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How many springs in 1-2 shift valve lineup ?

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Old Jan 2, 2018 | 10:54 PM
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Default How many springs in 1-2 shift valve lineup ?

I found 2 in mine....but every pic I find shows only 1 spring .....anybody ?
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Old Jan 3, 2018 | 06:24 AM
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Most common gm rwd transmissions have one.
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Old Jan 3, 2018 | 02:29 PM
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its not the valve body that came with my car.....ebay VB....i guess i will take the extra spring out
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Old Jan 3, 2018 | 05:09 PM
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Originally Posted by sjsingle1
its not the valve body that came with my car.....ebay VB....i guess i will take the extra spring out
Well should everyone assume it's a 4L60E?

What transmission is it?
What year?
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Old Jan 4, 2018 | 01:24 AM
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oops....2000 tranny with unknown source of VB......4L60e
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Old Jan 4, 2018 | 01:39 AM
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Originally Posted by sjsingle1
oops....2000 tranny with unknown source of VB......4L60e
You said lineup. Is it for sure the 1-2 shift valve ?
There should be 1 spring, 1 valve and a solenoid.
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Old Jan 4, 2018 | 03:20 AM
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yes.....1-2 shift valve....( i do know my way around a VB ) main spring and smaller spring inside

did not notice until i was installing the valve and it would not go in because the smaller inner spring had hung up and the valve would not go in.....looked and thought ...WTF....there are 2 springs !!
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Old Jan 4, 2018 | 06:29 PM
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before i took the VB out the 1-2 part throttle shift was a little on the harsh side

I replaced the 1-2 accumulator springs with ones clinebarger recommended ( took out the sonnax springs from the sonnax shift kit )

reduce the 1-2 separator hole from the 092 in the sonnax instructions to almost 082

modded the sonnax 1-2 piston to allow more travel

use the white light spring in the sonnax accumulator bushing line up

and finally......removed the extra spring ( it was pretty stout )

the 1-2 shift is firm but no more part throttle banging !!!!
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Old Jan 5, 2018 | 09:44 AM
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If you have a smaller (green) spring that goes inside of the shift valve itself, then you most likely have the earlier TransGo setup and it should have a .265" checkball that goes in the valve first, then the small spring. Install the large spring first, then the shift valve with the checkball and spring installed outward toward the shift solenoid, then the 1-2 shift solenoid.
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Old Jan 5, 2018 | 01:54 PM
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Dana as many as you have built i would guess you would have seen my problem....no its not the trans go valve with the check ball and spring ( i have installed a TG kit before ) .....stock valve
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Old Jan 5, 2018 | 05:30 PM
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Originally Posted by sjsingle1
Dana as many as you have built i would guess you would have seen my problem....no its not the trans go valve with the check ball and spring ( i have installed a TG kit before ) .....stock valve
My best guess would be that someone had that shift kit in there and put it back to stock. And guessed at what springs went where.

I'd look over the valve body diagram and measure the all the springs, put them where they go, toss that extra green spring.
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Old Jan 5, 2018 | 09:41 PM
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i disassembled the VB when i first bought it...did not notice that spring or any other evidence of a previous kit install....i have disassembled the VB several times since then....never noticed the extra spring.....guess that spring will be a mystery up there with bigfoot...loch ness monster....and big boobed blonde 18 yr old nymphomaniacs
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