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4WD or transmission problem?

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Old 02-21-2011, 06:38 PM
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Default 4WD or transmission problem?

So the recent snow in MI made me use my 4HI. Everything was fine for a day then today I went to make a I Turn and heard a loud clunk noise. I tried to give it gas but it just revved.
Put is reversed just revved.

The truck drives fine in "1" an "2" but no "3" or Drive or reverse. Put it back in 2WD same thing. Truck won't go in 4wd low. It tries to but won't engage. I put the truck in reverse and it feels like it engages but revs and seems like it tries to go forward but won't move

Drive is just dead as well as "3"

Truck is an 05 Z71 5.3 ECSB 130,000 miles trans has never been rebuilt..
Sorry for the vague scattered info I'm about to get on a plane just trying to get some info while I'm in the air.
Thanks everyone in advance this site is great.

Last edited by Static54; 02-22-2011 at 11:14 AM.
Old 02-22-2011, 08:58 AM
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Opinions, theories, thoughts, questions would be much appreciated.
I hate sending it to a tranny shop just to have them tell me the tranny is bad and it isnt. Im not big on Transmissions. If it is the tranny ill replace it with an FLT myself.
Old 02-22-2011, 11:11 AM
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Sounds like the trans took a dump
Old 02-22-2011, 11:15 AM
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Thanks. Im leaning that way too. Just had to leave in such a hurry yesterday didnt have time to look at it. Im kinda hoping it is then I can swap it for an FLT.
Old 02-22-2011, 06:11 PM
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anyone else?
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