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What should I do if the brake pedal goes low to the ground and sound of air?

My brake pedal is soft and noisy?

asked by bernard54 (9)

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Tags:  car repairs  diy

answers

The sound you hear is air in your line due to a leak or insufficient bleeding. Check for leaks, replace the brake fluid, and then bleed the system air.

6 votes

First you should not drive the car until you get the brakes repaired. Start with bleeding the brakes, if that doesn't work, replace the slave and/or master cylinder, and bleed again!

reply
posted by Kriket (1021)
6 votes

Don't drive it! Sounds like you might be low on brake fluid. Check brake fluid resevour for correct fluid level. If low you might have a bad brake line.

5 votes

Tonight I just noticed that my brakes LIGHTS and hazard lights weren't working. Other lights working. While pressing the brake pedal with the engine OFF, my pedal was hard solid. When I turned the engine ON the pedal depressed with a shiss sound.

reply
posted by ng15 (110)
4 votes

If the engine is off and you pump the brake pedal then the noise you hear is the brake servo unit equalising with atmospheric and this is completely normal....

3 votes

A low brake pedal that has to be pumped repeatedly to bring a vehicle to a stop may be due to a low fluid level, drum brakes that need adjustment or air in the lines. it usually has nothing to do with the condition of the brakes.

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posted by Gaur (7673)
3 votes

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