Brake Problems
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Senior User
Joined: Mar 2006
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Brake Problems
A few of my lines blew a few weeks ago. I put new lines, pads and rotors on the truck and now both the red brake light and the yellow abs light stay on all of the time. I have tried and tried to bleed the brakes even using a air powered bleeder, and No such luck. The brakes work but I have to push the petal way down for the brakes to work, and they arent anything too impressive. I do have a vacuum pump I could throw on there to see if that helps, but I dont know if that is the problem, but it will surely help.
Ideas/Thoughts?
Thanks
Ideas/Thoughts?
Thanks
Posting Guru
Joined: Nov 2003
Posts: 2,214
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From: THUNDER BAY
How did the back brakes look? did you bleed the back brakes as well as the front? the back drum brakes may need to be manually adjusted as well but it sounds like air still and for the abs light unhook your batteries for a bit and hook them back up that should get rid of the light .
Senior User
Joined: Mar 2008
Posts: 213
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From: Raleigh, NC
I would say bleed the brakes again manually. You don't need to use any type of suction device on them. Just have someone pump the peddle 2-3 times and hold. Then you crack the bleeder until it stops bleeding, then tighten and do again until all the air is out. I would bleed all the way around to be sure that air has not gotten back into the rear lines.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
Another remote possibility is, if your truck has cruise control, there is an electrical sending unit on the master cylinder. It is possible that the sending unit is allowing air into the master cylinder when you let up on the pedal. A friend had this problem with a truck, and it took him weeks to finally figure it out. It wouldn't leak fluid, but it would suck air when letting up on the pedal.
I would bleed the brakes again first.
The symptom my friend had was, there was constant air bubbles in the lines when bleeding the brakes.
I would bleed the brakes again first.
The symptom my friend had was, there was constant air bubbles in the lines when bleeding the brakes.
