Isuzu Rodeo UE. Service manual — part 117
5C–29
POWER–ASSISTED BRAKE SYSTEM
Inspection and Repair
Visual Check
Make necessary parts replacement if cuts, nicks,
excessive wear, or other abnormal conditions are found
through inspection. Check the following parts:
f
Yoke clevis
f
Valve body guard
f
Silencer
f
Filter plate and seal assembly
Installation
1. Install plate and seal assembly.
2. Install retainer.
3. Install 2 gaskets and spacer.
4. Install filter.
5. Install silencer.
6. Install valve body guard.
7. Install retainer.
8. Install lock nut and yoke clevis and tighten to the
specified torque.
Torque: 20 N·m (15 lb ft)
9. Install vacuum booster, refer to “Vacuum Booster” in
this section.
10. Install master cylinder, refer to “Master Cylinder” in
this section and after installation, perform brake pedal
check and adjustment. Refer to “Brake Pedal” in this
section.
Vacuum Booster Overhaul
Vacuum Booster
The vacuum booster cannot be disassembled for repair.
Replace a defective vacuum booster with a new one.
5C–30 POWER–ASSISTED BRAKE SYSTEM
Main Data and Specifications
General Specifications
Vacuum booster diaphragm diameter (Front)
205 mm (8.07 in)
Vacuum booster diaphragm diameter (Rear)
230 mm (9.06 in)
Push rod stroke
More than 32.0 mm (1.26 in)
Plunger diameter
10.25 mm (0.40 in)
Push rod diameter
27.4 mm (1.08 in)
Torque Specifications
E05RW015
5C–31
POWER–ASSISTED BRAKE SYSTEM
Special Tools
ILLUSTRATION
TOOL NO.
TOOL NAME
J-39216
Push Rod Gauge
J-23738-A
Vacuum Pump
J-39241
Push Rod Support
5C–32 POWER–ASSISTED BRAKE SYSTEM
Front Disc Brake Pads
Front Disc Brake Pads Inspection
Check the outer pad by looking at each caliper from
above. Check the thickness on the inner pad by looking
down through the inspection hole in the top of the caliper.
Whenever the pad is worn to about the thickness of the
pad base, the pad should be removed for further
measurements. The pad should be replaced anytime the
pad thickness (1) is worn to within 1.00 mm (0.039 in) of
the pad itself.
The disc pads have a wear indicator that makes a noise
when the pad wears to where the replacement is required.
Minimum limit (1): 1.0 mm (0.039 in)
302RS002
Front Disc Brake Pads and Associated Parts
302RW003
Legend
(1) Lock Bolt
(2) Caliper Assembly
(3) Pad Assembly
(4) Clip
(5) Outer Side
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