# 4wd won't engage, 2000 silverado

**URL:** <https://forums.speedlife.net/t/4wd-wont-engage-2000-silverado/267979>\
**Category:** Shift518 Automotive\
**Created:** [November 25, 2013, 9:53am UTC](https://forums.speedlife.net/t/4wd-wont-engage-2000-silverado/267979 "2013-11-25T09:53:44Z")\
**Posts on this page:** 1\
**Showing post:** 22

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**Author:** ![toomanycamaros](https://avatars.discourse-cdn.com/v4/letter/t/7993a0/32.png) [@toomanycamaros](https://forums.speedlife.net/u/toomanycamaros)\
**Post date:** [November 26, 2013, 9:28am UTC](https://forums.speedlife.net/t/4wd-wont-engage-2000-silverado/267979/22 "2013-11-26T09:28:48Z")

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> [@Woot, go newegg, F NYS!!](https://forums.speedlife.net/t/woot-go-newegg-f-nys/53683/8):
>
> it won’t work sitting in the driveway/going down the road so getting stuck and then trying it is not my problem lol
> 
> it’s gotta be a problem in the diff, I just have this mindset that if it’s in the diff it should be making some kind of bad sound. Am I so wrong to think that?

What Waite said. For all you know somebody could have had it apart and reassembled the selector mechanism incorrectly. Just make sure that the front and rear shafts are turning at the same speeds when the t-case is locked in. If your sure it’s an issue with the diff and want to pull it out I could probably help you split it open and figure out your problem.

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