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04-26-2010, 03:43 PM
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#1 | |
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AF Newbie
 Join Date: Oct 2009
Location: houston, Texas
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97 Chevy Blazer/Brake Booster
I have a 97 blazer, I just put in some new pads after that I bleed the brakes. I started from passanger back then drive back then passanger front then driver front. I also adjusted the drums. The problem is that when the car is off the pedal is hard ans sturdy but when I turn it on the pedal goes soft and when I press on it, it goes to the floor. When I drive it I can't brake as good as I used too. I have been pointed towards a bad brake booster but im not sure. If anyone could help me I would appreciated.
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| The Following User Says Thank You to ezh10111 For This Useful Post: |
godzeye (11-10-2012)
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04-27-2010, 12:23 PM
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#2 | ||
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AF - Advisor
 
Join Date: Sep 2005
Location: New London, Missouri
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Re: 97 Chevy Blazer/Brake Booster
Quote:
__________________
Remember proper testing gives us the answer to many problems. MT |
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| The Following User Says Thank You to MT-2500 For This Useful Post: |
godzeye (11-10-2012)
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11-10-2012, 08:42 PM
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#3 | |
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AF Newbie
Join Date: Nov 2008
Location: shirley, New York
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Re: 97 Chevy Blazer/Brake Booster
I have the same problem, on the same vehicle, from a replacing a brake line and YES it has full pedal until the engine is started!!
Do you think it is the whole booster (i see a bit of corrosion,,possibly some fluid may have leaked out of it there)? edit for update:: the abs had been disconnected,,it is not worth cost to repair or headache, but after the above problem i reconnected the abs, started the car, and got pedal!! I got the idea by reading that the abs system may need to be bled using a scan tool and special tools to open valves etc..!! i am soo happy i had to share the information! Last edited by godzeye; 11-11-2012 at 09:15 AM. |
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11-19-2012, 11:59 AM
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#4 | |
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AF Regular
Join Date: Dec 2004
Location: New Bedford, Massachusetts
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Re: 97 Chevy Blazer/Brake Booster
EZH did you clearly check all the brake lines and brake line connections, caliper seals, and wheel cylinder seals? I'd do the basics first.
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12-22-2012, 08:46 PM
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#5 | |
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AF Newbie
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Location: baltimore, Maryland
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Re: 97 Chevy Blazer/Brake Booster
Had same problem- ABS needs to be bled with a scan tool. I eliminated the ABS unit, installed a proportioning valve from Speedway, and voila! Everything works as new-just without ABS. Don't forget the proportioning valve or you may swap ends in an emergency braking situation.
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