Yukon Duragrip vs Eaton Gov Lock

96-2D-Hoe · Feb 15, 2019

Found a crack in my diff housing when I opened it up after my rear wheels started locking up on turns.

Crack was probably from a previous failure 8-10 years ago, I can't imagine I could cracked it.

Was advised to go for a replacement diff rather than repair the Gov Lock. Was replaced last week along with bearings seats etc.

Truck doesn't feel the same. Sometimes I feel like I'm getting 'clutch' while pulling away. Something felt like a gear change after turning right and pulling away quick Today doing the same it felt like the rear end twisted a bit. It feels strange sometimes and I don't think I like it.

Is the gov lock more direct? I know the Yukon has clutches but I thought that would only be for wheel slippage?

96-2D-Hoe · Feb 15, 2019

Spoke to the guy at the rear end shop that replaced the diff and he told me to bring it in so he could drive it. He was being sketchy when I asked him some questions to begin with, something wasn't right, I'm not sure what.

I don't think I'm being over sensitive, but the truck has tightened up a lot over the past two months so it's possible. Even if so, he was majorly covering his ass.

96-2D-Hoe · Feb 20, 2019

I'm not being sensitive, something weird. I hardly drive it, but when I do something is moving in the driveline/suspension at the rear that I only noticed after the diff was changed. Does it once in a while and I can't seem to recreate it. It's not the slip joint. That was the only movement I ever noticed before. I've had a pretty good look and the only thing I can see is wear on the leaf spring bushings. No sign of anything moving.

swathdiver · Feb 21, 2019

What did the diff shop guy say after you brought it back in?

96-2D-Hoe · Feb 21, 2019

As I can't recreate it, yet, I haven't gone back to him. There doesn't seem any point. Really not sure what to do here tbh.

Normally happening pulling away on turns, sometimes just accelerating hard after a turn. Did something weird yesterday pulling away from a parking spot at the grocery store. I'm thinking to put my Eaton back in but as I don't trust the guy much now I'm not sure what to do unless I can make the movement/slip happen.

96-2D-Hoe · Feb 21, 2019

swathdiver said:
What did the diff shop guy say after you brought it back in?

Finally called him and asked him to hold on to my old diff. He wasn't being so sketchy today for some reason. Told him I might want him to put my Eaton back in if he replaces the housing and refurbs it and I'll give him the Yukon back. He seemed to be ok with that. I just want to be certain it's the diff and not something else before I do anything.

Yukon Duragrip vs Eaton Gov Lock

96-2D-Hoe

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