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Rubicondon53 01-05-2013 07:15 AM

Noisy t-case
Last week we had our first snow covered roads in a number of years. So quite naturally I lifted my jeep into 4H. At about 35 MPH I noticed a very low hum coming from my 241 t-case. As speed increased the low hum raised in pitch. Still a low hum, but just not quite as low at 45mph. I changed fluid at around 50k miles, so at 91k miles I changed it out again. No help. Still the hum. I've never been in deep enough water to do any damage, so I am a bit puzzled. I had an old F150 that had the same type noise that developed at around 75k, and was still going strong at 175k miles when I sold it. Is this something to be concerned about? Thanks for all your advise and input.

Rubicondon53 01-06-2013 10:19 AM

Hmmmm,,, where is Jerry when I need him? ;)

outofmoney 01-06-2013 09:24 PM

Check the chain inside. They stretch and need to be replaced around 100,000 miles.

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