Question about 1998 Audi A4

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Bleeding brakes I have just had the rear caliper off the passenger side rear and put new seals in then new brake pads i have now tried to bleed that wheel before putting new pads in the outherside i have opened the bleed nipple which is new and pressed the peddle down but there is no fluid comming out i have tried pumping the peddle bur there is no pressure

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Remove the bleed nipple and make sure its clean and not blocked.check master cylinder is full with clean fluid of the correct type ,min req j1704 now with some help as this is a mechanics old trick get someone in the drivers seat and get them to push the pedal down when they shout down put finger over nipple and say UP after they say up you say down and remove finger till they say down then cover nipple again and say up ,i know it sounds daft but trust me after about ten pumps you shoud start to get some pressure

Posted on Nov 06, 2008

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Check to see if this car has a brake equilisation valve in the line somewhere, as they normaly stick when there has been a fluid loss at the rear of the vehicle. this brake presure protection valve shuts off the fluid coming to the rear brake after there is no resistance in the rear line to keep from loosing all brakes entirely.

Posted on Nov 06, 2008


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