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Front end clunk

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Old Jan 7, 2006 | 09:15 PM
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John Kiernan's Avatar
John Kiernan
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Front end clunk

After I lock my hubs and put my truck in 4WD I get a clunking sound when making sharp turns in like a parking lot for example. It happens after I disengage the hubs and put the truck back to 2WD. Dealer says of course they can't hear anything. What is this ?
 
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Old Jan 7, 2006 | 09:57 PM
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Hayapower!'s Avatar
Hayapower!
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From: CA
Manual T case/hubs or ESOF.. Auto lock..

If ESOF, sometimes you'll need to engage/dis the tranfer case a few times followed up with a series of backups to ensure disengagement of the auto hubs.. EVERY time I use 4x4 I 'manually' check for hub release by reaching under the truck and giving the axle/u joint a slight rotation.. Mine was at the shop for some warranty work and they happened to lock mine (T case) and it never released until I happened to notice it in a parking area making hard turn/s many days later.. Kind of a problem of the beast for some at times.. Manual Tcase/hubs shouldn't be an issue as far as unlocking...

................HP............
 

Last edited by Hayapower!; Jan 7, 2006 at 10:26 PM.
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Old Jan 8, 2006 | 09:20 AM
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John Kiernan
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I have the manual front hubs with the selector switch inside the cab 2WD, 4WD, 4 Low.
 
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Old Jan 8, 2006 | 09:54 AM
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Originally Posted by John Kiernan
After I lock my hubs and put my truck in 4WD I get a clunking sound when making sharp turns in like a parking lot for example. It happens after I disengage the hubs and put the truck back to 2WD. Dealer says of course they can't hear anything. What is this ?
It's the front u-joints binding, Even with manual hubs you should unlock them then back-up 10-15 feet or so maybe even a couple times to get them to dis-engage. Sometimes they with unlock right away but somtimes not.
 
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