Yes, they have to come out first. You’ll likely need both heat and oil if they’ve been in there a while. I’d heat it hot and give it a whack with an impact screwdriver and hammer. Usually they spin out easily with that. If that doesn’t work, try penetrating oil, soak a day, and heat again. Be sure your impact fits snugly. It is easy to strip the flat head area.

If all else fails, drill into the center of the bolt head with a slightly smaller diameter bit and try an easy out. This is my last resort.

Once out, you’ll have to back off the wheel cylinder inside the drum. On either side of the brake line on the backing plate, there are 2 hex head bolts. Those are the adjusters to back the shoes off the drum.

Have fun and good luck. You may or may not need it. 😎

Brake locking up? Check the free play in your brake pedal. It might be your pedal/master cylinder and not actually inside the drum.

Last edited by Fox; 10/07/2020 5:32 AM.

1970 Chevrolet C10
Grandpa's -- My first truck -- In progress to shiny
Follow the build in the Project Journal
1950 Chevrolet 1-Ton Dually
"Ole Red Girl"
In the Stovebolt Gallery
More pictures here
1951 GMC 9430 1 ton dually--Shiny! | 1972 Chevrolet C20- Rusty- the puzzle box lid for the C10 | 1962 AMC Rambler American- my wife's
Parts trucks-
1951 GMC 9300 | 1951-GMC 9430 | 1951- Chevrolet 1300