Question

After replacing a vacuum booster, the brakes lock up on a road test. Technician A says there is air trapped inside the brake lines. Technician B says the power booster pushrod needs adjustment. Who is correct?

Answer 1

Answer:

Technician B

Explanation:

The brakes can lockup due to the following reasons

1) Overheating break systems

2) Use of wrong brake fluid

3) Broken or damaged drum brake backing plates, rotors, or calipers

4) A defective ABS part, or a defective parking mechanism or proportioning valve

5) Brake wheel cylinders, worn off

6) Misaligned power brake booster component