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Brake drums/hub seperation

Discussion in 'Early CJ5 and CJ6 Tech' started by sasquatch, May 11, 2006.

  1. May 11, 2006
    sasquatch

    sasquatch I'm big in Japan.

    Kadena AB,...
    Joined:
    Dec 6, 2004
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    400
    Ok, it's not giving, and I am: How da heck do you get these things apart? Is this just a BFH job or am I missing something entirely???

    D27 front axle, 9" brakes...
     
  2. May 11, 2006
    mb82

    mb82 I feel great!

    Charlottesville Va
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    Mar 17, 2003
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    2,706
    Take the 3 screws out?
     
  3. May 11, 2006
    speedbuggy

    speedbuggy Looking for a Jeep now

    Living the Good...
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    Beat me to it
     
  4. May 11, 2006
    Thunderpig

    Thunderpig Member

    Parachute, Colorado
    Joined:
    Mar 28, 2006
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    259
    Are the brake pads too tight and holding the drums on? can you manually turn the axle?

    Do they move (sliding on/off) at all?

    Things I have had to do--
    1. disconnect brake line from the back of the plate.
    2. lightly (or a bit harder) tap on the drum with a hammer to loosen
    3. Ive used a screwdriver before to pry and tap them off . Mine has places on the outside of the drums (not sure what to call em) that I could get a regular screwdriver to hold.... and tap them off using a mallet.

    Got pics???
     
  5. May 11, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    Nov 6, 2002
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    4,275
    Most 9" brakes don't have the screws in them, the drum is BEHIND the hub.

    Try clamping the whole assembly in a big vise with an impact socket behind the head or the stud and gently heat the hub while you apply pressure to the end of the stud by tightening the vise. Be careful, and use haevy gloves because the stud will suddenly pop out and the whole mess will try to fall on your toes.

    Good luck Brian!
     
  6. May 11, 2006
    speedbuggy

    speedbuggy Looking for a Jeep now

    Living the Good...
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    Mine did
     
  7. May 11, 2006
    mb82

    mb82 I feel great!

    Charlottesville Va
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    X2 IIRC we could not get them out for nothing, so I got one of those flathead screwdriver attachments for your 1/2in breaker bar and they popped out immediatly
     
  8. May 11, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    Mine didn't.

    Neener neener.... :D
     
  9. May 11, 2006
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
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    Dec 22, 2002
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    4,422
    Fronts do.

    Never seen the drum behind the hub??
     
  10. May 11, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    My '2A had the drums behind the hub, with the studs swaged over to hold them together. Dad's M-38 has the drum in front of the hub, with the 3 screws. Sometimes you really have to look for the screws, because all the dirt, rust and crud will fill in the heads and they can be very hard to see.

    If the drum is in front of the hub, you prolly have the screws, if the hub is in front of the drum, you don't have screws.
     
  11. May 11, 2006
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
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    Flatefender thing I suspect!!
     
  12. May 11, 2006
    Dabblin

    Dabblin Barn fresh 67 cj5

    Joined:
    Jan 2, 2005
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    63
    Seems like some of this was covered a couple of days ago.

    I've seen 2 types of drum flange arangements.
    One uses bevel headed screws to secure to drum to the flange. With this type you remove the screws and tap the drum to free it from the hub.
    The other (maybe more common on the later D44 tapered axle) is a flange with long shouldered lug bolts. The shoulder protrudes through the flang and locks the drum in place either py being pressed on, or by being peened so as to spread the shoulder and capture the drum.
    If there are sloted screws on your drum spaced about even with the studs
    then by removing them you can probably free up the drum by some gentle taping with a hammer.
    The drums all seem to have the holes for the screws, so a careful cleaning around the lug bolts where they come through the drum may be needed to make sure whitch system is in play. If you have the forced fit type you will need a puller, pull the flange with the drum attached, then press the bolts out to free up the drum.
    With the front its pretty much the same. Only the hub/drum assembly is pulled by removing the 2 nuts, washers, bearings etc.

    The drums may be turned while still attached to the flange/hub I think.
    Edit/Delete Message
     
  13. May 11, 2006
    sasquatch

    sasquatch I'm big in Japan.

    Kadena AB,...
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    Dec 6, 2004
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    I'm gonna have to take pics... cuz I'm getting confused...

    I can say this, though, I do NOT have the screws.

    This is on the front. Trying to get the hubs removed because I need them, doing the 11" brake conversion. The drums are off, but I cannot seem to get the hub/lugs seperated from the drum itself.
     
  14. May 11, 2006
    Dugger

    Dugger 1966 Tux. Park

    Texas
    Joined:
    Mar 19, 2006
    Messages:
    14
    Do I understand what your talking about, mine didn't have screws. I soaked in oil for a week and attemptted to use a light weight puller I rented from Autozone, no luck. I finely gave up and took the whole thing to a Jeep shop in Ft. Worth (820 Jeep). He had the puller from way down south and a BFH. Three smashes, each getting harder and the drum pop off. You can buy these from JC Whitney, do a search and you can read my post from a month ago attempting this. Good luck. Doug
     
  15. May 11, 2006
    sasquatch

    sasquatch I'm big in Japan.

    Kadena AB,...
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    400
    The local NAPA lends tools, I'm gonna see if they've got what I need. But I'm still not entirely sure what I'm pulling and in which direction...
     
  16. May 11, 2006
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Sep 20, 2002
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    Swaged on there. If you're carefull a couple knocks with a hammer with the drum supported/hub suspended should pop 'em out of the drum and not the hub.
     
  17. May 12, 2006
    Dugger

    Dugger 1966 Tux. Park

    Texas
    Joined:
    Mar 19, 2006
    Messages:
    14
    I have a 66 also, I'lllook for your picutures. If I understand you correctly your attempting to remove the drums from the hubs or the drum and hub from the backing plate. I'm new to this but there are several folks here that can be of great help. I used my vise and pressed the lug bolts out to replace them. This help start the sepration of the drum from the hub. A mech told me to soak in marvels and drop on floor several times, should loosen, drop open end down, vibration I guess. I labored over this for over a week, the puller I rented was way to small, left it on and soaked for a week, The large puller and BFH the mech had is the only way to go. One of my reply's suggested taking to brake shop and let them replace pads or whatever, he noted how he smiled as he left the shop... Use a mask over your moth and nose, bad stuff on pads. Hope this is some help. Doug
     
  18. May 12, 2006
    captain cj

    captain cj Member

    Crystal Beach...
    Joined:
    Sep 27, 2005
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    331
    I had the swagged on studs I tryed with a bfh but I ended up grinding the studs off and then hammering the heads out with a drift. I was throwing out the drums so I wasnt worried about drum damage. Then I pressed in new studs.
     
  19. May 12, 2006
    Rampdog

    Rampdog knuckle buster

    Sandy, Oregon
    Joined:
    Mar 27, 2006
    Messages:
    105
    My '60 had screws on three of the four drums. Easy to find and get them out. But the number four, right front, apparently had been previously replaced and the lugs were binding it on. I pounded on it for a day, then a neighbor who was apparently tired of the noise came over. :mad: He grapped my shop hammer and pounded the drum off with several extremely heavy blows. It jumped off onto the floor with a crash, almost went out the door! But the damage was already done by the previous owner, who couldn't get it off either! It was severly worn and had deep gouges. Replacement time!:(
     
  20. May 12, 2006
    jcarson

    jcarson Member

    illinios
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    Sep 5, 2005
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    why do they need screws any how dont the lug nuts hold them down whith the wheel,just wondered cause i twisted most of mine off but i went to disc brakesso i didnt care,jared
     
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