2004 SUZUKI GRAND VITARA sec 8

YH4
GRAND
VITARA
5
1
6
4
2
6
3
6
1. Brake master cylinder ass'y
2. Brake booster ass'y
3. Gasket
4. Push rod clevis
5. Nut
6. Clevis pin
7. Clip
8. Nut
9. Brake vacuum hose
1. Steering column
2. Push rod clevis
3. Brake pedal arm
4. Clevis pin
5. Clip
6. Nut
1. ABS hydraulic
unit
2. Brake pipes
5A-14 BRAKES PIPE / HOSE / MASTER CYLINDER
BRAKE BOOSTER
REMOVAL
NOTE:
Do not allow brake fluid to get on painted surfaces.
1) For vehicle equipped with ABS, disconnect brake pipes from
ABS hydraulic unit.
2) Remove master cylinder assembly, referring to MASTER CYL-
INDER ASSEMBLY REMOVAL in this section.
3) Disconnect brake vacuum hose from brake booster.
4) Disconnect push rod clevis from brake pedal arm.
5) Remove attaching nuts and then booster as shown.
CAUTION:
Never disassemble brake booster. Disassembly will spoil
its original function. If it is found faulty, replace it with
new one.

YH4
GRAND
VITARA
5A-16 BRAKES PIPE / HOSE / MASTER CYLINDER
1. Clevis
2. Nut
1. Steering column 4. Clevis pin
2. Push rod clevis 5. Clip
3. Brake pedal arm 6. NutBOOSTER PUSH ROD CLEVIS ADJUSTMENT
Install push rod clevis so that measurement ªaº is obtained and
torque nut to specification.
Tightening Torque
(a): 25 N
.m (2.5 kg-m, 18.0 lb-ft)
Length
ªaº: 109.5 ± 110.5 mm (4.31 ± 4.35 in.)
INSTALLATION
NOTE:

See NOTE at the beginning of this section.

Check length of push rod clevis. (Refer to BOOSTER PUSH
ROD CLEVIS ADJUSTMENT.)

Before installing master cylinder, adjust booster piston rod.
(Refer to CLEARANCE BETWEEN BOOSTER PISTON ROD
AND MASTER CYLINDER PISTON ADJUSTMENT of this sec-
tion.)

Apply silicone grease to master cylinder piston.
1) Install booster to dash panel as shown. Then connect booster
push rod clevis to pedal arm with clevis pin and clip.
2) Tighten booster attaching nuts to the specified torque.
Tightening Torque
(a): 13 N
.m (1.3 kg-m, 9.5 lb-ft)
3) Connect brake vacuum hose to brake booster.
4) For vehicle equipped with ABS, connect brake pipes to ABS hy-
draulic unit. If ABS hydraulic unit bracket bolts removed, tighten
flare nuts to specification after installing master cylinder.
Tightening Torque
(a): 16 N
.m (1.6 kg-m, 12.0 lb-ft)
5) Install master cylinder, referring to MASTER CYLINDER AS-
SEMBLY INSTALLATION in this section.

YH4
GRAND
VITARA
5B
FRONT BRAKE 5B-1
SECTION 5B
FRONT BRAKE
NOTE:
All brake fasteners are important attaching parts in that they could affect the performance of vital parts
and systems, and / or could result in major repair expense. They must be replaced with one of same part
number or with an equivalent part if replacement becomes necessary. Do not use a replacement part of
lesser quality or substitute design. Torque values must be used as specified during reassembly to assure
proper retention of all parts. There is to be no welding as it may result in extensive damage and weakening
of the metal.
CONTENTS
GENERAL DESCRIPTION5B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS5B- 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECK AND ADJUSTMENT5B- 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE5B- 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Disc Brake Pad5B- 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Disc Brake Caliper5B- 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Brake Disc5B-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIGHTENING TORQUE SPECIFICATIONS5B-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REQUIRED SERVICE MATERIAL5B-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

YH4
GRAND
VITARA
1. Caliper
2. Caliper pin bolts
3. Disc
1. Caliper
2. Wire hook
3. Pad
FRONT BRAKE 5B-3
DIAGNOSIS
Refer to Section 5 (BRAKES).
CHECK AND ADJUSTMENT
Refer to Section 5 (BRAKES).
ON-VEHICLE SERVICE
FRONT DISC BRAKE PAD
REMOVAL
1) Hoist vehicle and remove wheel.
2) Remove caliper pin bolts.
3) Remove E-ring from strut and then remove caliper from caliper
carrier.
NOTE:
Hang removed caliper with a wire hook or the like so as to
prevent brake hose from bending and twisting excessively
or being pulled. Don't operate brake pedal with pads re-
moved.
4) Remove pads.
INSPECTION
Brake Pad
Check pad lining for wear. When wear exceeds limit, replace with
new one.
CAUTION:
Never polish pad lining with sandpaper. If lining is polished
with sandpaper, hard particles of sandpaper will be depos-
ited in lining and may damage disc. When pad lining re-
quires correction, replace it with a new one.
Pad thickness (lining + rim) ªaº
Standard: 15.0 mm (0.590 in.) For SUMITOMO ELECTRIC. . .
brake calliper
15.5 mm (0.610 in.) For TOKICO brake caliper. . .
Service limit: 7.0 mm (0.275 in.) For SUMITOMO ELECTRIC. .
brake caliper
7.5 mm (0.295 in.) For TOKICO brake caliper. .
NOTE:
When pads are removed, visually inspect caliper for brake
fluid leak. Correct leaky point, if any.

YH4
GRAND
VITARA
5B-4 FRONT BRAKE
1. Wheel nut
2. Washer
(or spacer)
ªAº: Apply grease
Brake Disc
Before this inspection, brake pads must be removed.
Check disc surface for scratches in wearing parts. Scratches on
disc surface noticed at the time of specified inspection or replace-
ment are normal and disc is not defective unless they are serious.
But when there are deep scratches or scratches all over disc sur-
face, replace it. When only one side is scratched, polish and correct
that side.
Disc thickness ªaº
Standard: 22 mm (0.866 in.) For SUMITOMO ELECTRIC. . . . .
brake caliper
17 mm (0.670 in.) For TOKICO brake caliper. . . . .
Service limit: 20 mm (0.787 in.) For SUMITOMO ELECTRIC. .
brake caliper
15 mm (0.590 in.) For TOKICO brake caliper. .
Use wheel nuts and suitable plain washers to hold the disc securely
against the hub, then mount a dial indicator as shown and measure
the runout at 25 mm (0.98 in.) from the outer edge of the disc.
Limit on disc deflection: 0.15 mm (0.006 in.)
NOTE:
Check front wheel bearing for looseness before measure-
ment.
Cylinder Slide Guide Pin / Pin Bolt
Check guide pin for smooth movement as shown.
If it is found faulty, correct or replace. Apply rubber grease to guide
pin outer surface. Rubber grease should be the on whose viscosity
is less affected by such low temperature a ±40
C (±40
F).
Dust Boot
Check boot for breakage, crack and damage. If defective, replace.

YH4
GRAND
VITARA
1. Clips
2. Pads
3. Disc
4. Caliper carrier
5. Sensor
6. Shim
1. Caliper pin bolts
ELECTRIC brake
caliper
FRONT BRAKE 5B-5
INSTALLATION
NOTE:
See NOTE at the beginning of this section.
1) Install pad clips and pads.
NOTE:
Install pad with sensor to body center side of caliper.
2) Install caliper and torque caliper pin bolts to specification.
Tightening Torque
(a), (b): 27 N
.m (2.7 kg-m, 20.0 lb-ft) For TOKICO brake. .
caliper
(a): 50 N
.m (5.0 kg-m, 36.5 lb-ft) For SUMITOMO. . . . . .
(b): 85 N
.m (8.5 kg-m, 61.5 lb-ft)
NOTE:
Make sure that boots are fit into groove securely.
3) Torque front wheel nuts to specification.
Tightening Torque
(b): 100 N
.m (10.0 kg-m, 72.5 lb-ft)
4) Upon completion of installation, perform brake test.

YH4
GRAND
VITARA
1. Caliper pin bolts
1. Flexible hose bolt
FRONT BRAKE 5B-9
Caliper
Before installing caliper (cylinder body) to carrier, check to ensure
that guide pin (pin bolt) inserted in each caliper carrier hole can be
moved smoothly in thrust direction.
NOTE:
Where temperature gets as low as ±30
C in cold weather, use
rubber grease whose viscosity varies very little even at ±40
C
(±40
F).
INSTALLATION
1) Install caliper to caliper carrier.
2) Torque caliper pin bolts to specifications.
Tightening Torque
(a), (b): 27 N
.m (2.7 kg-m, 20.0 lb-ft) For TOKICO brake. .
caliper
(a): 50 N
.m (5.0 kg-m, 36.5 lb-ft) For SUMITOMO. . . . .
(b): 85 N.m (8.5 kg-m, 61.5 lb-ft) ELECTRIC brake
85 N.m (8.5 kg-m, 61.5 lb-ft)caliper
NOTE:
Make sure that boots are fit into groove securely.
3) Install brake flexible hose as shown and torque hose mounting
bolt to specification.
Tightening Torque
(b): 23 N
.m (2.3 kg-m, 17.0 lb-ft)
4) Torque wheel nuts to specification.
Tightening Torque
(c): 100 N
.m (10.0 kg-m, 72.5 lb-ft)
5) After completing installation, fill reservoir with brake fluid and
bleed brake system. Perform brake test and check each
installed part for oil leakage.

YH4
GRAND
VITARA
1. 8 mm bolt
5B-10 FRONT BRAKE
FRONT BRAKE DISC
REMOVAL
1) Hoist vehicle and remove wheel.
2) Remove caliper assembly by loosening carrier bolts (2 pcs.).
CAUTION:
During removal, be careful not to damage brake flexible
hose and not to depress brake pedal.
3) Remove disc by using 8 mm bolts (2 pcs.).
INSPECTION
Refer to FRONT DISC BRAKE PAD INSPECTION.
INSTALLATION
NOTE:
See NOTE at the beginning of this section.
1) Install disc to wheel hub.
2) Install caliper assembly to steering knuckle.
3) Torque caliper carrier bolts to specification.
Tightening Torque
(a): 85 N
.m (8.5 kg-m, 61.5 lb-ft)
4) Torque front wheel nuts to specifications.
Tightening Torque
(b): 100 N
.m (10.0 kg-m, 72.5 lb-ft)
5) Upon completion of installation, perform brake test.