighten the control rod nut.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(7) Start the engine and make sure that the vehicle moves forward when shifting the lever from the N to
D position and reverses when shifting it to the R
position.
(g) Inspec and adjust park/neutral positoin switch. Check that the engine can be started with the shift lever
only in the N or P position, but not in other positions.
If not as stated above, carry out the following adjustment proce-
dure.
(1) Loosen the park/neutral position switch bolt and set
the shift lever to the N position.
(2) Align the groove and neutral basic line.
(3) Hold in position and tighten the bolt.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf) For continuity inspect of the park/neutral position
switch, see page DI−169 .
(h) Check the idle speed. Idle speed:
650 ± 50 rpm (In N position and air conditioner OFF)
7. MECHANICAL SYSTEM TESTS
(a) Measure the stall speed. The object of this test is to check the overall performance of the transmis\
sion and engine by measuring
the stall speeds in the D and R positions.
NOTICE:
Do the that at normal operating ATF temperature 50 − 80°C (122 − 176° F).
Do not continuously run this test longer than 5 seconds.
To ensure safety, conduct this test in a wide, clear, level area which provides good traction.
The stall test should always be carried out in pairs. One technician should\
observe the condi-
tions of wheels or wheel stoppers outside the vehicle while the other is doin\
g the test.
(1) Chock the 4 wheels.
(2) Connect an OBD II scan tool or TOYOTA hand−held tester to the DLC3.
(3) Fully apply the parking brake.
(4) Keep your left foot pressed firmly on the brake pedal.
(5) Start the engine.
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DI−140
−
DIAGNOSTICS AUTOMATIC TRANSMISSION
1996 LAND CRUISER (RM451U)
(6) Shift into the D position. Press all the way down on the accelerator pedal wi\
th your right foot.
Quickly read the stall speed at this time.
Stall speed: 1,950 ± 150 rpm
(7) Do the same test in R position.
Stall speed: 1,950 ± 150 rpm
Evaluation:
ProblemPossible cause
Stall speed low in D and R positions
 Engine output may be insuf ficient
 Stator one− way clutch is operating properly
HINT:
If more than 600 rpm below the specified value, the torque con-
verter clutch could be faulty.
Stall speed high in D position
 Line pressure too low
 Forward clutch slipping
 No. 2 one− way clutch not operating properly
 O/D one− way clutch not operating properly
Stall speed high in R position
Line pressure too low
 Direct clutch slipping
 1st and reverse brake slipping
 O/D clutch slipping
Stall speed high in D and R positions
Line pressure too low
 Improper fluid level
 O/D one− way clutch not operating properly
(b) Measure the time lag.
When the shift lever is shifted while the engine is idling, there will be a certain time lapse o\
r lag before
the shock can be felt. This is used for checking the condition of the O/D d\
irect clutch, forward clutch,
direct clutch and 1st and reverse brake.
NOTICE:
Do the test at normal operating ATF temperature 50 − 80°C (122 − 176° F).
Be sure to allow 1 minute interval between tests.
Take 3 measurements and take the average value.
(1) Fully apply the parking brake.
(2) Start the engine and check idle speed.
Idle speed: 650 ± 50 rpm (In N position and air conditioner OFF)
(3) Shift the shift lever from N to D position. Using a stop watch, measure the ti\
me it takes from shift-
ing the lever until the shock is felt.
In the same manner, measure the time lag for N → R.
Time lag: N → D Less than 1.2 seconds
In the same way, measure the time lag for N → R.
Time lag: N → R Less than 1.5 seconds
If N → D time or N → R time lag is longer than specified:
Evaluation:
ProblemPossible cause
N → D time lag is longer
Line pressure too low
 Forward clutch worn
 O/D one− way clutch not operating properly
N → R time lag is longer
Line pressure too low
 Direct clutch worn
 1st and reverse brake worn
 O/D one− way clutch not operating properly
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−
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI−141
1996 LAND CRUISER (RM451U)
8. HYDRAULIC TEST
Measure the line pressure.
NOTICE:
Do the test at normal operation ATF temperature 50 − 80°C (122 − 176° F).
The line pressure test should always be carried out in pairs. One techni\
cian should observe
the conditions of wheels or wheel stoppers outside the vehicle while the ot\
her is doing the test.
Be careful to prevent SST’s hose from interfering with the exhaust pipe.
(1) Warm up the ATF.
(2) Remove the test plug on the transmission case right side and connect SST\
(See page AT−18
for the location to connect SST).
SST 09992 −00094 (09992 −00150, 09992−00270)
(3) Fully apply the parking brake and chock the 4 wheels.
(4) Start the engine and check idling speed.
(5) Keep your left foot pressed firmly on the brake pedal and shift into D p\
osition.
(6) Measure the line pressure when the engine is idling.
(7) Press the accelerator pedal all the way down. Quickly read the highest line pr\
essure when engine
speed reaches stall speed.
NOTICE:
Release the accelerator pedal and stop test if the rear wheels begin to rotate before the engine speed
reaches the specified stall speed.
(8) In the same manner, do the test in R position.
Specified line pressure:
Condition D position kPa (kgf/cm2, psi) R position kPa (kgf/cm2, psi)
Idling422 −
481 (4.3 − 4.9, 61 − 70)510 − 608 (5.2 − 6.2, 74 − 88)
Stall1,285 − 1,530 (13.1 − 15.6, 128 − 153)1,579 − 1,932 (16.1 − 19.7, 158 − 193)
If the measured pressures are not up to specified values, recheck the thro\
ttle cable adjustment and retest.
Evaluation:
ProblemPossible cause
If the measured value at all positions are higher
Throttle cable out of adjustment
 Throttle valve defective
 Regulator valve defective
If the measured value at all positions are lower
Throttle cable out of adjustment
 Throttle valve defective
 Regulator valve defective
 Oil pump defective
 O/D direct clutch defective
If pressure is low in the D position onlyD position circuit fluid leakage
 Forward clutch defective
If pressure is low in the R position only
R position circuit fluid leakage
 Direct clutch defective
 1st and reverse brake defective
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MAINTENANCE INSIDE VEHICLE
MA−3
43
Author: Date:
1996 LAND CRUISER (RM451U)
13. ACCELERATOR PEDAL
Check the pedal for smooth operation and uneven pedal effort or catching.
14. BRAKE PEDAL (See page BR−6 )
(a) Check that pedal for smoothly operation.
(b) Check that the pedal has the proper reserve distance and freeplay.
(c) Check the brake booster function.
15. BRAKES
At a safe place, check that the brakes do not pull to one side when appl\
ied.
16. PARKING BRAKE (See page BR−8 )
(a) Check that the lever has the proper travel.
(b) On a safe incline, check that the vehicle is held securely with only the\
parking brake applied.
17. AUTOMATIC TRANSMISSION ”PARK” MECHANISM
(a) Check the lock release button of the selector level for proper and smoot\
h operation.
(b) On a safe incline, check that the vehicle is held securely with the select\
or lever in the P position and all brakes released.
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MA02R−04
MA−4
−
MAINTENANCE UNDER HOOD
44
Author: Date:
1996 LAND CRUISER (RM451U)
UNDER HOOD
GENERAL MAINTENANCE
1. GENERAL NOTICE
Maintenance items may vary from country to country. Check the owner’s manual supplement in which
the maintenance schedule is shown.
Every service item in the periodic maintenance schedule must be performe\
d.
Periodic maintenance service must be performed according to whichever interval in\
the periodic main-
tenance schedule occurs first, the odometer reading (miles) or the time inter\
val (months).
Maintenance service after the last period should be performed at the same interval \
as before unless
otherwise noted.
Failure to do even one item can cause the engine to run poorly and incre\
ase exhaust emissions.
2. WINDSHIELD WASHER FLUID
Check that there is sufficient fluid in the tank.
3. ENGINE COOLANT LEVEL Check that the coolant level is between the FULL and LOW lines on the se\
e −through reservoir.
4. RADIATOR AND HOSES
(a) Check that the front of the radiator is clean and not blocked with leave\
s, dirt or bugs.
(b) Check the hoses for cracks, kinks, rot or loose connections.
5. BATTERY ELECTROLYTE LEVEL
Check that the electrolyte level of all battery cells is between the upp\
er and lower level lines on the case.
If level is low, add distilled water only.
6. BRAKE FLUID LEVELS
Check that the brake fluid level is near the upper level line on the see\
−through reservoir.
7. ENGINE DRIVE BELTS
Check drive belt for fraying, cracks, wear or oiliness.
8. ENGINE OIL LEVEL
Check the level on the dipstick with the engine turned off.
9. POWER STEERING FLUID LEVEL
(a) Check the level on the dipstick.
(b) The level should be in the HOT or COLD range depending on the fluid temp\
erature.
10. AUTOMATIC TRANSMISSION FLUID LEVEL
(a) Park the vehicle on a level surface.
(b) With the engine idling and the parking and foot brake applied, shift the sel\
ector into all positions from the P to L, and then shift into the P.
(c) Pull out the dipstick and wipe off the fluid with a clean rag. Re −insert the dipstick fully and check that
the fluid level is in the HOT range.
(d) Do this check with the fluid at normal driving temperature (70 − 80°C (158 − 176° F)).
HINT:
Wait about 30 minutes before checking the fluid level after extended driving\
at high speeds in hot weather,
driving in heavy traffic or with a trailer.
11. EXHAUST SYSTEM
Visually inspect for cracks, holes or loose supports.
If any change in the sound of the exhaust or smell of the exhaust fumes is\
noticed, have the cause located
and corrected.
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MA0055
MA02T−03
MA−6
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MAINTENANCE BRAKE
46
Author: Date:
1996 LAND CRUISER (RM451U)
BRAKE
INSPECTION
1. INSPECT BRAKE LINE PIPES AND HOSES
HINT:
Check in a well lighted area. Check the entire circumference
and length of the brake hoses using a mirror as required. Turn
the front wheels fully right or left before checking the front brake.
(a) Check all brake lines and hoses.
Check for damage.
Check for wear.
Check for deformation.
Check for cracks.
Check for corrosion.
Check for leaks.
Check for bends.
Check for twists.
(b) Check all clamps for tightness and connections for leak- age.
(c) Check that the hoses and lines are clear of sharp edges, moving parts and the exhaust system.
(d) Check that the lines installed in grommets pass through the center of the grommets.
2. INSPECT FRONT BRAKE P ADS AND DISCS (See page
BR−27 )
3. INSPECT REAR BRAKE PADS AND DISCS (See page
BR−36 )
4. INSPECT PARKING BRAKE LININGS AND DRUMS
(See page BR−42 )
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SA1VB−01
R08001
Lock Nut Mark
Axle Housing
Mark
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SUSPENSION AND AXLE REAR AXLE HUB
SA−69
1996 LAND CRUISER (RM451U)
INSTALLATION
1. INSTALL REAR AXLE HUB
(a) Clean the hub installation position of the axle housing and
apply MP grease thinly.
(b) Place the axle hub to the axle housing.
NOTICE:
Be careful not to damage the oil seal.
(c) Install the outer bearing.
2. INSTALL LOCK NUT PLATE AND REAR AXLE BEAR- ING LOCK NUT
(a) Place the lock nut plate on the axle housing, making sure
the tongue lines up with the key groove.
(b) Temporarily install the lock nut.
3. INSTALL DISC
Install the disc to the rear axle hub and temporarily install the
2 hub nuts.
4. ADJUST PRELOAD
(a) Using SST, torque the bearing lock nut.SST 09509−25011
Torque: 59 N·m (600 kgf·cm, 43 ft·lbf)
(b) Make the bearing smooth by turning the hub several
times.
(c) Using the SST, retighten the bearing lock nut. Torque: 59 N·m (600 kgf·cm, 43 ft·lbf)
(d) Using the SST, loosen the nut until it can be turned by
hand.
(e) Using a spring tension gauge, check the preload and tighten the nut until the preload is within the specification.
Preload (at starting):
26−57 N (2.6−5.8 kgf, 5.7−12.8 lbf)
NOTICE:
Make sure that there is no contact with the parking brake
shoe.
(f) Align the mark on the bearing lock nut and tip of axle housing under the above preload range.
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SA1VP−01
R08418
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SUSPENSION AND AXLE COIL SPRING AND REAR SHOCK ABSORBER
SA−11 3
1996 LAND CRUISER (RM451U)
REMOVAL
1. REMOVE REAR WHEEL
Torque:
Steel wheel: 147 N·m (1,500 kgf·cm, 109 ft·lbf)
Aluminum wheel: 103 N·m (1,050 kgf·cm, 76 ft·lbf)
2. REMOVE REAR SHOCK ABSORBER
(a) Remove the lower bolt holding the shock absorber from the rear axle housing.
Torque: 64 N·m (650 kgf·cm, 47 ft·lbf)
(b) Remove the retainer and 2 cushions, disconnect the shock absorber.
(c) Remove the 2 upper bolts and shock absorber. Torque: 50 N·m (510 kgf·cm, 37 ft·lbf)
(d) Remove these parts from the shock absorber:
Nut
3 Retainers
2 Cushions
Bracket
Torque: 69 N·m (700 kgf·cm, 51 ft·lbf)
3. DISCONNECT STABILIZER BAR BRACKETS FROM
REAR AXLE HOUSING (See page SA−124 )
4. DISCONNECT LATERAL CONTROL ROD FROM REAR AXLE HOUSING (See page SA−11 8 )
5. REMOVE COIL SPRING
(a) Begin to lower the axle housing.
HINT:
Be careful not to snap the brake line and parking brake cable.
(b) With lowering the rear axle housing, remove the coil spring and insulator.
HINT:
Check that the coil spring end is installed correctly.
If the coil spring end is not in the correct position, reinstall the
coil spring.
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