The steps for replacing the instrument cluster on my Chevy?

I have a 2003 Chevy Venture. The temp gauge for this thing is no longer good. I got a replacement instrument cluster from Ebay and I want to replace the old one. If you are a mechanic, can you please send me the detailed steps to change the instrument cluster please.|||You can check with autotronics.com or instrumentcluster.com. I believe on the GM, the instrument cluster has to be reprogrammed after installing it. Autotronics offers replacement instrument clusters for GM and Ford for $205.00 includes shipping.|||Go to the library, use the CHILTON Manuel, it will tell you stepby step procedure!