if the noise is from the case then you are going to have to get it overhauled, are u sure the driveshaft Universal Joints aren't the source of the noise?
I have a 1997 chevy cheyenne and while driving or idling the tach and speeedo will drop to 0 i...
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I have a 1997 chevy cheyenne and while driving or idling the tach and speeedo will drop to 0 i cannot figure out what the problem is when the gauges are working the tranny runs great but gets sluggish when this problem occurs i am wondering what the problem is