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reaper1_3

front brake seized

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just after abit of info guys......

 

my osfront brake keeps seizing on obviously causing things to get very warm and smelly!!

 

after checking it the grommet that covers the actual piston is split and i assume letting dirt in hence it seizing.....

 

can you replace this grommet/seal if so is VAG the best place to get it from?

 

also can i just remove the piston and replace the seal without having to bleed the whole system?

 

cheers :D

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You can replace the dust seal - it's a bit of a fiddle. Check that the bore of the caliper casting and the piston itself are not damaged or corroded and replace the main seal too, which comes in the repair kit obtainable from VAG at about £10 per side.

 

Blow the piston out with compressed air.

 

You shouldn't need to bleed the whole system, but I would advise you to check the caliper on the other side too for similar damage. It might be a good time to replace the flexible hoses as well.

 

Best wishes

 

RB

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