Register now to get rid of these ads!

Need brake help

Discussion in 'The Hokey Ass Message Board' started by thegreat48, Nov 3, 2012.

  1. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    So I replaced my master cylinder, wheel cylinders, all the shoes and had the rotors turned on my 48' dodge deluxe and still the brake pedal gets hard as a rock after driving it a bit and the brakes stay engaged eventually popping a wheel cylinder. If anybody has any ideas to what the problem is or how I can fix it I would greatly appreciate it.
     
  2. kennkat
    Joined: Aug 25, 2011
    Posts: 1,385

    kennkat
    Member

    The master cylinder pushrod is TOO LONG. Shorten it so it is NOT tight in the master cylinder....
     
  3. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    I'll try that.thx
     
  4. Brake pedal is not returning far enough to allow pressure to be relived, in to the reservoir. There is a bleed hole in the piston, when retracted far enough bleeds of line pressure.

    Is there free play in the pedal when brakes are stuck on ?
     
  5. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    After i bleed the brakes the function properly for a bit then the pedal slowly gets harder.as the pedal gets harder the brakes start staying applied
     
  6. JohnEvans
    Joined: Apr 13, 2008
    Posts: 4,883

    JohnEvans
    Member
    from Phoenix AZ

    As said to long adjustment on the MC pushrod,also you NEED a return spring on the brake pedal. Do not rely on the spring inside the MC to return the pedal. Just about has to be one or the other here.
     
  7. Fenders
    Joined: Sep 8, 2007
    Posts: 3,921

    Fenders
    Member

    Shoes? rotors?
    You have disc front, drum rear?

    Just trying to understand your set-up to grasp your problem...
     
  8. rustyangels
    Joined: Sep 28, 2010
    Posts: 182

    rustyangels
    Member

    Stock brake system?
    How old are the 3 brake hoses? They can deteriorate internally acting like a check valve...Brake lines routed at least 3-4" away from exhaust...
     
  9. iamdiffrnt
    Joined: Apr 15, 2010
    Posts: 41

    iamdiffrnt
    Member

    I agree with rustyangels, JohnEvans, and Kennkat, Fluid not returning to the Master Cylinder. Follow their suggestions.
     
    Last edited: Nov 3, 2012
  10. No matter what ! Refer, back two post's #2 and #4 and #6.

    No BS, I had the same thing happen to me on the Divco.

    Easy fix as I made my push rod adjustable.
     
  11. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    Sorry i meant drums
     
  12. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    The 3 rubber hoses ave been replaces.still has factory metal lines
     
  13. Nonstop
    Joined: Jun 18, 2012
    Posts: 176

    Nonstop
    Member
    from CA

    There should be some adjustment on the pushrod. Try shortening it a little. When the pedal gets hard, is it after pumping or does it get hard on its own?
     
  14. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

  15. thegreat48
    Joined: Aug 5, 2011
    Posts: 26

    thegreat48
    Member
    from phoenix

    Thx for all the help.i adjusted the master cylinder push rod and that worked
     

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.