Isuzu Rodeo UE. Manual — part 113
5C–13
POWER–ASSISTED BRAKE SYSTEM
Rear Axle Brake Hose
Rear Axle Brake Hose and Associated
Parts
352RW002
Legend
(1) Brake Pipe
(2) Clip
(3) Bolt
(4) Brake Pipe
(5) Hose
Removal
1. Raise the vehicle and support it with suitable safety
stands.
2. Remove wheel and tire assembly.
3. Clean dirt, grease, and other foreign material off the
hose fittings at both ends.
4. Disconnect brake pipe.
5. Remove clip.
6. Remove brake pipe.
7. Remove bolt.
8. Remove hose.
Installation
To install, follow the removal steps in the reverse order,
noting the following points.
1. Tighten the brake pipes to the specified torque
Torque: 16 N·m (12 lb ft)
2. Tighten the bolt to the specified torque.
Torque: 15 N·m (11 lb ft)
After installing the brake hoses, bleed the brakes as
described in this section.
5C–14 POWER–ASSISTED BRAKE SYSTEM
Brake Pipe
Removal
1. Raise the vehicle and support it with suitable safety
stands.
2. Remove wheel and tire assembly as necessary.
3. Clean dirt, grease, and other foreign material off the
pipe fittings at both ends.
4. Remove brake pipe (1).
330RW011
5. Remove plastic clip (2).
330RW002
Installation
To install, follow the removal steps in the reverse order,
noting the following points.
1. Tighten the brake pipes to the specified torque.
Master cylinder and P&B valve sides
Torque: 12 N·m (104 lb in)
Others
Torque: 16 N·m (12 lb ft)
After installing the brake pipes, bleed the brakes as
described in this section.
5C–15
POWER–ASSISTED BRAKE SYSTEM
P & B (Proportioning and Bypass) Valve
P & B (Proportioning and Bypass)
Valve Sectional View
350RW014
Legend
(1) Master Cylinder (Secondary)
(2) Master Cylinder (Primary)
(3) Rear Brake
(4) Front Brake
The P&B valve contains two sections, each serving a
different function.
The proportioning section of the P&B valve proportions
outlet pressure to the rear brakes after a predetermined
rear input pressure has been reached. This is done to
prevent rear wheel lock up on the vehicles with light rear
wheel loads. The valve has a by–pass feature which
assures full system pressure to the rear brakes in the
event of front brake system malfunction. Also full front
pressure is retained in the event of rear brake
malfunction.
The P&B valve is not repairable and must be replaced as
complete assembly.
Removal
1. The P&B valve is not repairable and must be replaced
as a complete assembly. Care must be taken to
prevent brake fluid from contacting any painted
surface.
2. Remove hydraulic pipes (1) and plug the pipes (1) to
prevent the loss of fluid or the entrance of dirt.
3. Remove bolt (3).
4. Remove P&B valve (2).
350RW026
Installation
1. Install P&B valve (2).
2. Install bolt (3) and tighten the bolt to the specified
torque.
Torque: 22 N·m (16 lb ft)
3. Install hydraulic pipes (1) and tighten the bolt to the
specified torque.
Torque: 12 N·m (104 lb in)
4. After installing the brake pipes, bleed the brakes as
refer to Bleeding Brake Hydraulic System in this
section.
5C–16 POWER–ASSISTED BRAKE SYSTEM
Main Data and Specifications
Torque Specifications
E05RW014
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