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Water in transmission

 
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osmiumfoot
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Joined: 11 Jun 2002
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PostPosted: Thu Feb 07, 2013 8:53 am    Post subject: Water in transmission Reply with quote

I have a 94 Suburban with a 4L80E that has become a 94 Submersion thanks to some late night antics at the boat launch. The tranny has about 5k on a complete rebuild, and I'd like to pull it and use it in another rig, but am unsure how to get all the water out of it, especially the converter. If I drain and replace the fluid will the remaining moisture cook out or is this one a road kill?
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Paul P
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Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Thu Feb 07, 2013 9:31 am    Post subject: Reply with quote

How much water got in? That is the first question.
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2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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squeeezer
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Joined: 02 Mar 2007
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Location: new richmond WI
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1991 Chevrolet Camaro

PostPosted: Thu Feb 07, 2013 9:45 am    Post subject: Reply with quote

Do a complete flush (using a machine) and see what happens
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Paul P
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Joined: 15 Aug 2002
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Location: Townsend, Mass.
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1971 Chevrolet Chevelle

PostPosted: Thu Feb 07, 2013 11:45 am    Post subject: Reply with quote

Typically the water is at the bottom of the pan only but it really depends on how much got in and for how long. If it got hot with the oil in there it is a mess and flushing as squeezer said might be your only option. Pull the pan and see what is up. My wife's car was under water and strangely it did not have water in the trans just the crankcase of the motor.
_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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squeeezer
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Joined: 02 Mar 2007
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Location: new richmond WI
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1991 Chevrolet Camaro

PostPosted: Thu Feb 07, 2013 1:06 pm    Post subject: Reply with quote

Yes....the filter has to go.......and as always with these transmissions look for hard parts in the pan before you invest another dime in it
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clay
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Joined: 24 Nov 2002
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Location: South Carolina
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1972 Chevrolet Nova

PostPosted: Thu Feb 07, 2013 7:14 pm    Post subject: Reply with quote

Oooh - that sucks. I have rebuilt two transmissions that have had water in them. Ironically both were TH350's. One was a transmission cooler I assume and the other was similar to what you experienced. If the water stays in the pan you'll be o.k. If it gets to the clutch's it's game over. My opinion is the remaining water won't cook out like in an engine. I had some come apart in little chunks and some of them the paper came off the steel plate. I'd pull the pan and have a look first. Did it run at all after it got pulled out? If not you might be o.k. I don't know if the converter has a drain plug - probably not. That sucks it was a recent rebuild. For what is costs vs. a rebuild I'm for trying a pan, filter and flush first. Clay
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I have done so much with so little for so long, I can now do anything with nothing.
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af2
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Location: grassvalley, ca
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1933 Willys Coupe

PostPosted: Thu Feb 07, 2013 10:27 pm    Post subject: Reply with quote

Hit the trans brake for 15 seconds. Grantee there will be steam in there. Twisted Evil
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osmiumfoot
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PostPosted: Fri Feb 08, 2013 9:20 am    Post subject: Reply with quote

It went under while running and was submerged for about an hour (we had to finish the beer) so it has plenty of agua in it. On the stick the fluid has a nice pink opaque color to it. I haven't pulled the pan yet. It just sits in the side yard smirking at me. My wife thinks its very fitting that I have to walk past it every day: kinda like the albatross around the neck.
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10sec.et
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Location: Houston,Texas
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1969 Oldsmobile Cutlass

PostPosted: Fri Feb 08, 2013 1:22 pm    Post subject: Reply with quote

if you have any hope of saving that trans, you better get it flushed yesterday. the hard parts start to rust rather quickly. you wont know if you have any rusted bearings/races until you start driving it. i would change the filter and gasket. flush it, put 100 miles on it and flush it again.
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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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clay
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Joined: 24 Nov 2002
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Location: South Carolina
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1972 Chevrolet Nova

PostPosted: Fri Feb 08, 2013 6:40 pm    Post subject: Reply with quote

Rust isn't really the big problem, the paper clutch facings - well they do what paper does in water. That's one thing that amazes me about automatics - if you keep oil flowing through a clutch pack to provide cooling and lubrication they'll take about anything. Water however and it's over. I hope you can prove me wrong and save it though. Clay
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89Gmcsierra
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Joined: 28 Oct 2012
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Location: Hazleton, Iowa
2274.42 points



PostPosted: Mon Feb 11, 2013 3:18 am    Post subject: Reply with quote

https://www.youtube.com/watch?v=MsdPAadc9fY
I've flushed my transmissions few times this way. but now i have access to my dads machines so i go that route now. #1 rule dont let it go dry. personally i would flush first then drop pan change filter then refill.
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Paul P
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Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Mon Feb 11, 2013 12:11 pm    Post subject: Reply with quote

At least you can change the filter too. Unlike the honda it is easy to get to. thumbsup

I pulled something like this in a parking lot in CT once only because I had to get home. Left a nice stain...

_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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