Topic: brake problems

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  • mrkporky’s Profile Photo
    mrkporky
    #1
    Jan 10, 2010 at 12:14 am
    Lets see if anyone can help me with this problem. No one has been able to help so far....I have a 350.1986 chevy Camaro ..It had front discs back drums..I changed the rear to a 1987 disc setup..I have changed the booster & mastercylinder for disc,disc.I changed the porportional vavle I have a high lift cam so besides the engine vacuum I added a vacuum pump for the booster..when I am on a wet road I cant even lock the wheels up..It feels like manual brakes ,push as hard as u can & still NO brakes.
    scratchchin image weepy image

    My thought is to change the brake pads & calipers which are originals.But i really dont think this is the problem, But am lost... scratchchin image Any Help is appreciated.. Thank you ....Mark

     


  • 1BadSC’s Profile Photo
    1BadSC
    #2
    Jan 11, 2010 at 6:19 pm
    the front flex hoses have been know to cause a hard pedal the dont leak the hose collapses inside causing fluid to not pass through the hose

     


  • chumbrother’s Profile Photo
    chumbrother
    • Join Date: Feb 2, 2010 at 9:07 pm
    • Total posts: 290
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    #3
    Feb 4, 2010 at 6:08 pm
    do you have a check valve(one way vacum valve)in the hose or in the boosterm if so, check it, make sure its not backwards and that you can only blow thru it one way,and make sure you have strong engine vaume to the booster(which I am sure you do)....let me know,,,,mark aka. CB

     

    Same Bat time.....
    Same Bat channel.......

  • khale’s Profile Photo
    khale
    • Join Date: Sep 24, 2010 at 11:01 pm
    • Total posts: 32
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    #4
    Sep 29, 2010 at 12:28 am
    If you step on the brake pedal and it feels like it's going too far down before you start to slow, you might have the following problems:
    Low Brake Fluid Level
    Contaminated Brake Fluid
    Worn Brake Pads
    Bad Brake Power Boost Unit
    Something is Loose
    Worn or Broken
    Suspension Components
    Worn Brake Pads
    Brake Pads Vibrating
    Bad Wheel Cylinder
    Parking Brake Fails to Release
    Bad Brake Pads
    Bad Brake Disc
    Car Out of Alignment
    Worn Front Suspension
    Low Brake Fluid Level
    Contaminated Brake Fluid
    Worn Brake Pads
    Low Brake Fluid Level
    Air in the Brake Fluid
    Master Cylinder Bad
    Vacuum Problems
    Brake Line Obstruction

     


  • ozie’s Profile Photo
    ozie
    • Join Date: Sep 24, 2010 at 8:04 pm
    • Total posts: 20
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    #5
    Oct 7, 2010 at 12:50 am
    it could also be a bad brake caliper. at the first sign of damage calipers, have it replaced asap because this is what initiates the contact of the brake disc and pads for it to stop, making it the brake actuating part of the vehicle.
  • LEGIONNAIRE’s Profile Photo
    LEGIONNAIRE
    #6
    Oct 7, 2010 at 9:03 pm
    Sounds like you did every thing but did you check the proportioning valve? confused image idea image

     

    THE GOD'S OF HELL FIRE / AIR MOBILE!

  • khale’s Profile Photo
    khale
    • Join Date: Sep 24, 2010 at 11:01 pm
    • Total posts: 32
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    #7
    Nov 29, 2010 at 8:08 pm
    you did a great job on that analyzation. yup your right that it is the brakes. but i wonder if you can do that by yourself so i would recommend a source for your Car Repair where you can learn how to fix the brakes. goodluck.

     


  • Balboa777’s Profile Photo
    Balboa777
    #8
    Jul 15, 2011 at 10:52 pm
    I also have a major vacumme leak in my 80 firebird frome the carb to the block, sometimes i get brakes, sometimes not, also as a result of it, the car wants 2 die when in gear and i press on the gas under 3mph, gatta coast and i dont want 2 take it on the highway like that, but with the help of my dad, itll get fixed soon.

     

    2001 Dodge Durango
    1980 Pontiac Firebird
    1977 Chevrolet Custom Deluxe 20
    1962 Chevrolet Chevy II Nova

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