Losing brakes when Jeep's turned on - JeepForum.com

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post #1 of 2 Old 06-26-2011, 09:26 PM Thread Starter
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2005 WK 
Join Date: Feb 2011
Location: San Antonio
Posts: 1,087
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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post #2 of 2 Old 06-26-2011, 09:30 PM
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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


Originally Posted by Gregg79CJ7304 View Post
Great minds think alike, but so do serial killers......Thanks.
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brakes , cj7

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