Issue with my FD's Brakes. Help please
#1
Issue with my FD's Brakes. Help please
Got a recent problem with my brakes and I hope someone can help. So my rear brakes begun to bind lately becoming hot and smelly. This has happened in the past and required removal of the rear pistons and a through clean. I did this again this time and the pistons were loosened up. However, the brakes begun to bind again after pressing the brake pedal and I soon figured out that it is not the pistons being tight in the calipers anymore but the hydraulic pressure in the brake lines not being relived when releasing the pedal. If I open the rear bleed valve the wheel frees up immediately Does this indicates a problem in the master cylinder. Could it be a blockage in the relief port in the Master Cylinder. Is there anyone with experience on this.
#2
Got a recent problem with my brakes and I hope someone can help. So my rear brakes begun to bind lately becoming hot and smelly. This has happened in the past and required removal of the rear pistons and a through clean. I did this again this time and the pistons were loosened up. However, the brakes begun to bind again after pressing the brake pedal and I soon figured out that it is not the pistons being tight in the calipers anymore but the hydraulic pressure in the brake lines not being relived when releasing the pedal. If I open the rear bleed valve the wheel frees up immediately Does this indicates a problem in the master cylinder. Could it be a blockage in the relief port in the Master Cylinder. Is there anyone with experience on this.
#6
Urban Combat Vet
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Similar issue on another car of mine. The inner lining of the hose failed and effectively created a check-valve. Fluid could only move one direction.
That was on an antique car and the line was just really old. But it’s also a reason you don’t want to otherwise stress the lines and support the calipers during brake work.
That was on an antique car and the line was just really old. But it’s also a reason you don’t want to otherwise stress the lines and support the calipers during brake work.
Last edited by Sgtblue; 12-27-19 at 10:08 AM.
#7
Similar issue on another car of mine. The inner lining of the hose failed and effectively created a check-valve. Fluid could only move one direction.
That was on an antique car and the line was just really old. But it’s also a reason you don’t want to otherwise stress the lines and support the calipers during brake work.
That was on an antique car and the line was just really old. But it’s also a reason you don’t want to otherwise stress the lines and support the calipers during brake work.
Any other suggestions to Isolate this problem of the lines remaining pressurized even after the pedal is released?
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#12
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#15
Update: It turns out I did have the L & G pins reversed. On both wheels. I also went ahead a full bleed on the system flushing out all the old fluid. It is not maintaining hydraulic pressure anymore with the pedal released. However, I have only tried it with the motor off(no booster assist) so far. I'll see what happens with a full test. If the problem persists, I suppose the master cylinder will have to be removed.
#19
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#20
Last edited by jetlude; 01-03-20 at 01:46 PM.
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