Hello, I am here to help my dad with his 04 Silverado 1/2 ton, Z71, LT. My dad is 74 and I am 24. I drive a 93 Ford F150 Lightning and in the winter I drive a 97 Jeep Cherokee. My father and I are not professional mechanics, But my dad was a track vehicle mechanic in the army, and I work as a marine mechanic at riveredge motorsports. I will be posting soon to get some info about my dads brakes. This site seems to be a wealth of information. Thank you!