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Re: one person brake bleeders
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Subject: Re: one person brake bleeders
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From: "Rick Kjeldsen" <fcmk@domain.elided>
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Date: Fri, 02 Dec 1994 11:46:05 -0500
>> I bought a cheaper version of the same bleeder (same manufacturer)
> from IAP (italian parts place). It works but I was unable to
> get a seal between the *vacuum device and the bleeder nipple* that
>...
>
>Tha actual problem here is the leakage of air around the bleeder nipple. In
>every case I've tried (BMWs and Volvos), the treads are loose enough that air
>gets sucked right around the bleeder nipple. I even tried putting teflon tape
>on the threads with no beneficial effect!
No need to give up on the vacuum unit. From the FAQ:
>A couple of tips to help avoid this:
>First use the pointy tool that goes inside the nipple hole, rather
>than the one that is supposed to snap over it. That one never snapps
>tight enough, so you get bubbles.
>
>Second, before you open (unscrew) the nipple, put a drop of oil on
>the threads. Works like a charm in stopping the air. I've been doing
>it for years with no evidence of the oil contaminating the brake
>fluid, but just in case, I make sure to keep vacuum preasure applied
>whenever the valve is open, so that any contamination will be
>immediatly sucked out. And, of course, wipe off the oil when you are
>done so it doesn't attract dirt or get on the rotors/pads.