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SBR116BG
Installation=NBBR0027CAUTION:
IBe careful not to deform or bend brake pipes during instal-
lation of booster.
IReplace clevis pin if damaged.
IRefill with new brake fluid ªDOT 3º.
INever reuse drained brake fluid.
ITake care not to damage brake booster mounting bolt
thread when installing. Due to the narrow angle of
installation, the threads can be damaged by the dash
panel.
1. Before fitting booster, temporarily adjust clevis to dimension
shown.
2. Fit booster, then secure mounting nuts (brake pedal bracket to
brake booster) lightly.
3. Connect brake pedal and booster input rod with clevis pin.
4. Secure mounting nuts.
Specification: 13 - 16 N´m (1.3 - 1.6 kg-m,9-12ft-lb)
5. Install master cylinder. Refer to ªInstallationº in ªMASTER
CYLINDERº, BR-18.
6. Adjust brake pedal height and free play. Refer to ªAdjustmentº
in ªBRAKE PEDAL AND BRACKETº, BR-14.
7. Secure lock nut for clevis.
: 16 - 22 N´m (1.6 - 2.2 kg-m, 12 - 16 ft-lb)
8. Bleed air. Refer to ªBleeding Brake Systemº, BR-8.
BRAKE BOOSTER
Installation
BR-20
Page 410 of 2395
SBR382D
Vacuum HoseNBBR0028
SBR225B
Removal and InstallationNBBR0029CAUTION:
When installing vacuum hoses, pay attention to the following
points.
IDo not apply any oil or lubricants to vacuum hose and
check valve.
IInsert vacuum tube into vacuum hose as shown.
SBR498A
IInstall check valve, paying attention to its direction.
InspectionNBBR0030HOSES AND CONNECTORSNBBR0030S01Check vacuum lines, connections and check valve for airtightness,
improper attachment chafing and deterioration.
SBR943A
CHECK VALVENBBR0030S02Check vacuum with a vacuum pump.
Connect to booster side Vacuum should exist.
Connect to engine side Vacuum should not exist.
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VACUUM PIPING
Vacuum Hose
BR-21
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ComponentsNBBR0031
SBR385DC
1. Main pin
2. Pin boot
3. Torque member fixing bolt
4. Torque member
5. Shim cover
6. Inner shim7. Inner pad
8. Pad retainer
9. Outer pad
10. Outer shim
11. Connecting bolt
12. Copper washer13. Main pin bolt
14. Bleed valve
15. Cylinder body
16. Piston seal
17. Piston
18. Piston boot
Pad ReplacementNBBR0032WARNING:
Clean brakes with a vacuum dust collector to minimize the
hazard of airborne particles or other materials.
CAUTION:
IWhen cylinder body is open, do not depress brake pedal,
or piston will pop out.
IBe careful not to damage piston boot or get oil on rotor.
Always replace shims when replacing pads.
IIf shims are rusted or show peeling of the rubber coat,
replace them with new shims.
IIt is not necessary to remove connecting bolt except for
disassembly or replacement of caliper assembly. In this
case, suspend cylinder body with wire so as not to stretch
brake hose.
ICarefully monitor brake fluid level because brake fluid will
return to reservoir when pushing back piston.
FRONT DISC BRAKE
Components
BR-22
Page 412 of 2395
SBR383D
1. Remove master cylinder reservoir cap.
2. Remove lower pin bolt.
SBR384D
3. Open cylinder body upward. Then remove pad retainers, and
inner and outer shims.
Standard pad thickness:
11.0 mm (0.433 in)
Pad wear limit:
2.0 mm (0.079 in)
Carefully monitor brake fluid level because brake fluid will
return to reservoir when pushing back piston.
RemovalNBBR0033WARNING:
Clean brake pads with a vacuum dust collector to minimize the
hazard of airborne particles or other materials.
CAUTION:
Suspend caliper assembly with wire so as not to stretch brake
hose.
SBR386D
Remove torque member fixing bolts and connecting bolt.
It is not necessary to remove connecting bolt except for dis-
assembly or replacement of caliper assembly. In this case,
suspend caliper assembly with wire so as not to stretch brake
hose.
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FRONT DISC BRAKE
Pad Replacement (Cont'd)
BR-23
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SBR085A
DisassemblyNBBR0034WARNING:
Do not place your fingers in front of piston.
CAUTION:
Do not scratch or score cylinder wall.
1. Push out piston with dust seal with compressed air.
2. Remove piston seal with a suitable tool.
InspectionNBBR0035CALIPERNBBR0035S01Cylinder BodyNBBR0035S0101ICheck inside surface of cylinder for score, rust, wear, damage
or presence of foreign objects. If any of the above conditions
are observed, replace cylinder body.
IMinor damage from rust or foreign objects may be eliminated
by polishing surface with a fine emery paper. Replace cylinder
body if necessary.
CAUTION:
Use brake fluid to clean. Never use mineral oil.
PistonNBBR0035S0102Check piston for score, rust, wear, damage or presence of foreign
objects. Replace if any of the above conditions are observed.
CAUTION:
Piston sliding surface is plated. Do not polish with emery
paper even if rust or foreign objects are stuck to sliding sur-
face.
Slide Pin, Pin Bolt and Pin BootNBBR0035S0103Check for wear, cracks, rust or other damage. Replace if any of the
above conditions are observed.
SBR019B
ROTORNBBR0035S02RunoutNBBR0035S02011. Secure rotor to wheel hub with at least two nuts (M12´1.25).
2. Check runout using a dial indicator.
Make sure that wheel bearing axial end play is within the
specifications before measuring. Refer to AX-4, ªFront Wheel
Bearingº.
Maximum runout:
0.1 mm (0.004 in)
3. If the runout is out of specification, find minimum runout posi-
tion as follows:
a. Remove nuts and rotor from wheel hub.
b. Shift the rotor one hole and secure rotor to wheel hub with
nuts.
c. Measure runout.
d. Repeat steps a. to c. so that minimum runout position can be
found.
4. If the runout is still out of specification, turn rotor with on-car
brake lathe (ªMAD, DL-8700º, ªAMMCO 700 and 705º or
equivalent).
FRONT DISC BRAKE
Disassembly
BR-24
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SBR020B
ThicknessNBBR0035S0202Thickness variation (At least 8 positions):
Maximum 0.015 mm (0.0006 in)
If thickness variation exceeds the specification, turn rotor with on-
car brake lathe.
Rotor repair limit:
26.0 mm (1.024 in)
SBR574
AssemblyNBBR00361. Insert piston seal into groove on cylinder body.
2. With piston boot fitted to piston, insert piston boot into groove
on cylinder body and install piston.
3. Properly secure piston boot
SBR387D
InstallationNBBR0037CAUTION:
IRefill with new brake fluid ªDOT 3º.
INever reuse drained brake fluid.
1. Install caliper assembly.
2. Install brake hose to caliper securely.
3. Install all parts and secure all bolts.
4. Bleed air. Refer to ªBleeding Brake Systemº, BR-8.
Brake Burnishing ProcedureNBBR0086When experiencing soft brake pedal feel at very low mileage, or
after replacing the rotor, burnish the brake pad contact surfaces
according to the following procedures.
CAUTION:
Only perform this procedure under safe road and traffic con-
ditions. Use extreme caution.
1. Drive the vehicle on a straight smooth road at 50 km/h (31
MPH).
2. Use medium brake pedal/foot effort to bring the vehicle to a
complete stop from 50 km/h (31 MPH). Adjust brake pedal/foot
pressure such that vehicle stopping time equals 3 to 5 sec-
onds.
3. To cool the brake system, drive the vehicle at 50 km/h (31
MPH) for 1 minute without stopping.
4. Repeat steps 1 to 3 10 times or more to complete the burnish-
ing procedure.
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FRONT DISC BRAKE
Inspection (Cont'd)
BR-25
Page 415 of 2395
ComponentsNBBR0038
SBR757DA
1. Shoe hold pin
2. Plug
3. Back plate
4. Check plug
5. Spring
6. Shoe (leading side)
7. Air bleeder
8. Spring
9. Piston cup10. Piston
11. Boot
12. Retainer ring
13. Toggle lever
14. Wave washer
15. Shoe (trailing side)
16. Adjuster
17. Boot
18. Piston19. Piston cup
20. Wheel cylinder
21. Adjuster lever
22. Spring seat
23. Shoe hold spring
24. Retainer
25. Adjuster spring
26. Return spring (upper)
27. Return spring (lower)
RemovalNBBR0039WARNING:
Clean brake lining with a vacuum dust collector to minimize
the hazard of airborne asbestos or other materials.
CAUTION:
Make sure parking brake lever is released completely.
SBR264CA
1. Release parking brake lever fully, then remove drum.
If drum is hard to remove, the following procedures
should be carried out.
a. Remove plug. Then shorten adjuster to make clearance
between brake shoe and drum as shown.
REAR DRUM BRAKE
Components
BR-26
Page 416 of 2395
SBR093A
b. Tighten the two bolts gradually.
SBR266CA
2. After removing shoe hold pin by rotating push retainer, remove
leading shoe then remove trailing shoe. Remove spring by
rotating shoes in direction arrow.
Be careful not to damage wheel cylinder piston boots.
3. Remove adjuster.
SBR267CA
4. Disconnect parking brake cable from toggle lever.
Be careful not to damage parking brake cable when separat-
ing it.
SBR093B
5. Remove retainer ring with a suitable tool. Then separate toggle
lever and brake shoe.
SBR816B
InspectionNBBR0040WHEEL CYLINDERNBBR0040S01ICheck wheel cylinder for leakage.
ICheck for wear, damage and loose conditions.
Replace if any such condition exists.
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REAR DRUM BRAKE
Removal (Cont'd)
BR-27