brake problem - DodgeForum.com

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brake problem

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  #1  
Old 09-11-2017, 11:29 AM
Mike Moyer
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Default brake problem

I have a 99 ram 1500 4x4 with rear abs 360 automatic the brakes seem to work fine under regular stopping but when I have to stop fast and push the pedal hard and fast it is almost like you don't have any brakes I have almost hit the person in front of me a couple of times it has new brake lines hoses rear wheel cyl. pads everything is good anybody have any ideas what would cause this? thanks in advance for any help
 
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Old 09-11-2017, 04:15 PM
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How does the pedal feel when that happens?

Welcome to DF!
 
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Old 09-11-2017, 05:01 PM
Mike Moyer
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when you really have to come down on the pedal to make a fast stop the pedal feels like it is going to the floor and it will just barely stop you I have bled the brakes several times because I thought it had air in them tried sliding the wheels in gravel and in grass and nothing seems to help.
 
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Old 09-11-2017, 05:06 PM
Mike Moyer
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also no lights showing
 
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Old 09-11-2017, 07:56 PM
Torxhead
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Your rear brakes could need adjusting.
 
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Old 09-11-2017, 09:23 PM
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Disable the rear dump valve, (unplug it.) See if that solves the issue.
 
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Old Yesterday, 01:37 PM
Mike Moyer
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heyyou tried unplugging the dump valve today had no effect on it still like you don't have any brakes when you stomp on them.thanks.
 
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  #8  
Old Yesterday, 01:58 PM
99sportram
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If you stomp on it time after time does it begin to build pressure or continue to go straight to the floor?
 
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Old Yesterday, 02:07 PM
Mike Moyer
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doesn't build up any I have about 1/2 to 3/4 pedal normal driving but when you have to stop fast and stomp on pedal it goes almost to the floor and will barely stop you scary in traffic.
 
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  #10  
Old Yesterday, 02:28 PM
99sportram
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Sounds like a bad seal in the master cylinder to me, google the symptoms of a master cylinder seal leak and see if its similar.
 
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