1996 TOYOTA LAND CRUISER Ect

BR1CE−01
R13494
R00252
BR−4
−
BRAKE BRAKE FLUID
986
Author: Date:
1996 LAND CRUISER (RM451U)
BRAKE FLUID
BLEEDING
HINT:
If any work is done on the brake system or if air is suspected in
the brake lines, bleed the system of air.
NOTICE:
Do not let brake fluid remain on a painted surface. Wash it
off immediately.
1. FILL BRAKE RESERVOIR WITH BRAKE FLUID
Check the fluid level in the reservoir after bleeding each wheel.
Add fluid, if necessary. Fluid: SAE J1703 or FMVSS No.116 DOT3
2. BLEED MASTER CYLINDER
HINT:
If the master cylinder has been disassembled or if the reservoir
becomes empty, bleed the air from the master cylinder.
(a) Disconnect the brake lines from the master cylinder.
(b) Slowly depress the brake pedal and hold it.
(c) Block off the outlet plugs with your fingers, and release the brake pedal.
(d) Repeat (b) and (c) 3 or 4 times.
3. CONNECT VINYL TUBE TO BRA KE CALIPER BLEED-
ER PLUG
Insert other end of the tube in a half −full container of brake fluid.
NOTICE:
Begin bleeding air from the brake caliper with the longest
hydraulic line.
4. BLEED BRAKE LINE
(a) Slowly depress the brake pedal several times.
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BR3295
Push RodStop Light Switch
Pedal Height
BR1CF−04
BR4980
A
BR0016
Pedal Freeplay
BR−6
−
BRAKE BRAKE PEDAL
988
Author: Date:
1996 LAND CRUISER (RM451U)
BRAKE PEDAL
ON−VEHICLE INSPECTION
1. CHECK PEDAL HEIGHT
Pedal height from dash panel:
167.5 − 177.5 mm (6.594 − 6.988 in.)
2. IF NECESSARY, ADJUST PEDAL HEIGHT
(a) Disconnect the connector from the stop light switch.
(b) Loosen the stop light switch lock nut and remove the stop
light switch.
(c) Loosen the push rod lock nut.
(d) Adjust the pedal height by turning the pedal push rod.
(e) Tighten the push rod lock nut. Torque: 25 N·m (260 kgf·cm, 19 ft·lbf)
(f) Install the stop light switch and turn it until it lightly con-
tacts the pedal stopper.
(g) Turn the stop light switch back one turn.
(h) Check the clearance (A) between the stop light switch and pedal.
Clearance: 0.5 − 2.4 mm (0.020 − 0.094 in.)
(i) Tighten the stop light switch lock nut.
(j) Connect the connector to the stop light switch.
(k) Check that the stop lights come on when the brake pedal
is depressed, and go off when the brake pedal is re-
leased.
(l) earance (A) between the stop light switch and the pedal
stopper has been adjusted correctly, the pedal freeplay
will meet the specifications.
3. CHECK PEDAL FREEPLAY
(a) Stop the engine and depress the brake pedal several times until there is no more vacuum left in the booster.
(b) Push in the pedal by hand until the beginning of the se- cond resistance is felt. Measure the distance.
Pedal freeplay: 3 − 6 mm (0.12 − 0.24 in.)
HINT:
The freeplay to the 1st resistance is due to the play between the
clevis and pin. This is magnified up to 3 − 6 mm (0.12 − 0.24 in.)
at the pedal.
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BR3297
Pedal Reserve Distancea
−
BRAKE BRAKE PEDAL
BR−7
989
Author: Date:
1996 LAND CRUISER (RM451U)
If incorrect, check the stop light switch clearance.
If the clearance is OK, then troubleshoot the brake system.
4. CHECK PEDAL RESERVE DISTANCE
Release the parking brake.
With the engine running, depress the pedal and measure
the pedal reserve distance, as shown.
Pedal reserve distance, ’a’, at 490 N (50 kgf, 110.2lbf):
More than 68 mm (2.68 in.)
If the reserve distance incorrect, troubleshoot the brake sys-
tem.
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BR4774
BR1CG−01
BR4775
BR−8
−
BRAKE PARKING BRAKE LEVER
990
Author: Date:
1996 LAND CRUISER (RM451U)
PARKING BRAKE LEVER
ON−VEHICLE INSPECTION
1. CHECK THAT PARKING BRAKE LEVER TRAVEL IS
CORRECT
Pull the parking brake lever all the way up, and count the num-
ber of clicks.
Parking brake lever travel at 196 N (20 kgf, 44.1 lbf):
7 − 9 clicks
If incorrect, adjust the parking brake.
2. IF NECESSARY, ADJUST PARKING BRAKE
HINT:
Before adjusting the parking brake, make sure that the rear
brake shoe clearance has been adjusted. For shoe clearance
adjustment (See page BR−42).
(a) Remove the rear console box.
(b) Loosen the lock nut and turn the adjusting nut until the le-
ver travel is correct.
(c) Tighten the lock nut.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)
(d) Install the rear console box.
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BR1CI-01
R13497
R13591
BR-10
-
BRAKE BRAKE MASTER CYLINDER
1996 LAND CRUISER (RM451U)
REMOVAL
1. DISCONNECT LEVEL WARNING SWITCH CONNEC- TOR
2. TAKE OUT FLUID WITH SYRINGE
NOTICE:
Do not let brake fluid remain on a painted surface. Wash it
off immediately.
3. DISCONNECT BRAKE LINES
Using SST, disconnect the 4 brake lines from the master cylin-
der and 3-way. SST 09023-00100
Torque: 15 N´m (155 kgf´cm, 11 ft´lbf)
4. REMOVE MASTER CYLINDER
(a) Remove the 4 nuts. Torque: 13 N´m (130 kgf´cm, 9 ft´lbf)
(b) Remove the 3-way, check valve bracket, wire harness clamp and bracket.
(c) Pull out the master cylinder and gasket.
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BR1CK-01
BR-12
-
BRAKE BRAKE MASTER CYLINDER
1996 LAND CRUISER (RM451U)
INSPECTION
HINT:
Clean the disassembled parts with compressed air.
1. INSPECT CYLINDER BORE FOR RUST OR SCORING
2. INSPECT CYLINDER FOR WEAR OR DAMAGE
If necessary, clean or replace the cylinder.
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BR1CQ−01
BR3976
SST
Gasket
R11347
SST
BR−20
−
BRAKE BRAKE BOOSTER ASSEMBLY
1996 LAND CRUISER (RM451U)
INSTALLATION
1. INSTALL BRAKE BOOSTER
(a) Install the booster and a new gasket.
(b) Install the clevis to the operating rod.
(c) Install and torque the booster installation nuts. Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(d) Install the clevis pin into the clevis and brake pedal, and
install the clip to the clevis pin.
(e) Install the pedal return spring.
2. ADJUST LENGTH OF BOOSTER PUSH ROD
(a) Install a new gasket on the master cylinder.
(b) Set the SST on the gasket, and lower the pin until its tip slightly touches the piston.
SST 09737−00010
(c) Turn the SST upside down, and set it on the booster. SST 09737−00010
(d) Measure the clearance between the booster push rod and pin head (SST).
Clearance: 0 mm (0 in.)
(e) Adjust the booster push rod length until the push rod light-
ly touches the pin head.
3. INSTALL MASTER CYLINDER (See page BR−9 )
4. CONNECT VACUUM HOSE TO BRAKE BOOSTER
5. FILL BRAKE RESERVOIR WITH BRAKE FLUID AND
BLEED BRAKE SYSTEM (See page BR−4 )
6. CHECK FOR FLUID LEAKAGE
7. CHECK AND ADJUST BRAKE PEDAL (See page BR−6 )
8. DO OPERATIONAL CHECK (See page BR−17 )
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BR1CS−04
BR−22
−
BRAKE FRONT BRAKE PAD
1996 LAND CRUISER (RM451U)
REPLACEMENT
1. REMOVE FRONT WHEEL
2. INSPECT PAD LINING THICKNESS
Check the pad thickness and replace pads if not within the
specification. Minimum thickness: 1.0 mm (0.039 in.)
3. REMOVE THESE PARTS:
Clip
2 pins
Anti−rattle spring
2 pads
4 anti−squeal shims
NOTICE:
The anti −rattle spring and clip can be used again provided
that they have sufficient rebound, no deformation, cracks
or wear, and have had all rust, dirt and foreign particles
cleaned off.
4. CHECK DISC THICKNESS AND RUNOUT (See page
BR−27 )
5. INSTALL NEW PADS
NOTICE:
When replacing worn pads, the anti −squeal shims must be
replaced together with the pads.
(a) Draw out a small amount of brake fluid from the reservoir.
(b) Press in the pistons with a hammer handle or an equiva- lent.
HINT:
Always change the pad on one wheel at a time as there
is a possibility of the opposite piston flying out.
If the piston is difficult to push in, loosen the bleeder plug
and push in the piston while letting some brake fluid es-
cape.
(c) Install the 2 anti−squeal shims to new pads.
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