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95 GMC BRAKES!

Tiny
CHEECHIN
  • MEMBER
  • 1995 GMC TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 18,100,000 MILES
I HAVE THE SAME PROBLEM WITH EVERY THING CHANGED IN MY BRAKE SYSTEM AND THE PEDAL IS VERRY SOFT IT PUMPS UP HARD WILE THE TRUCK IS NOT RUNNING. WHEN I START THE TRUCK IT GOES TO THE FLOOR. I HAVE A 95 GMC SERRIA. I HAVE CHANGED ALL THE COMPONENTS AND STILL SAME PROBLEM. I READ ON SOME ONE ELSES THAT IT MIGHT BE THE PROPORTIONG VALVE NEEDS TO BE BLEAD BUT I DONT SEE A BLEEDER
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Wednesday, May 4th, 2011 AT 1:13 PM

8 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
By everything I'm assuming you replaced the calipers. Go out and look at the calipers and tell me if the bleeder screw is above or below the line fitting.
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Wednesday, May 4th, 2011 AT 1:50 PM
Tiny
CHEECHIN
  • MEMBER
  • 5 POSTS
IT IS ON TOP OF THE CALIPER THE LINE COMES IN JUST BELOW IT
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Wednesday, May 4th, 2011 AT 2:30 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
OK, just making sure you had the calipers on the correct side of the truck. I'm afraid what you need is a professional scan tool. The ABS system has to be bled internally and that is done electronically using the scan tool.
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Wednesday, May 4th, 2011 AT 2:36 PM
Tiny
CHEECHIN
  • MEMBER
  • 5 POSTS
REALY THAT SUCKS ! THE ONLY THING I HAVENT CANGED IS THE BOOSTER. DO YOU THINK I SOULD? ITS NOT THE ORIGANAL IT HAS BEEN REPLACED. LIKE I SAID I HAVE BLEED THEM OUT GREAT PRESSURE IN THE PEDAL WHEN THE TRUCK IS OFF. WHEN I START IT IT GOES RIGHT TO THE FLOOR
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Wednesday, May 4th, 2011 AT 2:42 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Nothing is going to get you a brake pedal besides bleeding. I have been there many times and spent entire days and gallons of fluid trying to do it without the scanner and it's pretty much futile.
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Wednesday, May 4th, 2011 AT 2:45 PM
Tiny
CHEECHIN
  • MEMBER
  • 5 POSTS
SO I WILL GET IT DONE. I JUST DONT WANT TO SPEND ANY MORE MONEY ON IT IF I DONT HAVE TO SO IF YOU SAY GET IT SCANED I WILL THANKS FOR THE HELP
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Wednesday, May 4th, 2011 AT 2:50 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I don't mean go to Autozone for a free code reading. You need a professional, interactive scan tool that has brake bleeding software in it. There is a brake bleed sequence it will go through while your holding pressure down on the brake pedal.
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Wednesday, May 4th, 2011 AT 3:07 PM
Tiny
CHEECHIN
  • MEMBER
  • 5 POSTS
GOT YAH I WILL ! I WOULDNT GO TO ANY ONE THIS IS MY BABY!
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Wednesday, May 4th, 2011 AT 3:09 PM

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