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Stuck Drum

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Old Apr 17, 2009 | 11:16 PM
  #1  
novafirebirdguy's Avatar
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Joined: Mar 2009
Posts: 503
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From: Des Moines, IA
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open
Stuck Drum

Well, I searched for about an hour trying to find an answer but couldn't, so I guess I'll have to bother you guys While my lh drum came off like it was greased (it kinda was with break fluid, whl cyl pretty much exploded) my rh drum is glued on. It seems to be stuck on the axle shaft. It move about 1/16", I engaged the parking brake and it doesn't move at all(as expected). I'm pretty sure I'm just moving the axle shaft. It's very rusty around the lug nuts and center cap thing.

My manual says to turn the adjusting wheel while pulling on the adjusting lever. Well I can't see a lever and it doesn't say anything about a lever in the diagram in the book. It also doesn't say which way to turn it. I tried turning it both ways and it moves about an 1/8 of a turn in each direction, no improved movement on the drum. I soaked the rusted area of the drum in wd-40 twice and gave it several wacks with a BFH. Is there anything else I can try?
Thanks guys, I know I'm getting to be a real pain in the ***
Alex
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Old Apr 17, 2009 | 11:26 PM
  #2  
1989IROC-Z5.7L's Avatar
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From: North, Texas
Car: 1987 Buick WE4 Regal
Engine: 3.8L IC Turbo
Transmission: 200 4R Auto O/D
Axle/Gears: 3.42 posi
Re: Stuck Drum

Get two hammers, place one against the drum between the lug bolts, use the other hammer to hit it really hard. This will break loose the drum. WD-40 will help!
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Old Apr 18, 2009 | 07:46 AM
  #3  
Daz's Avatar
Daz
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Car: 87 Camaro
Engine: Chevy V8
Transmission: auto
Re: Stuck Drum

Look at the backing plate and see if there's rubber plug there to cover a hole. Or if there's a hole so that you can loosen the adjuster with a flat screwdriver.It should be perpendicular and below the axle..Loosen that as much as you can. If its still stuch then take the retaining springs off in the back and see if it will give you enough movement to pry it apart
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Old Apr 18, 2009 | 10:55 AM
  #4  
Al Hasse's Avatar
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Joined: Jun 2005
Posts: 1,800
Likes: 2
From: Bremerton, WA
Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: Stuck Drum

Originally Posted by Daz
Look at the backing plate and see if there's rubber plug there to cover a hole. Or if there's a hole so that you can loosen the adjuster with a flat screwdriver.It should be perpendicular and below the axle..Loosen that as much as you can. If its still stuch then take the retaining springs off in the back and see if it will give you enough movement to pry it apart
Previous owner of mine replaced a set of shoes after putting a nice set of grooves in the drum. Of course the drum wore a couple of nice ridges in the shoes. The drum was next to impossible to remove since it was hung up on the shoes. Adjusting the e-brake (as described above) as loose as possible was the only way I could get the thing off the hub.
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Old Apr 19, 2009 | 08:20 PM
  #5  
novafirebirdguy's Avatar
Thread Starter
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Joined: Mar 2009
Posts: 503
Likes: 1
From: Des Moines, IA
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open
Re: Stuck Drum

Thanks for the replies guys. I tried adjusting the parking brake several times. Tried turning the adjusting wheel both ways but couldn't get it to turn very far and got no improvement. Thanks for the clarification though, I wasn't really sure how to do it with the manual's crappy description.

Thanks for the hammer idea, but I got one question for ya. I assume that you mean put the hammer in between two of the lug bolts and not on the center. Just don't wanna hit something wrong and screw up my axle shaft.
Thanks a lot guys
Alex
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Old Apr 19, 2009 | 09:43 PM
  #6  
1989IROC-Z5.7L's Avatar
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Joined: Dec 2008
Posts: 176
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From: North, Texas
Car: 1987 Buick WE4 Regal
Engine: 3.8L IC Turbo
Transmission: 200 4R Auto O/D
Axle/Gears: 3.42 posi
Re: Stuck Drum

Here is a photo:

Attached Thumbnails Stuck Drum-drum-brake-photo.jpg  
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Old Apr 19, 2009 | 09:54 PM
  #7  
novafirebirdguy's Avatar
Thread Starter
Senior Member
 
Joined: Mar 2009
Posts: 503
Likes: 1
From: Des Moines, IA
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open
Re: Stuck Drum

Thanks man just what I needed!
Alex
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Old Apr 20, 2009 | 08:02 AM
  #8  
Fyrstorm's Avatar
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Joined: Apr 2005
Posts: 467
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From: Ontario, Canada
Car: 86 Trans Am
Engine: 385 Fast Burn
Transmission: 700R4 - stock (eep!)
Axle/Gears: Stock, will upgrade at some point
Re: Stuck Drum

I usually replace the drums when I do the brakes on my cars anyway - I have a 3lbs mini-sledge and wail on the lip on the back of the drum, making sure I don't hit the backing plate.

When I did my Jeep the cylinder had a leak and all the mud that got side the drum became a big greasy concrete block. That was the only way it came off and it took much persuation, most of the time a couple of good whacks from the back gets it moving enough to get it off like usual with some wiggling.
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Old Apr 20, 2009 | 09:36 PM
  #9  
novafirebirdguy's Avatar
Thread Starter
Senior Member
 
Joined: Mar 2009
Posts: 503
Likes: 1
From: Des Moines, IA
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open
Re: Stuck Drum

Originally Posted by 1989IROC-Z5.7L
Get two hammers, place one against the drum between the lug bolts, use the other hammer to hit it really hard. This will break loose the drum. WD-40 will help!
Worked great, Thanks!!
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