Changing A/c Compressor,,,need Help

Hello,

My Ac Compressor Makes A Shaking Noise When I Turn The Ac On. I Already Chaged All The Tensioners (2) And The Idle Pulley.

Can Soomeone Tell Me How Hard Or Easy It Is To Change The Compressor..

Thank You

Tl

I work for a Cadillac dealership If i were you I would bring the Truck to the dealer, it is not so bad but then again after you do a good amount it seems to be nothing, but then again you need a R-134a recovery machine and you have to be certified to use it. So on and So forth