GMC Sierra Transmission HARD SHIFT

What Kind Of Problem Would Cause Automatic Truck To Have Lower Power When First Driving Off, Then Shift Very Hard When Shifting Gears?

Transmission Problem 2006 Gmc Sierra V8 Two Wheel Drive Automatic 106276

Just Purchased This 6.5 Turbo Diesel Truck -the Speedometer Is Broken As It Only Registers About 1/2 Of The Actual Speed You Are Traveling...

Transmission Problem 2000 Gmc Sierra V8 Two Wheel Drive Automatic I Replaced A Friends Burned Out Tranny With A Used Tranny From A...

I Drove My Truck For About 2 Hours At 60-65mph Then Came To A Stop And When I Was Accelerating It Shifted Really Hard Into Second. The...

After Driving My Sierra On The Freeway For About A Little Less Than A Hour, After Exiting My Transmission Shifting (aoutomatic) Becomes Very...

The Tachometer In My Truck Quit Working A While Back, And Ever Since The Truck Seems To Shift Hard From Park To Drive Or Reverse, As Well As...

I Have 5.7l With A 4l60e Trans. It Has A Intermittant Hard Shift Btwn 1-2 And A 1870 Code Comes Up. If This Is An Internal Problem In The...

My Truck Will Start To Take Forever To Shift And Have A Hard Pull To The Right