Isuzu N-Series. Manual — part 216
HYDRAULIC BRAKES 5A-23
7. Caliper Assembly and Bolt (Lock pin side)
• Install the caliper assembly to the support as-
sembly guide pin from the inside.
• Return the caliper assembly to its original posi-
tion.
• Tighten the bolt (lock pin side) to the specified
torque.
Tighten:
Bolt (Lock pin side) to 125 N
⋅m (12.7 kg⋅m / 92 lb⋅ft).
8. Flexible Hose
• Tighten the flexible hose bolt to the specified
torque.
Tighten:
Hose bolt to 34 N
⋅m (3.5 kg⋅m / 25 lb⋅ft).
Air Bleeding
Refer to “Brake Bleeding” in Section 00 of section.
Legend
1. Pin Boss of Support
2. Support Assembly
3. Pin Boot
4. Pin
Legend
1. Caliper Assembly
2. Support Assembly
3. Pin Bolt
3
1
2
N5A0432E
Legend
1. Caliper Assembly
2. Support Assembly
1
2
N5A0443E
N5A0444E
5A-24 HYDRAULIC BRAKES
Front Disc Brake Pad
Removal
Notice:
• Block vehicle wheels and apply the parking brake.
• Rise the axle to clear the tire from the ground.
Position jack stands under vehicle.
• Remove the wheel.
1. Loosen and remove the lock pin bolt from the lower
side of the caliper.
2. Turn the caliper assembly up and wire it to the
frame firmly so that the hose is not stretched.
Notice:
• Do not disconnect the brake hose.
3. Remove the pad assembly with clips.
4. Conduct disc wear check, and resurface or replace
it as required.
5. When removing brake disc, slide caliper assembly
inside of the vehicle, and take out brake disc from
support assembly.
Take care not to wipe the special grease from
guide pin, and prevent from sticking dust or any for-
eign material to guide pin.
6. Refer to Section 4C FRONT AXLE and Section 3C
FRONT SUSPENSION for disc wear check and re-
placement procedures.
Installation
1. Keep the rotor face away from the brake oil or
grease.
2. Use a hand vise to push the piston backward until
it reaches the cylinder bottom, as the piston was
pushed forward by the distance where the pad
worn.
Notice:
• When using a hand vise, push the piston at its cen-
ter.
3. Remove hand vise and install the new pads along
with new clips.
Notice:
• Be careful not to assemble the inner and outer pad
reversely.
4. Install the bolt (Lock pin side) into the lock pin by
turning the caliper carefully so that the piston boot
and pin boot may not be wedged.
After assembling the caliper assembly, make sure
that the piston boot and pin boot fitted correctly,
and not damaged.
Legend
1. Lock Pin
2. Inner Pad
3. Outer Pad
4. Caliper Assembly
5. Support Assembly
1
2
3
4
5
N5A0445E
Legend
1. Steel Plate
2. Caliper Assembly
3. Piston
4. Hand Vise
2
1
3
4
N5A0446E
HYDRAULIC BRAKES 5A-25
Independent Suspension Models (NKR)
Legend
1. Joint bolt and flexible hose
7. Support assembly
2. Lock pin bolt
8. Boot ring
3. Guide pin bolt
9. Piston boot
4. Caliper assembly
10. Piston
5. Pad
11. Piston seal
6. Pad clip
N5A0112E
5A-26 HYDRAULIC BRAKES
Removal
1. Joint bolt and Flexible Hose
2. Lock Pin Bolt
3. Guide Pin Bolt
4. Caliper Assembly
5. Pad
6. Pad Clip
7. Support Assembly
8. Boot Ring
9. Piston Boot
10. Piston
1) Place a piece of wood across the body assem-
bly to prevent piston damage.
2) Apply approximately 196 kPa (2 kg/cm
2
/ 28.4
psi) of compressed air to the body assembly oil
port to remove the pistons.
N5A0113E
N5A0114E
N5A0115E
N5A0116E
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