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ST220 spongey brakes

831 Views 5 Replies 4 Participants Last post by  kicky1
The brakes are very spongy. So much so that it i press down the brake pedal, there is no back pressure to push against the pedal. Has anyone got any ideas what this could be?
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Air in the system, brake pads very low or maybe you have a leak somewhere, are you loosing brake fluid at all ??
I had new rear brake pads fitted a couple of months ago and dont seem to be losing brake fluid.
When was the fluid changed last? My brakes were rubbish, got new fluid and they're pin-sharp now.
Not loosing brake fluid, replaced rear pads and not loosing fluid?

with the engine off pump the brake pedal repeatedly the pedal should become very firm with little to no travel if it's it's not get your brakes bled as a first step if you cant get a brake pedal or the brake pedal wont pump up i would suggest you have a problem with your master cylinder.

if you have a good solid brake pedal after pummping the brakes with the engine off keep the pedal depresed and start the engine the brake pedal should drop away (showing servo assitance) but still firm up again about 1/2 way to the floor assuming all is well.

but as others have already said more than likely your brakes need a good bleeding to remove air bubbles from the system.
air in the system will compress leaving a very spongey brake pedal.....

hope this helps


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