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Post by ossiebear on Nov 24, 2013 8:40:22 GMT 1
Had problems with front right calliper sticking on to the point that the disk was glowing red.
Have replaced calliper,disk and pads,bled it all back up but still seem to have the problem,any ideas,could it be the compensator,if so were to get one.
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Post by gainsb1 on Nov 24, 2013 12:57:23 GMT 1
Fairly common fault on lots of cars. Could well be that the piston/s are sticking.... pump them out and then "polish" them lightly with wire wool or fine wet & Dry. In two cases that I had, it was simply a tiny spec of surface "rust" that was causing the problem. Make sure you replace the dust seals if they are torn or missing.
Leigh (Area rep)
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Post by ossiebear on Nov 24, 2013 16:22:00 GMT 1
yeah,tried that first with no joy so replaced the calliper with a new one.
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Post by gainsb1 on Nov 24, 2013 21:17:17 GMT 1
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gster
forum Member
Posts: 11 
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Post by gster on Nov 28, 2013 23:24:48 GMT 1
Could well be a collapsed hose. What you could try if the calliper is difficult to push back loosen the bleed nipple and try pushing the calliper back then. If easy most likley hose
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Post by ossiebear on Dec 7, 2013 13:52:35 GMT 1
I have now replaced the flixi hoses and front callipers.Still getting the same problem,if I bleed the full system it releases the brakes but as soon as I take it on a test the problem comes back.It seem like the system is pressurising in some way.It seems to happen within a mile or so.
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Post by Al Ramone on Dec 7, 2013 19:15:19 GMT 1
could it be the servo coming and staying on? could try a test drive with it disconnected just to try it.
you'd just have to be careful driving without it as your braking will be reduced
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Post by ossiebear on Dec 8, 2013 9:26:29 GMT 1
Yep,have even tried that Al.Seems that the whole system is locking up and the foot pedal goes hard.Leave it to cool for ten minutes or so and you can go again until it locks again.Thought it was just one brake origionally but appears to be all round.
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Post by ossiebear on Dec 22, 2013 9:16:07 GMT 1
I have now replaced ,calipers,flexi hoses,master cylinder and disconnected the servo to test that,new pads and retainers,all nicely greased up etc...brakes still not releasing without cracking off the bleed nipples...really stumped now...help!!
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Post by Al Ramone on Dec 22, 2013 10:47:28 GMT 1
was there a pressure regulator in the system?
maybe you'll need to get a professional mechanic to check it over.
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Post by ossiebear on Dec 26, 2013 18:03:36 GMT 1
Looks like I am looking for a servo unit...just been trying a few things,found that when I take the master cylinder off of the servo the brakes are freed up,put it back on and apply the brakes and it starts to lock up again after a few applications.
Take the master cylinder away from the servo and it is fine again.Doesnt matter if the pipe is on the servo or not,the push pin doesn't go back all the way in so seems to be keeping pressure on the master cylinder.
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Post by antdat on Jan 6, 2014 19:09:43 GMT 1
that looks like Ed's old car
have you tried removing the servo and seeing if you can replicate it sticking out with the car?
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