Upon replacing brakefluid resevoir front brakes.

E.K.RUBYNOT

MEMBER
1988 BMW 325I
205,000 MILES

Upon replacing brakefluid resevoir front brakes do not work. Rear Brakes are fine. All calipers front and rear bleed normally. I alternate braked fluid color between bleedings to asssure all bleed properly.

Tuesday, January 1st, 2013 AT 4:04 PM

7 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

You most likely have air in the system

why did you replace the resevior

Roy

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Tuesday, January 1st, 2013 AT 4:06 PM

E.K.RUBYNOT

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4 POSTS

Initially had right front caliper problem. I replace caliper and all was fine. Then decided replace left front caliper and brake pads front and rear and resevoir because of damaged seal.

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Tuesday, January 1st, 2013 AT 4:13 PM

ASEMASTER6371

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52,797 POSTS

You may have to have it pressure bled to get the pedal back again

Roy

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Tuesday, January 1st, 2013 AT 4:14 PM

E.K.RUBYNOT

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4 POSTS

Thanks, I use commercial pressure bleeder and have done it 4 or 5 times already. The brakes are ABS. I am concerned about air in master cylinder from when I changed resevoir Being toying with idea of new master cylinder if I cant bench bleed the one on vehicle

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Tuesday, January 1st, 2013 AT 4:22 PM

ASEMASTER6371

MECHANIC
52,797 POSTS

That may be the answer, if you pushed your old master to the floor bleeding it, the seals may have ripped from not being in the lower end of the cylinder bore

Roy