BUICK TRANSMISSION OVERDRIVE

This Problem Is Very Strange. The Car Will Shift Normal, Perfectly Fine. Eventually It Will Decide It Wants To Go Into 3rd And Stay (it...

The Car Does Not Shift Into Overdrive. Just Stopped One Day. Does It Have A Fuse, Solenoid Or Some Exterior Device To Empower It For...

My Transmission Sometime Won't Shift Into 4th/overdrive Gears Until Reaching 50-55mph Or It Will Not Shift Into 4th Or Overdrive Once This...

I Have A 1991 Buick Park Avenue With The 3800 Engine. The Problem Is That It Stays In Third Gear, Will Not Up Shift Or Down Shift. I Can...

Have No Overdrive. Driving, Gear Selector In Od, The Transmission Stays In 3rd Let Off The Gas Pedal And It's As If It's In...