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Re: Auto 4wd
In auto mode it should transfer power to front or rear as needed.
But you say the front stills pulls.
If it pulls enough in front to keep you from getting stuck it may be OK.
They also need proper service with the proper fluid like the GM transfer case fluid.
Has you ever been serviced?
How many miles on it?
Any check engine or transmission or transfer case lights on?
You can also check for problems with a transfer case/transmission capable scanner.
Post back any codes.
MT
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Remember proper testing gives us the answer to many problems.
MT
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