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Help: Front Brakes


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Front brakes keep overheating on short journeys and seizing up. Just resting in hard shoulder and waiting for them to cool down, before returning home. Brakes have been bleed multiple times, no air and runs freely when jacked up and cold.

 

Any ideas?

 

As it can't even get 5 miles down the road before locking up. Slight burning smell from pads and discs are to hot.

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M/cylinder push rod not returning fully home so some pressure remains at pads & causes them to just & just drag.

 

Have you just re-newed pads ? Could be a slight ring of corrosion on piston preventing pad return

Edited by florin metal works
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Need to get home, jack front up and spin wheels to see if it's both or just one wheel.

 

Personally I believe it's both front wheels and piping is rock solid. Managed another mile and the front dipped and now stuck on slip road waiting for either the pressure to release or pass cool down before another mile....

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M/cylinder push rod not returning fully home so some pressure remains at pads & causes them to just & just drag.

 

Have you just re-newed pads ? Could be a slight ring of corrosion on piston preventing pad return

New pads, and rebuilt calipers, first trip out since bleeding brakes.

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Just got back home after 2 hrs 45 mins and 4 stops for brakes to cool down.

 

Just jacked her up and both front wheels are locked solid and brake pedal rock solid.

 

Faulty master cylinder?

 

No leaks anywhere, will get dinner, drink, recharge phone whilst waiting for them to cool down and then another strip down and rebuild of calipers if required..

 

But to be honest the pistons slid freely and the wheels spun freely after fitting. So completely baffled unless it's the master cylinder or pushrod.

 

Don't fancy driving to Stoneleigh in it, will take forever. Would be quicker driving to Cornwall :)

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Is it still running the twin master cylinders and balance bar that Dave fitted? Might be the balance bar not sitting quite right after bleeding as I remember it was a bit tight for space in that area and possible for the bar to get snagged

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