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4L80E Valve body ID

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Old Jan 10, 2022 | 06:47 PM
  #21  
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I get nothing on that one either. I'll try on a laptop, my phone doesn't like it...
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Old Jan 10, 2022 | 07:03 PM
  #22  
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Here's the pics of the parts in question. It occurs to me I need a new pressure regulator spring as well. That one's fubarred. Who knows what version that is too... Usually I've seen them come in a shift improvement kit. Wonder if it's available separately?

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Old Jan 10, 2022 | 08:22 PM
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the link works for me. maybe try opening it in a new window? i would just bend the spring back with a pair of pliers. looks like the LB1 valve to me...
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Old Jan 10, 2022 | 10:19 PM
  #24  
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do not bend that spring back
that spring belongs in the trash

The LB1 with stock 4l80e spring is a great setup for your application.
If you're friendly with any local trans shop they will likely just gift you one
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Old Jan 11, 2022 | 05:26 AM
  #25  
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Yeah, that spring was never going back in, no worries there. Thanks again for the help. The instructions linked above both times won't open due to security risks...However, after digging deeper, I found them stored in my phone... Evidently the seller sent them to me. Sorry for any inconvenience to anyone.

Last edited by Scott65; Jan 11, 2022 at 07:21 AM. Reason: Addition
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Old Jan 11, 2022 | 01:45 PM
  #26  
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maroon does this for a living/way more transmission experience than me so definetly take his advice over mine. if youre not heating the spring or getting tooling marks on it i don't see a problem with bending it back as long as it isn't severly bent. If i needed it back on the road immediately i'd have no problem reusing it.
​​


​​​for the cost of a new one it's probably a no brainer. for my location getting parts can be an issue. good luck!
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Old Jan 11, 2022 | 01:54 PM
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Originally Posted by Scott65
I picked this up about a year and a half ago. Any chance it was correct at that time? Any chance of getting the written instruction material for this from you Jake? Perhaps with the purchase of whatever the newer correct parts are?
Yes,
Just email the shop for latest instructions or anything you need. We have tons of stock 4L80E PR springs.

We typically use a stock boost valve and our spring now. The boost valve from SOnnax is good quality, we had issues with the springs that went unresolved so we quit using that product.
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Old Jan 11, 2022 | 03:25 PM
  #28  
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Originally Posted by jakeshoe
Yes,
Just email the shop for latest instructions or anything you need. We have tons of stock 4L80E PR springs.

We typically use a stock boost valve and our spring now. The boost valve from SOnnax is good quality, we had issues with the springs that went unresolved so we quit using that product.
Thanks, will do. Gonna finish evaluating any potential damage from this, and then contact your shop for parts. If it continues to look as good as it appears so far, I can maybe splurge for one of your 4340 input shafts. Thanks to all who helped answer my questions.
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