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Help w master cyl bleeding w mighty vac

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Old 10-06-2009, 05:05 PM
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Default Help w master cyl bleeding w mighty vac

Got a new tick master cylnder installed. I had some one pump the pedal 3-5 times hold then I crack the bleeder on the slave did that about 10 times. Now I am using a mighty vac tool at the fluid resevrar and air keeps comming out. I have about 15hg on it. How long does this usualy take seems like it just keeps comming. Could I have a leak some place if so where? The car drives ok under normal conditions right now.
Old 10-06-2009, 05:23 PM
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Try not to put more than 10hg/in. Mine won't hold vacuum above that and air bubbles seem to creep in. It'll hold 10hg/in all night though so I know its not leaking.
Old 10-06-2009, 06:55 PM
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Well dont buy a mighty vac too from harbor freight for $20 it broke all ready. Think I got most of the air out but some still comming. Any more thoughts
Old 10-06-2009, 11:18 PM
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If it drives ok, then I wouldn't worry too much about it. It's when you can pull air, doesn't go into gear or has clutch drag then I'd be more worried. I freaked out since I could pull air at 15 in/hg unlike my stocker which was solid.
Old 10-07-2009, 11:41 AM
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I just want it to be right before I spend my $25 and friday evening at the track.
Old 10-07-2009, 11:57 AM
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If you are really concerned, find a shop that has a pressure bleeder.



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