Piston Slap: Of Antique Trucks and Rebuilt Brakes

TJ writes:

My New Year’s resolution this year was to get my grandfather’s 1979 Chevy C10 running and driving again. It’s been parked in the garage since I drove it in there when my wife and I moved into our house in spring 2012. I stopped driving it because the transmission needed (another) rebuild and I didn’t have the time or money then. I’ve managed to get it running (full carb cleaning and new sending unit in the tank) and it will idle after some urging.

Now the next issue: I decided to check the brakes by jacking up first one end then the other and spinning the tires, then having someone step on the brakes (my 4 year old loved it). 3 out of 4 wheels spin, but the brakes don’t stop more spinning. The front passenger is stuck. I was able to get the rotor to turn some with a breaker bar. I could also hear some dragging in the rear passenger drum, but I was still able to turn it by hand. The pedal has some firmness, but not a lot and it doesn’t get hard after the engine is off (have to check the booster once I get the brakes working).

My first thought is to replace the front calipers and rotors (rotors probably need it anyway) and wheel bearings, since the rotors will be off. I’m not above rebuilding the rear drums also. Before I drop a bunch of money on parts, I thought I’d reach out for advice.

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