4x4 rumble?
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Senior User
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4x4 rumble?
today was the first time i really got to use the 4 wheel drive in my truck and i had a blast in the snow while everone else was stuck in ditches but anyway i noticed when the hubs are locked (wether the 4x4 is engaged or not) it seems to make a decently loud rumble noise. just wanted to make sure this was normal. thanks.
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Not normal.
Check all the front U joints back to the transfer case.
Also check the driveshaft to see if it is bent if the U joints are all OK.
Most driveshafts have a weight welded to them somewhere to balance it.
Possible the weight came off for some reason.
Check all the front U joints back to the transfer case.
Also check the driveshaft to see if it is bent if the U joints are all OK.
Most driveshafts have a weight welded to them somewhere to balance it.
Possible the weight came off for some reason.
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Joined: Jul 2007
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Originally Posted by rebuildman
Check to make sure the rear has oil in it. Especially if it's a TTB. When these rears burn up, they'll make a rumbling noise as you described.
so it probably wouldnt be the rear then would it?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
I think rebuildman meant check the oil in the front differential when he said rear.
Look at all the parts that are turning when the hubs are locked in that do not turn when not locked in.
One of them is your problem.
Look at all the parts that are turning when the hubs are locked in that do not turn when not locked in.
One of them is your problem.
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