Offroad Trailblazers and Envoys

Got stuck in water/mud.... water in transmission.

G80, GU6, GT4, GT5, WTF? This section is for gearing and driveline stuff.

by The Prez » Sat Aug 13, 2016 8:57 pm

Well I was going through some puddles 1.5ft deep with the kids splashing water and mud everywhere then hit a hole that was almost 4ft deep. I got stuck water to middle of and no way to move for about 4.5 minutes we sat there while the floor filled with water. Semi truck had to pull me out. Made it home checked all fluids oil is fine. Transmission was a pink milkshake :( .

I just need to know the steps to clean that crap out I bought 20 quarts of tranny fluid and have draind the 4l60e 2 times (4 quarts drive a bit then drain each time). Now trying anything to save the tranny am I pissing in the wind or should I keep doing what I'm doing and drive till she goes?

Also bought diff fluid can I use that in my transfer case Also?

Any and all help is greatly appreciated.
Thanks
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by Grimor » Sat Aug 13, 2016 11:04 pm

someone call the hippo...
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by mason10198 » Sun Aug 14, 2016 2:11 am

Crap... Not sure how much help this is, but here's how I completely flush my trans when I change the fluid. https://youtu.be/qvXzYlTHvow

Sent from my SAMSUNG-SM-G870A using Tapatalk
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by The Prez » Sun Aug 14, 2016 11:34 am

Thanks I'm watching it now
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by The Prez » Sun Aug 14, 2016 11:36 am

Is that you in the video?
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by TBYODA » Sun Aug 14, 2016 11:57 am

The Prez wrote:Is that you in the video?

No that's a member on GMTnation, MAY03LT, he's got some how to videos.
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by Trail X » Sun Aug 14, 2016 6:51 pm

Give it a really good flush and you'll probably be fine. Keep keen attention on the shifts, if it starts feeling funny in the least bit, check the fluid and maybe flush it again. Be sure to put a new filter in there.

Transfer case takes a special AutoTrak II fluid, do not use differential oil.
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by The Prez » Mon Aug 15, 2016 2:59 am

I watched a lot of that guys videos, didn't even look at the transmission one till you posted it. I went from a redish brown to a clearish red and that's after 20 quarts. I plan on doing it again till its clear but cash is tight right now. Also gonna change the diff fluid tomorrow.I'm gonna look into raising the vent tubes also.
I bought diff lube can I use that in the t case also?


Thanks for the help guys.
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by The Prez » Mon Aug 15, 2016 3:05 am

Just seen don't use diff lube thanks for the heads up
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by The Prez » Tue Aug 16, 2016 7:09 am

So for my differential plugs I'm gonna use a 10mm hex head bolt and 2 nuts to remove them has anyone tried this? :hmm:
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by KingBird » Tue Aug 16, 2016 5:10 pm

That should work, I've never tried it though. Perks of being a sparky, I always have the right size Allen.
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by The Prez » Thu Aug 18, 2016 3:13 pm

Everything looks to be good so far. The jam nut and bolt idea worked. Thanks for the help guys.
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