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Troubleshoot Brake Booster

Vacuum Failure

When the engine of your vehicle accelerates, the vehicle shouldn’t have the vacuum failure. But if this happens, you may need to check the check value and get it replaced if it’s the cause of the problem. It can be found inside the inlet fitting. Once replaced, if the issue is still there, you may want to replace the brake booster.

Locked-Up Brakes

You may want to use fresh brake fluid if your brakes don’t release properly. What happens is that hygroscopic brake liquid tends to absorb moisture. Moreover, an excessive amount of water in the fluid may lead to vapor lock. As a result, the wheels of your vehicle may have to bear more pressure.

Air Noise

You may hear the air noise from under the dash of your vehicle. According to experts, this is not an issue. The sound is generated when you apply the brakes and the air gets into the filter of the booster. You can reduce the noise easily. All you need to do is move around the silencer.

Brake Pedal Won’t Return

If the brake pedal won’t go back after you have released it, you can troubleshoot it. You may have a faulty brake booster spring. According to experts, if your vehicle has a broken spring, the brake light may stay on even if you have released the pedal. Aside from this, the broken spring may cause overheating issues as well.