Trans wont go in gear after vb install
Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Trans wont go in gear after vb install Well my valve body got warped and the mainshaft would not move to allow my car to go in reverse or park It did this after i replaced the PC solenoid cause it was throwing a code. But still through it after install still. But everything shifted great. So we install a new Valve body. And now i still have a PC solenoid code and a 3-2 shift code p0785. Did all the wiring diagnostic and it all came out fine. But putting the car in any gear it does not engage. Any ideas? I we are going to put a new 3-2 solenoid in tomorrow because the connector on the one that was on teh VB we installed was loose but we thought it was ok. This wouldnt cause the problem would? I Know this disables the learning and all of the trans and we reset everything so it cant really get any pressure i dont guess.
Also my Security light is on. After i installed a new battery the light stays on. I have the VAts disabled in hp tuners so the car starts and all just annoying seeing the light on.
Also my Security light is on. After i installed a new battery the light stays on. I have the VAts disabled in hp tuners so the car starts and all just annoying seeing the light on.
if the car does not engage in any gear or move you have some inssue with the valve body or other pressure issue something loose. Look over everything carefully when you pull the pan back down
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Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
only thing that has been pulled out was the valve body was changed and everything was fine before. I reset the TAP i just didnt know since when the 3-2 code is thrown it wont allow anything to adapt and since i reset it all and the pressures are at 0 if that means it wont relearn them. If what i said just makes any sense.
No it should move provided its full of fluid regardless Oh and if the filters in there?
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Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Yah filter is in there. All the bolts are in teh right place and all. i usually do all my own work but after getting ran over by a car I am letting my master tech at work who has rebuilt a few 4l60e trans do the repair. I was just curious as to if there was something known that would cause that maybe we cant figure out. Which seems that it may be
Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Well my tech hasnt got to work yet so i did a few more test. I checked the pump and its working so im still on the drawing board and just hoping this 3-2 solenoid is the problem
That solenoid is not going to keep the car from moving It being bad could cause it not to change gears going down the road but not moving has to be something mechanical
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Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Nothing was wrong with the trans before the valve body was replaced. so why would all of the sudden replacing the valve body make something mechanical go bad. And why would that solenoid not cause it? From reading my Service info on GM dealerworld. Its says when this code is thrown it makes car stay in 3rd and does not allow car to learn the pressures. Well if all the pressures were reset to 0 for it to relearn them and it cant do that would that not be the cause of it. Not tryin to be rude if its worded out like that im just curious. I just dont understand how out of the blue with no symptons and the fact the car went in gear before the valve body was pulled off.
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Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
I understand that thats how is should work. My thing is though the trans has been reset and code is thrown as soon as ingition is turned on so my thought was since it wont let the trans learn/adapt pressure he cant build up any to make it do anything. I could be completely wrong here. But no one is answering that question if maybe that could even be a possibility since the trans was fine before i replaced the VB.
No there is no way anything to do with the adaptive or electronics would be able to cause the trans to no move at all. The trans will actually drive with the electronics completely unplugged
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Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Right i understand that as well but when teh TAP is reset it sets all the pressures to 0 in the solenoids. That was the only reason i asked because they are not goin to see any pressure. But i guess they wouldnt see any if everything was unplugged either really.
Take the valve body off, go through it, make sure everything else is right and go from there.
These kind of posts usually go nowhere. People give advice--tried that, more advice--tried that too, more advice--tried that too.
Well you think it's not building pressure but ignored putting a gauge on it. Problem started after the valve body was swapped out, geee I wonder where the problem is. Take it out, apart and start over.
These kind of posts usually go nowhere. People give advice--tried that, more advice--tried that too, more advice--tried that too.
Well you think it's not building pressure but ignored putting a gauge on it. Problem started after the valve body was swapped out, geee I wonder where the problem is. Take it out, apart and start over.
Thread Starter
Staging Lane
Joined: Jul 2007
Posts: 50
Likes: 0
From: Lexington, KY
Never said it was not building pressure so how did i ignore putting a gauge on it? i said i reset the TAP so that sets the pressures to 0. The main shaft in the other valve body got messed up would not go back all the way thats why the VB got replaced. I will pull it off and start over was just tryin to get some more info.
I'd throw a gauge on it and see waht the pressures are...pump may be working but not building enough pressure...and if it all started after the valve body swap id say something wasnt installed properly...people can make a mistake...i had to pull my trans 4 times before finayl realizing what i did rong.
You kinda did say that.
Your pressure gauge should answer that for you shouldn't it?
Your pressure gauge should answer that for you shouldn't it?