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Old 08-04-2007, 04:27 PM   #1
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new brakes now pedal going to floor help

Hi everyone i just finished putting front pads and rotors on my sisters 97 Wrangler v6 4X4 Manual.

And now the pedal goes to the floor when i drive it...i tried pumping it up and it will stay stiff then when i drive and start to brake the pedal goes to the floor.

While doing the brakes i compressed the caliper like your suppose to do to fit the new pads in and when i did this i noticed that the brake fluid reservoir started to overflow and leak out when i compressed the calipers...im guessing that now because of this i have gotten some air into the lines.

Do i have to fully bleed the system to rid it of all the air or have i messed up the master cylinder some how?

thanks in advance

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Old 08-04-2007, 04:36 PM   #2
coilovers are damn flexy
 
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Did you blead the brakes????????????
Sorry, didn't read your whole post, yes, you need to bleed each wheel.

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Old 08-04-2007, 04:39 PM   #3
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ok thanks
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Old 08-04-2007, 05:03 PM   #4
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how do i blead the brake system? do i need special tools for that?
i did it only once on a UK MGB roadster from the 60s.

after installing my SS brake lines i´ll have to do it. what kind of brake fluid do i need? is DOT4 enough? or do i need DOT5.1?

i already have 2 gals of this one in my garage:


is that ok?
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Old 08-06-2007, 11:06 AM   #5
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[QUOTE=msp167;114499]Hi everyone i just finished putting front pads and rotors on my sisters 97 Wrangler v6 4X4 Manual.

And now the pedal goes to the floor when i drive it...i tried pumping it up and it will stay stiff then when i drive and start to brake the pedal goes to the floor.

While doing the brakes i compressed the caliper like your suppose to do to fit the new pads in and when i did this i noticed that the brake fluid reservoir started to overflow and leak out when i compressed the calipers...im guessing that now because of this i have gotten some air into the lines.

Do i have to fully bleed the system to rid it of all the air or have i messed up the master cylinder some how?

thanks in advance[/QUOTE

Can you still see fluid in the Master Cylinder? If so, you may only need to add fluid. If no, some air may have gotten into your system and it will need to be bled. Unless you allowed the m/c to go dry, it should still be good.

from what i've learned on wranglerforum you should be using DOT 3 brake fluid..
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Old 08-06-2007, 11:29 AM   #6
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DOT 3 Or better will be fine, 3 is the minimum to use 5 is actually overkill.
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Old 08-06-2007, 12:04 PM   #7
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Quote:
Originally Posted by nicolas-eric View Post
how do i blead the brake system? do i need special tools for that?
i did it only once on a UK MGB roadster from the 60s.

after installing my SS brake lines i´ll have to do it. what kind of brake fluid do i need? is DOT4 enough? or do i need DOT5.1?

i already have 2 gals of this one in my garage:


is that ok?
Just a wrench, small rubber tubing, and a bottle(like a 20oz) or a wrench and 2 people. Nothing special.
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Old 08-06-2007, 12:38 PM   #8
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I found it much easier with two people. Having the wife pushing the pedal while I was under watching for bubbles in the jar made it go very easily!
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Old 08-06-2007, 12:56 PM   #9
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And anything that spills just use water, DO NOT Get on any paint it'll eat it up fast. The water trick will help on paint but need to be pretty quick.
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Old 08-07-2007, 12:45 PM   #10
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I use a power brake bleeder by motive... it's not cheap but it makes bleeding brakes very simple. If you ever have to bleed brakes again you will want to have this tool.
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Old 08-07-2007, 02:31 PM   #11
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