310S Red Seal Automotive Service Technician Exam

What is the purpose of the proportioning valve in a brake system?

To increase front brake pressure during panic stops To reduce hydraulic pressure to the rear brakes to prevent premature rear wheel lockup during braking To balance pressure between the left and right brakes To maintain residual pressure in the brake lines

Correct Answer:

To reduce hydraulic pressure to the rear brakes to prevent premature rear wheel lockup during braking

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