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Wont Shift, Help

2.5K views 18 replies 3 participants last post by  cwillis44  
#1 ·
So I did a search earlier and found a guy with similar issues and his was low tranny fluid. My tranny fluid is full. When I drive its not jerky or anything but its like the computer is not telling it to shift on the right times. Sometimes it will shift fine other times it runs to 3 grand until it shifts from first to second. its been being weird shifting in into OD as well. I was just driving in a 35 and out of no where it dropped down into 1st. Idk wtf is going on. I do have a Jet Performance Chip, do you think its that thing shitting the bed? its a 97 with 50,000 miles so idk what the issue could be. Please Help i gotta drive it home in a week.
 
#3 ·
Did you seriously just bump your post in less than an hour? Lmao. But anyway I'd ditch the jet chip and see if it changes anything. You are checking the fluid with the truck warm, running, and in neutral correct?
 
#5 ·
I'm intrigued as to how you would prime a filter that is open on the bottom. I'm assuming he either has a 42RE or a 44RE since the 4.7 and the 45RFE didn't come out until I believe 2000? I'm kind of hoping I'm gonna learn something here though!
 
#7 ·
Haha you had my bain going for a minute lol. One of the many weak links in or transmissions is the governor pressure sensor, it may be taking a shit ok you and giving erratic signals. A good obd2 scanner can tell you for sure.
 
#9 ·
bad news, she wont move. had to hold it at 5 grand just to do 2 mph to get to a open parking spot. I think its the torque converter. Friday is move out day so im getting picked up by a car hauler.
 
#12 ·
Is the fluid brown or does it have a burnt smell to it?
 
#13 ·
um its a little brown but not bad, it doesnt smell burnt. Sorry it didnt click when you said it earlier haha. I crawled under there today and noticed some oil but not much, tranny oil is full. I have a vibrating noise from the front end. The read pumpkin is fine no leaks, no noise, the drive shaft looked good. Front pumpkin needs to be resealed. I'm really thinking its the torque converter. I will find out tomorrow, a tranny specialist is gonna put it on a flat bed and take a peak at it for me. hopefully it gets done before school
 
#14 ·
If it's only a little brown you may be right with the converter going bad. When a clutch pack goes you know it lol
 
#15 · (Edited)
Took it to the tranny specialist. The guy is going to hand rebuild it and put a r/t pump in the torque converter and crank the bands. Pretty stoked, it Cost 2500 vs 2000 for a new tranny. What happened is the torque converter pump blew causing the tranny to slowly go.
 
#18 ·
Gotcha haha. Just an fyi there is no difference between an r/t trans and any other 46re. The pump and torque converter are two different parts too so I'm not sure what he's planning there lol. There are a lot of things that you can improve upon though. You may want to look into a transgo shift Kit while its apart.
 
#19 ·
I wish I could but I literally have no extra cash. The pump is going to be stronger and he's jut gonna take alotta slop out of the tranny which will be nice. He is super legit he went to engineering shool. If your bored check his website out http://www.lerouxbrothers.com I'm jut happy the guy helped me out with such a short deadline.