PSA: Exercise your 4WD and Locker

tystaco

New member
Most of us know this, but I just want to reiterate all of the joy you get from exercising your 4WD and E-locker for the general road warriors. FSM recommends something like 10 miles per month, but I find that just shifting it in for short sections every few works well too.

A. Your actuators will thank you, and they will be happy, which means your system will engage and disengage smoothly. (I personally have worked out an uncomfortable clunk when disengaging my Tacoma 4WD after just a couple of cycles in and out over the past few weeks, as well as my rear locker goes in and out buttery smooth without needing to roll in reverse. Not to mention getting my wife's 4runner, which the PO never put in 4WD, to go from a blinking light to solid (trying to engage to actually engaged) in all situations in the matter of a couple seconds compared to minutes after only a couple weeks of exercise each morning)

B. You'll get practice using these systems, so if you find yourself in a ditch or offroading for the first time, you'll be well versed in what your machine should do/act when entering or exiting 4WD or locked.

C. You'll be driving on a gravel, dirt, mud, or otherwise unpaved surface while doing your 4WD/Locker calisthenics, and that just generally brings more joy to your life.

I need to do the "gray wire" mod on my wife's 4runner, which I think is actually the orange/blue wire mod on 4runners, so I can easily stretch out her rear....locker. I've just ignored doing it even though it is a super simple and super useful mod. So once done, I expect a few days of stretching and the system will be happier than it has been since rolling off the lot.
 
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I know this post may seem silly, but literally 30 minutes ago I was marveling at how great my systems are working while rolling down a gravel road sniffing the air for odors from the landfill I work at compared to 8 months ago when I was being a total uninitiated turd that did not take good care of his stuff and just expected it to work.
 
When I bought my 4th gen I was unfamiliar with how the 4wd system worked and failed to test the center diff lock.

Thankfully I had bought an extended warranty. Was a $2500 "Holy Shit" moment.

Great advice. Actuators need to be exercised!
 
I read that in the manual when it was new & have been doing it ever since. I dont know how you could own a 4WD & never use it. I guess if you live somewhere where it doesn't rain or snow but why even buy one? Buy a car or mini van then. LOL SUV's w/ 4WD have a big markup & you're wasting money buying one & not using it.
 
I dont know how you could own a 4WD & never use it.

In my younger days, I would drive as long as I could without needing 4WD and would claim that if you need 4WD on the road, you shouldn't be driving in those conditions.... Well, now I recognize that I feel a lot safer driving the same, slower speeds & more stopping distance, but while also engaged in 4WD.

4WD is wasted on me out west though... I seriously need to learn some trails in this neck of the woods... weather is never bad enough for 4WD.
 
Good stuff. I'll do it on my way home from work today. Was going to wait for a nice Chicago winter storm to use it for the first time.
 
Good stuff. I'll do it on my way home from work today. Was going to wait for a nice Chicago winter storm to use it for the first time.

I don't think mine had been in 4wd in years when I bought it. It took a lot of shifting in and out of 4wd in my driveway to get the actuators unfrozen enough to shift reliably.
 
Good stuff. I'll do it on my way home from work today. Was going to wait for a nice Chicago winter storm to use it for the first time.

Depending on if you have the AWD (with center diff lock) or standard locked 4WD, running your AWD rig on dry pavement is no issue at all, and I highly encourage during it before winter if the rig is new to you. Don't panic if it takes a little bit to lock or unlock.

If you can't get to dirt, and have the center locking differential to go into locked 4WD...you can engage and disengage in a straight line with no ill effects on pavement...you can even drive on pavement in locked 4WD but you will get a lot of lurching and I wouldn't recommend doing it for long periods...so if pavement is the only option in Chicago-land...just go back and forth straight in locked 4 to work your center or rear diff.
 
One has to be cautious when folks include the line "4wd has never been used" in their CL ads. They are being truthful more than likely but such proclivity can be a nightmare for the future owners.

If one buys a 4wd vehicle and never uses 4wd, then why buy a vehicle with it when a 2wd model is cheaper to own. That I don't get unless one is a soccer mom with a Landcruiser or Lexus G or L SUV series.
 
Also, you CAN exercise your 4WD systems (even low range and the locker) in paved conditions if you are driving straight. Slight turns are ok, just don't be driving in and out of driveways or in parking lots...

You still need to stop for low range, but other than that... go for it.

During times I don't get to dirt, I shift into 4WD when getting on the freeway for 3-4 miles on the way to work once or twice a month. (standard j-shifter, so no actuators other than ADD, but it still needs to be driven 5-10 miles a month in 4WD to keep everything lubed)

-Charlie
 
One has to be cautious when folks include the line "4wd has never been used" in their CL ads. They are being truthful more than likely but such proclivity can be a nightmare for the future owners.

If one buys a 4wd vehicle and never uses 4wd, then why buy a vehicle with it when a 2wd model is cheaper to own. That I don't get unless one is a soccer mom with a Landcruiser or Lexus G or L SUV series.

The thing I don't understand is those G-wagons with 22" wheels. I saw one yesterday parked outside the grocery store. There are a few of them around here, driven by extremely high maintenance looking women. I mean those things have front and rear diff lockers standard I believe. Although someone at my kid's school has a really nice built Land Rover Defender 90 which cancels out the 22" g-wagon :thumb3:
 
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The thing I don't understand is those G-wagons with 22" wheels. I saw one yesterday parked outside the grocery store. There are a few of them around here, driven by extremely high maintenance looking women. I mean those things have front and rear diff lockers standard I believe. Although someone at my kid's school has a really nice built Land Rover Defender 90 which cancels out the 22" g-wagon :thumb3:
It's worse than that: GWagens have 3 diffs and 3 lockers. But low profile tires on a 4WD are senseless and stupid...oh...wait...look who's driving it!
 
I'm paranoid that my elocker actuator has water in it. So many of them that stop working have water in them, and it eventually corrodes things until they don't work.

But it's a PITA to take off since I live in the rust belt, and it's probably stuck onto those long studs. And I might break it taking it off. And it's working now.

Just a nagging paranoia.
 
I'm paranoid that my elocker actuator has water in it. So many of them that stop working have water in them, and it eventually corrodes things until they don't work.

But it's a PITA to take off since I live in the rust belt, and it's probably stuck onto those long studs. And I might break it taking it off. And it's working now.

Just a nagging paranoia.

When I first got my 04 Tacoma in 2010, I couldn't figure out why the locker wouldn't work...read on the taco forums and found that the way they attach leaves a shelf between the actuator and diff housing....collects mud and water and rots through the actuator.

This happened to me...it sucked. One guy was able to refurb his and sealed it up with fiberglass...I couldn't free mine up for the life of me and half the side of the actuator was rotted through.

Keep it working, and keep hitting the bolts for a few weeks with PB and see if you can get that sucker off of there. Hopefully you'd just be patching a hole IF there is water in there, I'd be hopeful since at least it is still working. I paid $600 from Amayama for a replacement a few years back.
 
When I first got my 04 Tacoma in 2010, I couldn't figure out why the locker wouldn't work...read on the taco forums and found that the way they attach leaves a shelf between the actuator and diff housing....collects mud and water and rots through the actuator.

This happened to me...it sucked. One guy was able to refurb his and sealed it up with fiberglass...I couldn't free mine up for the life of me and half the side of the actuator was rotted through.

Keep it working, and keep hitting the bolts for a few weeks with PB and see if you can get that sucker off of there. Hopefully you'd just be patching a hole IF there is water in there, I'd be hopeful since at least it is still working. I paid $600 from Amayama for a replacement a few years back.

wow 600 for the actuator, I guess new. Better keep an eye on mine and keep it clean

and totally agree on keeping the systems all working and using often
 
I do engage 4H for a few minutes on a straight section of road every week or two. 4L not so much, must make a point of doing that. Apparently La Niña is coming back this winter so may get some snow to drive in like last year.
 
This is a great thread. I'm guilty of not doing this as often as I should, the 4runner is primarily driven by my wife and we don't get any snow where I live. Took it out this morning and everything is working properly. Good reminder to do this MUCH more often.
 
When I first got my 04 Tacoma in 2010, I couldn't figure out why the locker wouldn't work...read on the taco forums and found that the way they attach leaves a shelf between the actuator and diff housing....collects mud and water and rots through the actuator.

This happened to me...it sucked. One guy was able to refurb his and sealed it up with fiberglass...I couldn't free mine up for the life of me and half the side of the actuator was rotted through.

Keep it working, and keep hitting the bolts for a few weeks with PB and see if you can get that sucker off of there. Hopefully you'd just be patching a hole IF there is water in there, I'd be hopeful since at least it is still working. I paid $600 from Amayama for a replacement a few years back.

Is it the same on 4runners? The plastic cover over the fuel filter/line is called a transmission cover in the catalog, I think it's meant to stop mud and snow getting up there. Mine broke off years ago though.
 

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