4x4 PSA: Use it or lose it monthly reminder

5th Gens automatically lock the center differential when put into 4H or 4L except the Limited....You can exercise the actuators while stopped. If you listen carefully, you’ll hear them engage then just disable right after.

So I can just sit in the parking lot, and throw it in 4H, wait for it to enngage, and then switch back to 2H? Do the same for 4L and it will suffice as my maintenance?

I'm at ~1500 miles in my 18 ORP and haven't exercised the 4wd yet.
 
So I can just sit in the parking lot, and throw it in 4H, wait for it to enngage, and then switch back to 2H? Do the same for 4L and it will suffice as my maintenance?

I'm at ~1500 miles in my 18 ORP and haven't exercised the 4wd yet.

The OR models uses a lever so you may have less actuators than the electronically operated version. I do know there is an actuator on the front clamshell(diff) which engages 4WD. Because of this you may need to move a few feet to engage 4WD (the light may blink before going solid). And since you have a lever, you don’t need to go into 4L, as that is mechanically shifting something in the transfer case. If this is the case, the 4Lo light should go solid immediately and not blink maybe just a bit of grinding noise - follow the manual on how to use the lever.
 
Did this just the other day, found myself on a loose gravel road near work with noone watching me and thought, yeah its for maintenance.
 
Anyone get their 4wd up on a lift and 4hi doesn't move all the wheels? Even tho it says it is engaged?


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Anyone get their 4wd up on a lift and 4hi doesn't move all the wheels? Even tho it says it is engaged?


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If it's on a lift, my understanding is that you would need to lock the center diff to get all the wheels to spin.
 
Why tho?


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LOL

Our center differentials are Torsen which means, as I understand and I am no expert in this area by any means, that when unlocked, they are considered an open differential. Beyond that, I have no idea.
 
It was in the mid 70s today and I took the 4R for a drive while trying to actuate 4L. Must have alternated between 4H and 4L for about 20 times, and finally 4L kept flashing even though I switched back to 4H. Restarted the car with the light still blinking and shifted to D and heard and nasty crunch but 4L now works :biggrin2:. Goes in smoothly from this point on.
 
Just worked my this morning. Monthly phone reminder helps!
Shifted into 4wd in about 10 seconds and out again without issues.

Keep working em!
 
I’ve owned my ‘07 V8 4x4 since the end of Jan ‘18. 4lo never engaged. I read other members’ posts about “just keep trying” to get it to engage by selecting it over and over again. I tried and tried and tried from Feb 18 to Jun 18 but today it finally took. Feels good to see that 4lo light staying solid.
So for all those out there like me, there is hope for you yet! “Just keep trying”


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Haha, just went to a dealer and took an 06 sequoia out for a spin. It's got the same VF4AM electronic transfer case. I pushed the 4WD button and waited for like 60 seconds before it finally went into 4WD. It took forever to go back to 2WD as well. I made a comment to the guy showing me the rig, who used to be a Toyota mechanic, and complained about Toyota going to the electronic actuator instead of the lever. He said he spent 15 years at Toyota, and he never heard of electronic transfer case actuators going bad.

We cruised the lot and looked at a second Sequoia, same year, same actuator. It said in big letters on the window "bad transfer case actuator- waiting repair"

He said again he's never heard of them going bad, and told me it was an internet myth. I said "50% of of the Sequoias on your lot have a transfer case actuator problem, and you still don't believe me?"

Decent guy, but it goes to show, do your own research before heading to the car lot. Also, remember to cycle your actuator when this thread pops up!
 

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