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-   -   brake drums wont go back (http://www.diychatroom.com/f46/brake-drums-wont-go-back-164373/)

noquacks 11-22-2012 12:15 PM

brake drums wont go back
 
I screwed up- trying to bleed rear brakes and did it with drums off! Man, not shoes expanded, and drums wont go back! Imin trouble!

joecaption 11-22-2012 12:23 PM

Open the bleeder again to relive the pressure and push the pads back.

noquacks 11-22-2012 12:32 PM

Quote:

Originally Posted by joecaption (Post 1058304)
Open the bleeder again to relive the pressure and push the pads back.

Thanks, Joe. Can this be done by hand?

joecaption 11-22-2012 12:39 PM

Not easy but can be done.
If there's any gap I've used a flat bar to get it started then a C clamp to get it all the way back in.

BigJim 11-22-2012 01:09 PM

Joe he may be talking about Drum brakes instead of disk brakes.

But you can open the bleeder and push the piston back in by hand on drum brakes or disk brakes. You could let the adjuster down a few notches and readjust after you get the drums back on.

ukrkoz 11-22-2012 01:26 PM

No real need to open bleeder screw, as you let air in. Of course, unless you have tubing connected and dipped into jar with fluid. Then running chance of sucking it through the main line anyway.
Springs will not pull them back together?
Your quest is to figure out how to compress shoes back. Depending on the brakes size, a large C-clamp should do it. Or the belt wrench, should be able to wrap it all the way around shoes.
Just in case:
http://www.youtube.com/watch?v=E_Io1...feature=relmfu

ukrkoz 11-22-2012 07:48 PM

You know, I simply can't get over, why springs do not pull shoes back along with pistons. Maybe pistons got crooked inside the bore? They are just flat rather small pags, might be the case.

Bondo 11-23-2012 06:33 AM

Quote:

Originally Posted by ukrkoz (Post 1058417)
You know, I simply can't get over, why springs do not pull shoes back along with pistons. Maybe pistons got crooked inside the bore? They are just flat rather small pags, might be the case.

Ayuh,... The springs, Should collapse the pistons into the wheel cylinder,...

I'd sooner think the adjusters weren't screwed closed...

noquacks 11-23-2012 07:51 AM

You guys are too much! Thanks for coming to the rescue so fast! Yes, Im dealing with drums, not discs, but got it done! What complicated it was the pin(?) keeping apart the shoes, which poped out of the "slot", eventually, pryed it back in, and then, going on Joe's advice, as well as others, finally squeezed the shoes back about, ohhh, 2-3 mm, thats all it took. Man, now i leant.

Onto bleeding, now.......

Bondo 11-23-2012 10:10 AM

Quote:

Originally Posted by noquacks (Post 1058549)
You guys are too much! Thanks for coming to the rescue so fast! Yes, Im dealing with drums, not discs, but got it done! What complicated it was the pin(?) keeping apart the shoes, which poped out of the "slot", eventually, pryed it back in, and then, going on Joe's advice, as well as others, finally squeezed the shoes back about, ohhh, 2-3 mm, thats all it took. Man, now i leant.

Onto bleeding, now.......

Ayuh,.... Even though those are known as "Self-adjusting",....

You do know that the adjuster star-wheels need to be adjusted out, as the startin' spot,...

Right,..??

ukrkoz 11-23-2012 10:29 AM

He does. Now. Even has video for it. All's well that ends well.

noquacks 11-24-2012 08:21 AM

sory for delay, people. I got ahead of myself and patched it all back up before checking here for follow up posts, but yes, I was aware of the startadjuster, although, have to admit, I assumed all was well as the drums were shiny smooth, no scarring, and they fit back on snugly.

But, I believe I missed a step. Wasnt I supposed to depress brake pedal a few times to "set" the shoes again, THEN test for clearance? If the wheel spins freely, doesnt thaT mean it isnt binding and no adjustment necessary?

I could jack up car again, no problem, and inspect........

Oh, thanks for the link, UK- it mentions the startadjuster is an "automatically" adjusting device, right?

Fix'n it 11-24-2012 09:49 AM

Quote:

Originally Posted by noquacks (Post 1059034)
s
But, I believe I missed a step. Wasnt I supposed to depress brake pedal a few times to "set" the shoes again, THEN test for clearance? If the wheel spins freely, doesnt thaT mean it isnt binding and no adjustment necessary?



it mentions the startadjuster is an "automatically" adjusting device, right?


i never do....if it spins freely = it could be ok, or it could be very loose. if loose, see how far the brake pedal goes down. if it goes more than a 1" or so, then adjusting the star wheel will bring the pedal up. when i adjust drums, i adjust so there is a slight drag with the wheels off.


yes. when you are backing up, then stop, it self adjusts if needed. assuming things are working properly.

Bondo 11-24-2012 10:59 AM

Quote:

If the wheel spins freely, doesnt thaT mean it isnt binding and no adjustment necessary?
Ayuh,... With the wheel jacked up, spin the wheel,...
You should hear the shoes, Just touchin' on the drum as it spins...

If not, adjust 'em out abit with a brake spoon...


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