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Old 7th March 2021, 12:03 PM
ainarssems ainarssems is offline
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Join Date: Aug 2010
Location: Rushden, Northants
Posts: 3,588
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again because i'm a tart and i like peace of mind i always like to sweep the master cylinder as i do the final bleed, this needs an assistant and she's not home until tomorrow.... so the final bleed will wait for her....
I am quite the opposite, I avoid full sweep, just do the pressure bleed. It seems lot of cars don't get regular brake fluid changes so the moisture in fluid causes either corrosion or crud build-up in the normally not swept area of master cylinder and when you do bleeding pressing brake cylinder all the way it either scratches the seals or picks up debris and you end up with leaking master cylinder seals or sticking cylinder that does not fully return.
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2006 A8 Sport 4.2TDI, 2000 A6 2.5TDI quattro Sport Avant

No longer have 1997 S8, reached end of life with gearbox failure
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