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  #1  
Old October 17th, 2004, 20:54
wegfrog wegfrog is offline
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transfer case(?), loud clicking noise

When in 4 wheel drive and you hit the gas it sounds like my transfer case is making a LOUD clicking noise. Fluid was non-existant in transfer case(oops), re-filled it, and the noise is still there. Heard it might be the chain in the transfer case? Anything else? Is a chain replacement something a non-mechanic could do? Or could it be front differential making the noise that sounds like its in the transfer case?
thanks for any suggestions!
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Old October 17th, 2004, 21:36
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Fergie Fergie is offline
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Re: transfer case(?), loud clicking noise

Take your front driveshaft out to determine if it is the front diff or not.

A loose chain is ususally a sound akin to to driving or gravel. Also, when a load is on the case in 4lo or something like that, the chain will pop loudly as it slips over the teeth on the sprocket.

A chain replacement is pretty straightforward. Drain your t-case. Unbolt the back half from the fron. Remove the front and rear output shafts, remove the old chain, slip the new one on and repeat the first steps in reverse.

Fergie
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Old October 18th, 2004, 23:33
wegfrog wegfrog is offline
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Re: transfer case(?), loud clicking noise

Quote:
Originally Posted by Fergie
A chain replacement is pretty straightforward. Drain your t-case. Unbolt the back half from the fron. Remove the front and rear output shafts, remove the old chain, slip the new one on and repeat the first steps in reverse.

Fergie
thanks!

how do i know if it is the chain? since the transfer case was bone dry, i guess the gasket(?) went bad? I think i changed the fluid about 2-3 years ago in the transfer case.
also worried that more damage has been done to the transfer case, esp since i drove a couple 3 hour trips and maybe didnt have any fluid in there.
since i replaced the fluid, i still have that loud popping noise when i engage 4 wheel drive and give her some gas.....

thanks again.
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Old October 19th, 2004, 10:19
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Fergie Fergie is offline
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Re: transfer case(?), loud clicking noise

As far as I know, there is no gasket for the 231.

Try a search for chain and you will come up with a lot of ways to diagnose it. Using a search is how I came up with all my info.

From what I have read though, check for a gravel kind of sound when driving, and popping when in 4lo under a load of some kind, like turning on a dry surface or up a hill or backing up.

Fergie
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Old October 19th, 2004, 10:26
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old_man old_man is offline
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Re: transfer case(?), loud clicking noise

The ticking can be the chain just touching the case because it has been stretched from running dry. Put all 4 wheels on jack stands, start it, and put it in gear. Then crawl under. You should be able to find the noise.

The most likely ticking is from a u-joint, so don't jump to any conclusions about the tcase.
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