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Chevrolet/2002 Chevrolet Tahoe humming noise in 4 wheel

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Question
Can you tell me if there has been any problems with this year Tahoe with the 4 wheel drive. When the vehicle is put into "Auto" 4 wheel or 4 high and you step on the gas, there is a humming noise that seems to come from the front end of the vehicle. When you let off the gas, the noise almost goes away.

Any thoughts?

Thank you,

Bob

Answer
Hi Bob;
       I do not know of any call backs on the front ends , I have a silverado and mine too will hum , as long as your fluid is full and there is no clunking or clanking etc. it should be fine. also on dry roads in 4 whd  some chevys do that , and when turning also , I think it is nornmal for them.Again as long as the fluid is full and there is no sounds or burning smells or any  thing out of the normal .
as 4whd repair work is not cheep.And when in 4 whd the speeds should not be that hi.  

Chevrolet

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Roger J.M. Warrington

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I can help you with most standard type things from 1955 chevys up to around 1975 (1975)>> chevys in differnt areas. engine work heads-cams-trannys-drive train-brakes-some elect. dos and donts. PS UP TO 1975 !! !!!!!!!!!!! I will try with any others after that date. state up to 1975 but I still get 2006-007 etc. I guess you do not read this far ! !

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All i can remember growing up is working on cars and making them loud and fast , and when i started to make money i would sink all of it into my cars so i could get them to go faster and look great. what else is there !I would love a challange to trouble shoot, as it is fun finding what is wrong when all others can not .ON the older cars not past 1975s , etc. so please I will try to help with the newer cars but do not grade me bad if I can not help your 2006 car.etc.

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