Operation CHARM: Car repair manuals for everyone.

Brakes and Traction Control: Adjustments

Brake Load Sensor Proportioning Valve Adjustment

WARNING: The brake load sensor proportioning valve adjustment must be carried out with the vehicle in the correct ride height condition. Failure to follow this instruction may result in personal injury.

NOTE: The vehicle should be in an unladen condition.

NOTE: The brake load sensor proportioning valve adjustment should be carried out when the vehicle weight is on the road wheels.





1. WARNING: The additional weight must be positioned centrally over the rear axle. Failure to follow this instruction may result in personal injury.

NOTE: Use additional weight to set the vehicle to the correct ride height.

Using additional weight, set the vehicle to the correct ride height.





2. Loosen the brake load sensor proportioning valve lever retaining nut and valve spring setting bar screw.
1 Loosen the nut.
2 Loosen the screw.





3. WARNING: Incorrect adjustment of the brake load sensor proportioning valve spring setting bar will result in inefficient braking. The brake load sensor proportioning valve lever must be set in the correct position. Failure to follow this instruction may result in personal injury.

NOTE: Position the brake load sensor proportioning valve lever on the stabilizer bar so that the valve spring setting bar is central in relation to the setting bar screw.

Set the brake load sensor proportioning valve lever.

1 Position the lever.
2 Tighten the retaining nut.





4. WARNING: Incorrect adjustment of the brake load sensor proportioning valve spring setting bar will results in inefficient braking. The brake load sensor proportioning valve spring setting bar must be set in the correct position. Failure to follow the instruction may result in personal injury.

NOTE: Measure the dimension between the lower end brake load sensor proportioning valve spring hook and the groove on the valve spring setting bar.

Set the brake load sensor proportioning valve spring setting bar to the correct position.





5. WARNING: Incorrect adjustment of the brake load sensor proportioning valve spring setting bar will result in inefficient braking. The brake load sensor proportioning valve spring setting bar must be set in the correct position. Failure to follow this instruction may result in personal injury.

CAUTION: While tightening the brake load sensor proportioning valve spring setting bar screw, make sure that the setting bar does not move.

Tighten the brake load sensor proportioning valve spring setting bar screw.
6. Remove the additional weight if necessary.