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Old 07-26-2006, 01:36 PM
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JamesDean JamesDean is offline
Electrical Engineer
 
Join Date: Apr 2005
Location: NE Ohio
Posts: 5,041
I changed my diff oil in my 300SD. I put in 75w90 synthetic. It whines when I let go of the throttle at a certain rpm. It doesnt really bother me all that much. I figured it was due for a change. I am almonst certain that in its 120,000 mile lift it has never been changed.

the diff in my 190E whines too. I dont really notice it that much thou. Mechanical health of diff is more important to me than some whining noise that can be defeated by accellerating or turning up the radio. imo.

kris
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