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Unread 06-26-2011, 09:26 PM   #1
Mp5ben
Registered User
2001 WJ 
 
Join Date: Feb 2011
Location: San Antonio, Texas
Posts: 457
Losing brakes when Jeep's turned on

I was checking the Master Cylinder to see if it had enough fluid today, it did, so I popped the cover back on and started the jeep and the pedal immediately went straight to the floor with no resistance. Every time I turned it off, the pedal would return to normal. I tried this about 4 times and with the same results each time. I bled the brakes about a month or two ago and they were fine.
Any idea what happened?

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Unread 06-26-2011, 09:30 PM   #2
benullman
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1981 CJ7 
 
Join Date: May 2010
Location: mechanicsville, VA
Posts: 2,139
do you have a vacuum booster (im guessing yes)

you havent got all of the air out of the lines, or you need to adjust the linkage. But I would get a friend and re bleed them because it may have a small leak and air gotten in

Ben
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