Steelheading365

I have an 03 ss silverado. If I'm driving on the freeway and am going downhill I take my foot off the gas and the truck coasts for a little bit and then seems to go into a gear and start to slow down. Is this normal? Almost seems like turning the overdrive off on a ford truck. Any info is greatly appreciated. I am new to the site, such a great connection of truck owners, thanks!

Hey my name is matt and I'm from Seattle. Just bought an 03 SS Silverado in blue. The truck is sooooo clean! Hopefully no major mechanical issues come up, but if so, I'm glad I now have this resource. Thanks!