Rear drum brakes

10

Asked by Jan 16, 2016 at 11:22 PM about the 1993 GMC Sierra 2500 2 Dr C2500 Extended Cab LB

Question type: Maintenance & Repair

I have a 1993 GMC Sierra it was modified by the
previous owner and is now a 3/4 ton 2500. My rear
brakes have locked up on me twice and I am sure
this brake job is long over due. I have my rear
driver side tire off and the truck is in neutral. I have
used an entire can of PB penetrating lubricant. I
have hammered around the drum and also tried
heat. I assume there is something simple and
important I am missing. So how do I get this drum
off?

6 Answers

64,375

There is a plastic cap on back of drum near bleeder location,pop cap out use a brake tool to adjust and loosen the brake shoes inside the hub so you can get it loose.

1 out of 1 people think this is helpful.
64,375

Diagram,

1 out of 1 people think this is helpful.
10

Is there anything else it could be? I'm not seeing anything like that. I bought a tool earlier today and the guy told me something similar. He said just remove the dust cap and adjust the pads. The only opening I see here is a pen sized hole and a slit on each side.

10

Thank you for the diagram I'm looking at it different now.

1 out of 1 people think this is helpful.
64,375

It is a slit about 1" long 1/4 or so wide,use the tool to rotate the star.

69,565

That helps, and you may have to punch out that tab to gain access. When hammering on the drum pound in-between the lug studs on the face of the drum while applying some pressure on the edge of the drum like using a screwdriver between the drum and backing plate. Just don't bend the backing plate, you do not need to pry that hard. It will pop loose. This is a recommended procedure from a Manufacture and it dose work.

1 out of 1 people think this is helpful.

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