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Mike S.
Mike S., ASE Certified Technician
Category: GM
Satisfied Customers: 6825
Experience:  ASE Certified with 25+ years experience.
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Driveline vibration causing transfer case output shaft seal

Customer Question

driveline vibration causing transfer case output shaft seal to fail. I'm wondering if it's only the drive shaft that is out of balance, or if the bearings are trashed in there transfer case.. 02 sierra denali quadrasteer
JA: Are you fixing your Sierra Denali yourself? What have you tried so far?
Customer: just had transmission rebuilt. I recently replaced u-joints on rear drive shaft. Yes, I plan on fixing it myself.
JA: When was your transmission fluid last checked?
Customer: a few days ago, it's fine.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 3 months ago.
Category: GM
Expert:  Mike S. replied 3 months ago.

remove the driveshaft and take it to or send it to a driveshaft shop. I know there is one in Baltimore, Maryland on north point boulevard cause I took one there once and they will put it on the machine and spin it and check and then balance it if it needs it.

Expert:  Mike S. replied 3 months ago.

Did that answer your question? If so, kindly leave me a positive rating, so I get credit.