1996 Volkswagen Golf brake caliper mounting bolts

Sometimes it takes an impact gun to loosen bolts, especially brake components that get hot/cold as much as they do, which will lock the bolts in. You could try a breaker bar and a 1/2 drive socket, but an impact will most likely take it right off, just be sure to wear safety glasses and hold the gun firm so you dont strip the bolt head from being at an angle. Most rental yards will have an electric impact whcih should work just fine and doesnt require a compressor