Question about 2001 Renault Sportwagon
The brake system is a duel system if you are loosing complete brake failure that points to the master cyl. but a faulty servo can damage the seals in the master cyl.if the diaphram is leaking. pull one of the old master cylinders see if the seals have been partially been turned inside/out if its the front brakes full of air sounds like the primary circuit master cyl piston/seal closest to the servo if it was me i would change that servo
Posted on Apr 27, 2017
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Posted on Jan 02, 2017
A perssure bleeder is the best way to bleed the brakes. You can't properly just bleed one or two lines. You must start with the left rear, then right rear, then front right and finally front left. Any other order will just push a bubble around.
Posted on Sep 28, 2009
Try pumping your brake pedal quickly at least 10 times, hold it to floor, get someone to open bleed nipple furthest from master cylinder then close again, let pedal up then repeat. Try loosening a pipe that leaves master cylinder, pump bake a few times to prime it, see if fluid comes out, the cylinder may be airlocked.
Posted on Sep 30, 2009
I think your saying you have a spongy pedal. have the brake system checked for leaks ( externally as well as internally eg master cylinder) and wear. If a-ok then have them bleed the system.
Now if your saying there is a problem with pedal travel
that has to do with pedal rod adjustment( which is only adjusted after replacing a master cylinder or booster)
Posted on Apr 14, 2010
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