jimmy879
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Everything posted by jimmy879
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ok dave im back again i checked the master cylinder by blocking the feed lines at the abs, then tried the pedal and it was solid so it cannot be the master cylinder. i notice when i brake that front right caliper makes a creaking noise which i never noticed before so il try it next
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Ok so just to be sure il start from the beginning, So up until i changed my brake pads all around, brake pedel were perfect. I changed my pads and couldnt get a pedal. i bled them 5or 6 times atleast and still couldnt get a pedel. i used the computer to activate the abs pump and still no air came out. i pulled the non return valve off the vaccum line and it worked as it should and the vaccum line is putting up 10psi. yesterday i thought to myself what if its a faulty caliper so i squeezed the rubber hose on the front two calipers and it made the pedel slightly better but still not 100% so i tried the back two and same results
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ok so first thing i done was checked the non return valve by blowing into bothe ends as expected one end let air through and the other didnt. then i bled the brakes with the computer by activeating the abs pump and again there was no air in the system. i ran a pressure test on the vaccum line and got 10psi and im also getting 100bar on the brake pressure
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i will try your suggestions and get back to you tomorrow. when bleeding the brakes i had car switched off and had a second person push th pedal while i loosened the nipple. i then put a pressure bottle on top of the resivwar and set pressure for 20psi and still no air came out. also tried sucking the air out from bottom but no use. non of these methods worked
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Hello everyone i recently replaced all the brake pads and bled out the old oil on my 2004 730d and now i have a spongey pedel that sinks in to the floor. does anyone know what it could be?
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DISCLAIMER: Bimmerownersclub.com is an independent BMW car forum for owners of BMW vehicles. The club is not part of BMW nor affiliated with or endorsed by the offical BMW AG in any way. The material contained in the forums is submitted by the general public, and is not endorsed by Bimmer Owners Club, BMW AG, or Bayerische Motoren Werke AG. The official website for BMW AG can be found at http://www.bmw.co.uk