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dramey, ASE Certified Technician
Category: Volvo
Satisfied Customers: 669
Experience:  have worked on volvo's for 4 years and am a ase master mechanic. current shop foreman
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I press down on my brake pedal, i hear air, could it be the brake line

Customer Question

when i press down on my brake pedal, i hear air, could it be the brake line under the car?
Submitted: 7 years ago.
Category: Volvo
Expert:  dramey replied 7 years ago.

this, if you are hearing air when applying the brakes and your brakes work ok. this is caused by a faulty seal in the brake booster. this can be tested very easy there is vacuum from the engine that goes into the brake booster. you can shut the car off and then apply the brakes and if you do not hear the air noise than the brake booster is bad and should be replaced. sounds like it is the brake booster though