shifting issues

Hey all! I recently started having an issue where my truck will downshift 6th to 4th) upon reaching high rpm (acceleration only) above 50mph after disengaging my 4wd or while in 4wd. What could be causing this? Anything I can do to self troubleshoot this?

My truck has less than 2000 miles on it. When I am driving at low speeds (35 or under) my trucks hesitates like the transmission is in too high of a gear (chugging). The problem is far worse when cold and/or going up a hill at low speeds. Is this typical? Not sure if it's a break in thing or...

Hello: My 2007 Dodge Ram 1500 5.7 Hemi has been performing oddly. It shifts and accelerates normally below about 40 mph. Below 40 mph, when you step on the gas, the RPM's go up and the truck accelerates nicely. Over 40 mph, when you step on the gas, the tach actually decreases, the engine gets...

Hello Guys, I have a 1998 Dodge Ram 2500 with the 12v 5.9 Cummins Turbo Diesel. The truck is basically bone stock aside from a cold air intake and some exterior modifications. I purchased the truck roughly 9 months ago and ever since I got it, it has shifted hard from gear to gear. I have the...

I have a 2001 Dodge Ram 1500 with the automatic 5.2 L V8. Just today I was driving and realized my truck would not shift past 3rd gear. My truck runs smoothly and correctly through first, second, and third gear but at times does not want to shift into overdrive. I have a 30 minute drive to...

I just recently rebuilt my trans with new electronics frictions and steals as well as a few hard parts that were damaged. I aslo installed a shift kit while the trans was apart. ive gotten it all put back together and installed and every gear works but first, cant even manually put it into...