4LO Seems Sluggish

-06T4R-

New member
I bought an 06/6cyl/SR5 over the weekend and have been doing some heavy reading on this forum. (the vehicle is certified from a dealer I used to work for. Their reputation is so good that even after I was fired from sales I still bought 3 vehicles from them)

Problem:
I was testing the 4x4 system after I read threads about engaging it periodically to keep the actuator from sticking. Going into 4HI there was a delay, but after I did it a few times 4HI started engaging within 3-5 seconds. My experience was the same with 4LO, but it seemed really rough..... I did not feel the torque one would associate with 4LO (I was driving straight on dry pavement and did not break 10mph. I did this three times with a duration of about 10 seconds driving in 4LO). Honestly, it felt sluggish like power was not transferring fully, and shifting was pretty rough while in 4LO.

I don't expect anyone to diagnose a vehicle from the information above, but could someone give some info on what to ask the service center to look at? I would love to hear what some members think the problem might be.

This forum is excellent and I thank all of you in advance for any assistance.
 
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1st- Do not use 4lo on dry pavement. This is a great way to mess up the T-Case.

4Lo is for climbing/descending you are not going to notice much power on flat ground.
 
1st- Do not use 4lo on dry pavement. This is a great way to mess up the T-Case.

4Lo is for climbing/descending you are not going to notice much power on flat ground.

I agree, but I had to test it briefly to see if there were any problems. I don't ever tow anything, climb steep slippery hills or go off road. So this was really the only test for me.

I drove in a straight line up to 7mph for less than 10sec., wasn't out driving around in 4LO.... Hell, I didn't even turn the steering wheel.
 

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