Warning: On models with ABS, disconnect the battery before starting work to prevent air from entering the ABS module.
Examination
Models not equipped with automatic rear suspension height adjustment
The valve is installed on the rear axle and determines the degree of load on the rear wheels according to the height of the rear suspension (the arrow indicates the valve lever). If the valve is defective, it must be replaced. If necessary, adjust the valve as described in the installation.
Models with automatic rear suspension height adjustment
The valve is integrated into the rear suspension height adjustment system and determines the load on the rear wheels from the pressure in the adjustment system. The valve cannot be repaired or adjusted. If the valve is defective, it must be replaced.
Withdrawal
1. To reduce brake fluid loss, remove the brake fluid reservoir cap and seal the filler neck with plastic wrap.
2. Disconnect the spring from the valve lever, if necessary.
3. Mark the brake pipes and disconnect them from the valve.
4. Turn off fixing bolts and remove the valve.
Installation
Rear brake pressure control valve
- 1. Valve lever
- 2. Spring fixing bolt
- 3. Spring
1. Installation is carried out in the reverse order of removal.
2. On models not equipped with automatic rear suspension height adjustment, after bleeding the brake system, adjust the pressure control valve as follows. Raise the rear of the vehicle and place it on stands. Loosen the nut of the spring mounting bolt and insert a 7mm drill bit between the spring and the mount. Check that the valve lever is fully forward, then install the spring mounting bolt so that the spring does not sag, but does not tension the valve lever. Tighten the fixing bolt nut to the required torque and remove the drill.
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