GMC Troubleshooting Questions? Ask a Mechanic for Answers
I am sorry your having this problem
in 2WD it will make this noise and the noise sounds like it is from the transfer case listening under the truck when its making this noise ?
or is this AWD all the time ?
if the truck is run up in the air is the noise from the transfer case or the front axle ?
ok and the noise is from the transfer case itself i am assuming ?
if that is correct there is a failure inside this transfer case more than likely
can you drain the transfer case fluid and see if the old fluid has metal in it ?
the front shaft should sin when the rear wheel speed is greater than the front wheel speed yes
if its not spinning the odds are the internal of the transfer case has failed
there more than likely is a failure inside the transfer case causing this issue
drain the fluid and look for metal in the fluid
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i agree i think it is the case also
how are you making out ?