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The back breaks were really worn down, so I had them replaced. I pulled out of the shop and felt like the car was kind of dragging a little.

Drove 1 mile to my house and parked, then I smelled smoke. But didn't see anything.

The next day I drove about 6 miles when there was smoke pouring out of the back of my car, just above the back wheels.

I took it to the repair shop and they said there was probably sand or dirt or something where the piston is. And I might need new ones. (Something about the piston thing sticking out too far for too long, and allowing dirt to get under it. And it smokes)

Also, as I drove the 3 miles to the shop, I was having to push on my breaks more and more because they weren't working!

The shop said this was because the breaks were hot.

I'm just trying to find out if this sounds right. Or are they charging me for new parts to cover up the fact that maybe they didn't put the breaks on correctly.

Thank you for any help you can offer!