GMC SIERRA TRANSMISSION

Hello, I Was Driving My Truck Listed Above 1500, When I Heard A Grinding Noise. I Got To A Red Light And All Of A Sudden, The Truck...

Truck Initially Had A 5spd 4.3 V6 2wd. I Installed A 2003 5.3l V8 Using The Original 5 Speed. From The Get Go Shifting Acts As If The...

Have A Rebuilt Transmission. When I Put It Back In, The Truck Still Won't Shift Gears Correctly. The Speedometer Doesn't Work....

When I Have To Slow To Turn Onto Another Street, Or For A Stoplight That Turns Green Before I Fully Stop, Or In Stop-and-go Traffic, I...