2013 YukonXL 2 speed Transfer case change to 1 spd

[1stYukonXL]

I'm looking at what's involved to change from the 2 speed transfer case in a 2013 to a single speed and/or changing the existing 3.48 rear end gears to 3.08 for better milage. Anybody had any experience or advice with this?

 

[Fless]

Moved you here for more focused potential answers.

 

[petethepug]

Welcome from SoCal

I usually see owners swap’g the Denali & Esky AWD xfer case to the single or 2 speed cases. Yes, it can be done.

Obviously this isn’t exactly what you’re looking to do but it will have info and pics on what you’re getting into.

Keep in mind if you change the ratio in the diff at one end of the truck, you’ve got to match the diff at the other end.

The AWD to 4WD swap …

Denali AWD to 2 speed 4wd Transfer Case Swap.

Thought I would post a bit about my AWD to 4WD conversion on my 2007 GMC Yukon XL Denali. I like the AWD for snow driving, traction, etc., but wanted selectable 4 LO and being able to have 2WD for a little more daily, highway efficiency and donuts One other major downside of the AWD tcase is...

www.tahoeyukonforum.com

The AWD to 2WD swap …