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Brake Proportioning/Combination Valve: Service and Repair






REMOVAL
1. The Proportioning And Bypass (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 (1) the pipes to prevent the loss of fluid or the entrance of dirt.
3. Remove bolt (3).
4. Remove P & B valve (2).

INSTALLATION
1. Install P & B valve (2).
2. Install bolt (3) and tighten the bolt to the specified torque.
Torque: 13 Nm (113 inch lbs.)
3. Install hydraulic pipes (1) and tighten the bolt to the specified torque.
Torque: 16 Nm (12 ft. lbs.)
4. After installing the brake pipes, bleed the brakes.