About a month ago my transmission started to not shifting properly. So I removed a gal. of fluid from it and replaced it. Still it was not right it was better but not correct I lost the ability to shift into reverse. So a nissan mechanic friend of mine suggested I look into the linkage. After many attempts to get it right I got stupid close but I can't seem to get it perfect. I know I can't be far off cause when im on flat ground and facing downhill is when it acts like it is trying to drive forward when I'm in reverse trying to back up it feelslikea bull ride if i try to give it any throttle. When parked slightly facing up hill going into reverse is perfect. I was told to put it on flat ground release the tension by loosing a set bolt on the linkage manually shift the transmission to neutral then climb out from underneath and put the shifter into neutral. Afterward tighten down the set bolt on the linkage and it should have been correct. However after countless attempts I have not successfully reset the linkage. Is there a way to do this correctly set it so I will get reverse to work properly.
it's a 98 dodge ram 1500 5.9 liter magnum with the sport package believe it's a 46 transmission

 

You are doing it correctly. How much slop is there in the linkage? The bushings tend to wear.... and you get issues.

 

Not sure what you mean by slop. The bushings don't look worn I had the transmission rebuild about 5 years ago and they replaced the bushing

 

Slop, as in: movement in parts that shouldn't be there. Usually where one part meets another.