ElephantPrint Posted September 8, 2013 Report Share Posted September 8, 2013 I have a problem with my brakes they feel really spongy loose, my brake master cylinder is new so is my brake booster. I checked all brake cylinders and all are fine none are leaking. Could my proportional valve be bad? Quote Link to comment
filthy forever Posted September 8, 2013 Report Share Posted September 8, 2013 maybe. when you replaced the MC did you bench bleed it first? . start with a good bleed at all wheels and go from there. Quote Link to comment
ElephantPrint Posted September 9, 2013 Author Report Share Posted September 9, 2013 I bled the master cylinder first then all the wheels and still is spongy plus my brake light stays on, ive ran out of ideas Quote Link to comment
datzenmike Posted September 9, 2013 Report Share Posted September 9, 2013 Adjust the rear drums. Too much travel eats up pedal travel to move them. I have a problem with my brakes they feel really spongy loose, my brake master cylinder is new so is my brake booster. I checked all brake cylinders and all are fine none are leaking. Could my proportional valve be bad? . I don't think Nissan uses a proportioning valve. Instead the size of the rear cylinders is engineered/designed larger or smaller to compliment the master and bias braking to the front. In other words when the brakes were tried and the rears locked up too soon they simply put smaller wheel cylinders on to reduce braking effectiveness. Quote Link to comment
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