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Brake Drum Issue

Discussion in 'Early CJ5 and CJ6 Tech' started by Jamco6000, Aug 18, 2013.

  1. Jamco6000

    Jamco6000 Member

    I just bought new drums front and back and neither are fitting right. The front is a Dana 27 the new drum does not fit over the shoes. I tried a set of shoes from KaiserWillys and a set from O'reilys. It seems they aren't centered as it fits over the bottom but not the top of the pad even with the star cranked down all the way.

    [​IMG]

    [​IMG]

    The rear is a different issue all together. The drum fits over the drum but it does not sit flush on the axle hub. The dust cover/wheel brake housing seems deeper than the front and the drum hits it. Any advice from the experts? Thanks guys, anything will help.

    [​IMG]

    [​IMG]


    Thanks again guys. Would love to get this thing rolling.
     
  2. 68BuickV6

    68BuickV6 Well-Known Member

    Front brake shoes might need to be arched. However, no one does that anymore.


    IIRC some grind the excess away.
     
    Last edited: Aug 18, 2013
  3. nickmil

    nickmil In mothballs.

    Take a close look and make sure the ends of the shoes are tight against the anchor stud on top. If not something is installed incorrectly or holding the shoes apart.


    Sent from my iPhone
     
  4. Jamco6000

    Jamco6000 Member

    so should i just cut my losses and do a disc brake conversion? Any ideas on the back? Are the front and rear break drums the same?
     
    Last edited by a moderator: Aug 19, 2013
  5. 68BuickV6

    68BuickV6 Well-Known Member

    Well if you're in the business of dumping money as fast as possible, sure.

    If not, just take sometime to double check like nickmil suggested.


    The brake drums should be the same size, as far as surface area goes. But I can't comment on interchangeability.
     
    Last edited: Aug 18, 2013
  6. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    " the new drum does not fit over the shoes. "

    Have you compressed the wheel cylinder pistons in far enough?
     
  7. deputyvaughn

    deputyvaughn Member

    Did you roll the adjusters back in?

    Scott
     
  8. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    I'm guessing the backing plates on the rear are not original.


    "Did you roll the adjusters back in?" His original post said the front star wheels are in all the way. It would seem something may be out of place or not seated correctly in the front assembly.
     
  9. JAlves

    JAlves Sponsor

    If you still have the old drums you could see if they fit. It might narrow down the troubleshooting.
     
  10. Jamco6000

    Jamco6000 Member

    I had my friend who is pretty familiar with drums look over it. He couldn't figure anything wrong I'll redo the front again and post results.

    The backing plate on the rear seems aftermarket. I have an extra 44 so I'll just swap the backing plates out.

    Thanks again for the help!
    Lance
     
  11. deputyvaughn

    deputyvaughn Member

    Did ya figure it out?

    Scott
     
  12. Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Make sure the anchor block is not up-side down. If wrong it will hold the shoes out too far at the top.
     
  13. Jamco6000

    Jamco6000 Member

    Not really. I'm going to take a picture of the block but I never took it off. Just took the hubs off so I'll take another swing at it this evening. It's got to be something simple. I'm swapping the rear axle so not concerned with the rears at this time.

    Sent from my C771 using Tapatalk 2
     
  14. In your first picture, it looks like your wheel cylinder might be pushing out a little too far....maybe loosen your bleeder & release pressure? nevermind...I looked too quick & see that your lines aren't even connected.
    How bout a pic or two without the drum & hub...something doesn't look right about your shoes.
     
    Last edited: Nov 18, 2013
  15. Jamco6000

    Jamco6000 Member

    Pictures of the set up. It's extremely close. Now I'm thinking this break kit isn't right. The purple springs are contacting the wheel cylinder. I'm still a newbie to this if you didn't already know...

    [​IMG]

    [​IMG]



    Sent from my C771 using Tapatalk 2
     
  16. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

  17. Jamco6000

    Jamco6000 Member

  18. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    "Short brake shoe goes towards front right?"

    Correct, because the rotation makes their action self-enhancing.

    Google around for a better price. $6.95 here for instance. http://midwestjeepwillys.com/938111.html
     
  19. Jamco6000

    Jamco6000 Member

    Thanks Pete. I just need to add you to my speed dial. Site says free shipping for +$80..... Challenge accepted


    Sent from my iPad using Tapatalk
     
  20. lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member