Braking system what next

Asked by casey2364 Jun 29, 2020 at 02:10 PM about the 2007 Hyundai Veracruz GLS AWD

Question type: Maintenance & Repair

So I had my rear brakes and rotors
replaced and a brake fluid flush then
drove for about 30 days then was
hearing a grinding noise coming from
rear brakes returned to shop, I was
told rear caliper had seized and
needed to be replaced, on the way
home brakes felt soft then had to
pump them , called shop I was furious
towed back , next day they said
master cylinder was bad replaced
went to pick up again brakes still soft
what the hell im at a loss

1 Answer

315

it sounds like your power booster. Sit in your car and pump your brake pedal about 10 times with the key off and hold the brake pedal it should be stiff at this point. with you still hold the brake pedal down start your car. the brake pedal should drop about just a little bit but should stiff and should even come up just a little bit. if the pedal gets stiff at first then drops to the floor after you start the car then your brake booster is bad. if it doesn't get stiff you might have a leak or the master Cylinder they put in is bad.

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