Overdive problem
#1
Overdive problem
I have a 2000 Ram 1500 with 183000 miles on it. Bought used because I needed the 5.9 liter to tow a trailer. Got it home and went to install a tranny cooler. Had to identify which line was which to the radiator tranny cooler, so I disconnected one line to the radiator, and put it in a bucket, and had the wife start the truck for a second. Found the fluid to be fairly brown. Mind you, the truck shifted fine at this point. So I drained what fluid I could by just dropping the pan, and blowing out the radiatior cooler. Put in a new filter and topped of the fuild with new stuff. Finished installing the tranny cooler. Later hooked up the trailer and took a trip. I live in Arizona, so it gets pretty hot here. Drove from Phoenix up to the Greer in the White mountains. There was quit a bit of straining going up the mountain roards. On the way home, the truck didn't want to shift into the last gear. I'm assuming that's overdrive. Now I know there is a lot of talk about weather you should or should not tow with overdrive on. Well the majority does. So anyway, about 3/4 the way home the only way it will shift in the last gear is if I leave up on the elcelerartor. I made it home okay, and read somewhere that since the oil was old, brown and gummy, after changing it someone recomended put in a quart of TransX. I tried it and it seemed to work. Now a few months later I'm seeing the same issue. Have read everying from that I need a total rebuild, to the overdrive solenoid is bad, some kind of electrical harness is bad, to connections on the firewall are corrodied. Who in the heck do you believe? I really don't want to spend the money on a rebuild job if it ends up being something simple. Who can you trust? Not sure where to go from here?
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