Table of contents: Removal 🠇 Installation 🠇
Note: Before you begin, read the brake fluid hazard warning at the beginning of this manual paragraph 2.
Note: The rear brake pressure regulator is not used on later models with ABS.
Removal
1. Place wheel chocks under the front wheels, raise the rear of the vehicle and place secure supports underneath it (see "Lifting and installing the car on supports"). Remove the right rear wheel.
2. To minimize brake fluid leakage, first loosen the brake fluid reservoir cap and then tighten it again, placing a piece of plastic underneath to ensure a tight seal.
3. Disconnect the control valve actuator spring from the bracket on the rear suspension.
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4. Wipe clean the area around the brake line fittings on the valve and place an absorbent cloth under the fittings to collect any leaking fluid.
5. Loosen the union nuts and carefully remove the brake lines from the pressure regulator. Cap the ends of the lines and the regulator ports to minimize brake fluid leakage and prevent dirt from entering the system.
6. Remove the bolt securing the valve to the support bracket and remove the assembly from under the vehicle.
Installation
7. Installation is performed in the reverse order of removal. Tighten the brake line union nuts securely. Finally, bleed the entire hydraulic system as described in paragraph 2. If a new valve has been installed or the adjusting nuts on the valve actuator rod have been disturbed, contact a Peugeot/Citroen dealer to have the pressure regulator adjusted.