GMC Truck Transmission

Truck Shifts Ok When Cold. When Warmed Up It Will Not Go Into Overdrive Or Gear One. I Have Already Changed The Electrical Harness And It...

Can You Please Help- Truck Is Not Downshifting- From No Gear. We Have Replaced The Two Shift Solenoids And Replaced Fluid And Filter. Still...

I Was Wondering If The Transmission Went Out Or It Hopefully Something Else. I Broke Down A Couple Of Days Ago, I Went To Go See What Was...

Gmc K1500 With The 350 Ci, And A Throttle Body. When My Truck Shifts From First To Second, It Shifts Hard, Like The Throttle Is Sticking....

When I Drive Up A Hill Or Need To Downshift To Accelerate My Truck Runs Rough The Tach Jumps Around 2,000rpm And Makes A Bogging Sound, I...

Had Sudden Major Transmission Fluid Leak. Dropped Trans And Changed Seals Etc. And Reinstalled Trans. Seemed Okay Until Engine Warmed Up...

My Vehicle Is Actually A 1983 Winnebago But Has The Gm Frame Of A Dually Automatic Turbo 400. After Sitting For About Five Years Started...