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Tranny surge problems

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  #1  
Old 05-16-2009 | 08:39 PM
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Default Tranny surge problems

Vehicle: 1996 1500 pickup

Symptoms: On acceleration, RPM's keep building up, tranny don't want to shift. Have to back off the peddle. Toying around with the peddle eventually enables tranny to find the right gear up to 45 MPH, when 45 is hit it surges big time, then of course I must back off the peddle completely, and start the process again.
I've been dealing with this for a while, I have been driving 45 and under for months.
Once in a while, a gear will kick in and it will go fine over 45, but then once its back under, the process starts again, and its impossible to predict when it will feel like going over 45 instead of surging.
Needless to say, this inhibits freeway driving.

What I have done: I just put in a new govenor pressure sensor & solenoid, and put in some fresh Valvoline ATF +4.
It does seem to shift better under 45 now, but still surges once it reaches that.

TPS ? Any ideas and/or hints at diagnosis ?
Is throwing no codes.
 
  #2  
Old 05-16-2009 | 10:11 PM
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the frist thing that came to my mine before reading, was TPS and then govenor pressure sensor ,, but you have a new sensor,,,, so get a new tps about 50dollar and up a easy to replace.

please let us know if you figure it out,,,,
 
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Old 05-17-2009 | 02:55 AM
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Will update when new TPS is installed
 
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Old 05-19-2009 | 11:09 PM
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No joy with new TPS, am about the take it in for diagnosis.
Anyone with any others ideas feel free to chime in.
 
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Old 05-19-2009 | 11:23 PM
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did you re set the computer?? and then maybe a bad torque converter( just a thought)


i hope it's no thing to bad
 
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Old 05-20-2009 | 03:29 AM
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Reset, if you mean disconnect neg post and turn key on 30 seconds, yes.

Time will tell I guess, I've been a bit rough on it and have neglected maintainance for a while, gotta pay the price somewhere down the line ,,, Though I still haven't given up the possibility that it may be something relatively simple.
 
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Old 05-20-2009 | 06:29 AM
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Originally Posted by dodgeram07
did you re set the computer?? and then maybe a bad torque converter( just a thought)


i hope it's no thing to bad
OK stupid me, I have replaced my TPS with no affect with the surging but I did not know to reset the computer is this a MUST or is it just a good idea? The govenor pressure sensor is this the sensor close to the TPS? When I replaced my TPS the RPS were much higher than normal and the surging did not stop (I put my old one back and returned the new one). Do you think resetting the computer would correct this?
 
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Old 05-20-2009 | 06:47 AM
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try to replace your TPS...
 
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Old 05-20-2009 | 07:59 AM
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The govenor pressure sensor is an internal tranny part, easily accessible but you'll have to drop the pan, I did a photo write up of the process.
Didn't help my problem, but a lot of folks have had success with it - Best to swap out the solenoid also.

https://dodgeforum.com/forum/2nd-gen...ml#post1667987

 

Last edited by xray99; 05-20-2009 at 08:09 AM.
  #10  
Old 05-20-2009 | 04:16 PM
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Talked to one guy on the phone, thinking about bringing it by for him to look at.
He said "don't even need to see it, from what you are saying the shift solenoids are gone and needs to be rebuilt".
So I'm going to seek some more opinions before I make any move.

Kinda took me by surprise with the phone diagnosis, who knows ?
 

Last edited by xray99; 05-20-2009 at 04:20 PM.



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