4 wheel drive

Ericbath · Feb 3, 2025

I have a 2012 Yukon SLT and when driving in 4 wheel I’m hearing a low winding noise. Was told the differentials are good meaning they have oil. Nothing noticeable in the handling of the vehicle. Any advice would be great

vcode · Feb 3, 2025

4 wheel Auto or 4 wheel Hi?

Ericbath · Feb 3, 2025

I’m thinking 4wheel hi, it doesn’t have a distinction between the two just has an

4

Big Mama · Feb 3, 2025

Did you check the fluid levels along with the transfer case? Are you in 4 hi or low when this happens and what surface are you driving on? There can be several reasons for this and not all are bad.

Ericbath · Feb 3, 2025

Regular surface roads during snow. What fluid levels? I got an oil change done

GMCChevy · Feb 3, 2025

Are the roads clear? You've got more going on in 4wd which can cause added noise and using it when not needed can add stress to it and make noises more noticeable.

Ericbath · Feb 3, 2025

I only use 4 wheel when on the beach or have snow covered roads

Fless · Feb 3, 2025

Ericbath said:
Regular surface roads during snow. What fluid levels? I got an oil change done

Transfer case fluid needs to be checked for level and quality of fluid. Is it full and what does the fluid look/smell like?

Ericbath · Feb 3, 2025

Last time it was checked they said it was good and full

Big Mama · Feb 3, 2025

Ericbath said:
Regular surface roads during snow. What fluid levels? I got an oil change done

You said you were told the front and rear differential fluids were good. I was asking if you were certain. Not all oil change places are honest.

4 wheel drive

Ericbath

TYF Newbie

vcode

Full Access Member

Ericbath

TYF Newbie

Big Mama

Full Access Member

Ericbath

TYF Newbie

GMCChevy

Senior Member

Ericbath

TYF Newbie

Fless

Ericbath

TYF Newbie

Big Mama

Full Access Member

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