GMC Sonoma Transmission Not Shifting

Had To Replace Intake Manifold Gaskets Due To Water Leak. Now Engine Races Over 3000 Rpm When Started But Does Drop Down To 1500 To 2000 Rpm...

Auto Transmission - Truck Will Not Shift Into 3rd Gear - Automatically Or When You Try To Do Manually.

I Changed The Trans. Oil And The 2 Lines That Go From The Trans. To The Radiator, Also Changed The Radiator, Now It Doesn't Change Gears...

I'm Having Trouble Getting My Truck Back On The Road! When I Start The Truck Up It Will Go Into Drive And Move, But Once Up To...

When Its In Drive! It Will Not Shifting Gers ! In The Morning I Clean The Motor ! Is There A Reason Why Its Hapening!