Brake issue

[84GMCSierra]

Hello everyone. Im having an issue with my left tear drum brake. I teplaced all the hardware including wheel cylinders last week. Now every once in awhile the LR locks up, but not every time. I also had a hard time getting the drum off even after loosening the adjuster. Am I missing something when I put it all back together? The only thing I see is the Blue spring on the spreader bar: the small loop is behind the shoe instead of in front. Not sure if that will affect it. Ride points for the pads were greased, and adjuster was cleaned and oiled. Heres some pics.

 

[fast 99]

Did you check emergency brake cable, should move free. Nothing in those pictures sticks out as being wrong. Should bend the hook on the blue upper spring a bit more.

 

[84GMCSierra]

Closed the top of the blue spring a bit more. E Brake cable is loose and free

 

[rusted nuts]

Hello everyone. Im having an issue with my left tear drum brake. I teplaced all the hardware including wheel cylinders last week. Now every once in awhile the LR locks up, but not every time. I also had a hard time getting the drum off even after loosening the adjuster. Am I missing something when I put it all back together? The only thing I see is the Blue spring on the spreader bar: the small loop is behind the shoe instead of in front. Not sure if that will affect it. Ride points for the pads were greased, and adjuster was cleaned and oiled. Heres some pics.

That blue spring that holds the adj. and shoes together at bottom,, I always put the coils of the spring over the star part of the adj. In you pic there dosen't look to be any part of the spring to keep the Adj from move tighter or loser. But i think if it was moving it would lock up the wheel and stay locked..

 

[squaredeal91]

Im wondering How much distance between the drum and the shoe, Are the loose going on? Does the drum have a rudge? Maybe compare with other side to see if there's something ascu

 

[rusted nuts]

Closed the top of the blue spring a bit more. E Brake cable is loose and free

Did You put the shoes back on the way they came off?? there is a front shoe and rear shoe for same wheel one has more lining

 

[84GMCSierra]

Did You put the shoes back on the way they came off?? there is a front shoe and rear shoe for same wheel one has more lining

They're back where they came off.

 

[Turbo4whl]

The backing plates have raised pads where the brake shoe rests. On high mileage units these pads get worn with a notch that matches the metal part of the brake shoe. New brake shoes with thicker lining will sometimes apply and get locked in that worn notch. This can lock the wheel.

The fix is to file the mounting pads smooth. If they are worn thin, they can be filled with weld and then filed flat.

Remove the shoes and see if there is a deep notch worn in the backing plate where the shoe sits.

 

[Turbo4whl]

One more note, if you are using a corkscrew style return spring removing tool, always start the tool on the inside of the return spring loop. This will prevent bending the spring loop.