5 Reasons to Lock a Centre Differential Off-Road
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- Опубліковано 5 сер 2024
- Why should you lock a centre differential off-road. In this video we look at 5 different scenarios when you should have the differential locked off-road.
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![SUZUKI GRAND VITARA [Extreme OFFROAD TEST]](/img/n.gif)
Excellent! I was very familiar with Open Diffs, LSDs, Brake Lock systems (Traction Control), and Lockers... But finally found some qualitt material on Center Locking Diffs. Thank you! Cheers!
Glad you found the video helpful!
Great video. I had never thought about the vehicle being able to slip when jacking up without having CD locked.
It's one to watch out for!
Superb little video. I've watched quite a few on this subject and this has been the easiest to understand with the help of the demonstrations.
Thanks mate!
thank you for nice quick summary and examples!
Glad you liked it!
Ok good explanation, about time Suzuki’s got a look in the only real mid size 4x4 with low range,thanx
I agree, we've also taken out the local club's 4x4 driver skill competition with it for the last three consecutive years!
Much to the chagrin of the other full size 4WD competitors there :)
Great explanations. Especially liked the overhead view of the turning radius.
Thanks, glad you liked the video!
Well done clinic on this subject. Thanks!
Cheers!
Thanks for such an informative video with visual reference. 👍
I'm glad you liked it!
Thank you, very well illustrated.
Glad you enjoyed it!
Excellent video & clear explanation - it is Sep 2022 but this video is the best I have seen on centre diff locks !! thank-you
The principles remain the same! thanks mate.
This will be a helpful video for many people. Cheers.
Glad you enjoyed it!
Thanks for detailed explanation with demos.
You're welcome! Glad it helped.
No b.s tips here!
Just did moreton island in unlocked 99 percent of the time. Yes got bogged with a camper trailer 1400+kg...love your tips backed by your tests!
Cheers, glad you liked it!
I known only first one. Others are my new to learn. Thanks!
Glad you liked it!
Awsome vid...comments are informative, too... VID SAVED....
Thanks, glad you liked it!
Very informative mate! 👍
Cheers!
Thank you! Good info!
You're welcome!
good examples, thanks
Glad you liked it!
Good video.. Great t-shirt! Greeting from Southern California.
Thanks!
Great video Simon
Thanks mate!
What a fantastic video.
Thanks!
I learnt something today.
Any day you learn something new is a good day!
Excellent video. I thought I knew it all.....but I don't. Thank you!
Cheers, glad you enjoyed the video!
Great video
Thanks!
Useful thanks.
Glad you liked it!
Thank you from KSA.
Thank you!
Thanks !!!
You're welcome!
Thanks for the video. Doing a hill decent using engine braking (1st low) can get very exciting if you don't have your centre diff locked and you lift a wheel. You will fine the lifted wheel spinning backward and the vehicle desending down the hill a lot faster than you wanted.
It certainly will, just like jacking up a wheel without the centre diff locked, all of your engine braking will be gone!
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Nice video. I usually don't engage the center diff off road unless in a real 4x4 situation. I learned a few things from your video. Tnx
Thanks for the kind words, there seems to be an aversion out there to locking in the centre diff off-road, the fact that some car owner manuals tell you not to unless your stuck doesn't help...
I go fishing regularly and had a Grand Vitara 4x2. Can't tell you enough how much I wanted the 4x4 and finaly have it! How about wet grass and mud? Does the center diff lock help a lot?
Usually the difference between getting stuck and driving out under your own steam! Yes, plenty of difference!
I like his car. Nice bumper and wheels. Now Grand Vitara look like bro from Land Cruisers and not small baby 🤠💪
It's a great little shopping cart! We usually use it for sand driving, as it's reasonably powerful, light and has an automatic transmission.
Great video! Im getting a Grand Vitara 4x4 2.4 petrol with manual transmission. How much did you lift yours? Love the BFgoddrich tyres too. How about a 2" lift with 255/70/R16?
The SVG has a 40mm Dobinsons lift and 245/75R16s The fronts rub very slightly at full lock when the suspension is working.
Thanks 👍
You're welcome!
Do u recommend locking the center deferential Lock while driving on desert or very deep sand in my Toyota Prado 4.0?
Yes, any time you're not on a hard surface.
Did you have to modify the SGV after fitting the 2" lift and bigger tires? Like Computer work or ingeneering?
There are allowances under the local road authority for mild modifications without an engineers approval. Both the tyre height and suspension lift fall within these limits.
I generally keep the CDL on my Disco 2 locked when I am off road. Though I will unlock it to make a tight turn. The turning circle of the Disco 2 with the Diff unlocked is so crap, its like the turning circle of a boat. With it locked, its unspeakable!
Sounds like a LandCruiser 79 in 4WD!
@@LockyourHubs4WDing Its genuinely terrible. Though because I do this, I have never had any issues with transmission wind up so far...
Nice learn.
Cheers!
Would adding a front and rear locker be overkill if already equipped with a center diff lock? I know it would depend on the type of driving and other variables, but wondering about the stress on the drivetrain mostly.
It depends on the terrain, suspension and if the car already had effective brake traction control or not.
Gotcha. The cars my daily driver at the moment, pretty standard in its current form other than a suspension lift and 33” A/T’s. My goal is to work up to some decently technical stuff in the future (MOAB/Rubicon type trails) once I’ve developed some more skill driving off-road. My 2002 4Runner has a very early version of ATrac, but hasn’t been exactly effective in some situations that I’ve found myself in so I was thinking a mechanical solution might be more beneficial. Thank you for the quick reply!
Hey mate, best video I’ve seen on center diff locks.. I’ve just bought a Pajero Sport which has 4H with center diff locked and 4L with center diff locked, plus rear diff lock button too... there’s almost too many choices, do I do most off road driving in 4H locked center unless it gets really hairy and only then put on the rear diff lock? Do you have any rule of thumb about when to use rear diff lock?
G'day Alex, you're in luck I was only driving a Pajero Sport the other day.
For everyday road use on hard surfaces, I would use 4H. On loose surfaces, like high speed dirt roads and beaches below the high tide mark (anywhere you're going to be doing over 50 or 60kph) use 4Hlc, it'll give you more predicable handling etc. For steep tracks etc. you'll need 4Llc (Low range)
The Pajero Sport is a little unusual in that when you engage the rear diff lock, it cuts brake traction control to the front wheels. So when you're heading up hill, considering the Paj Sport's great traction control, I would leave the rear diff lock dis-engaged, so you maintain traction control to the front wheels.
Going downhill however, as long as there are no hair pin bends, I would engage the diff lock. Here's why, in undulating terrain, when one of the rear wheels get light if you're either braking or driving through the brakes, the light wheel will skid and allow the other wheel to accelerate shooting you faster down the hill. With the rear diff lock engaged, it'll force both rear wheels to turn at the same rate, regardless of load or amount of brake applied, so you won't go skidding down the hill in undulating terrain, giving a much more controlled decent.
Don't forget to make sure ESC is turned off in 4Hlc if you're doing any beach exits or dune climbing etc. Otherwise when the car moves around a little the ESC will think your skidding and cut throttle and apply brakes, usually leaving you bogged on the beach exit!
Hope this helps.
Lock your Hubs 4WDing awesome info mate thanks for the reply! The cars are crazy smart nowadays with their electronics.
I think I’ll have to do some playing around... so you wouldn’t advise keeping the rear locker on all the time when off-road??
I plan to do most off-roading in 4Hlc and then goto low range when it gets softer or steeper.
How did you think the PS performed off-road when you were driving it?
Can i use diff lock n traction control at same time while driving in desert at 80 km speed..???..pls reply me ...am a new driver to desert
Any time you are on a loose surface (including desert driving) the centre diff lock should be on, regardless of if you have traction control or not.
Can i use diff lock in 80 km speed at desert drive??
Sure can!
For jacking up, did you apply hand break or P position?
Park brake was off and transmission in park.
Welcome done！ Simon👍
Thanks mate!
Is that vitara fully independent suspension? :(
Sure is.
Hi saw you installing recovery points on brolga enterprises video, thing is ,
I need to know if they are ok,also wonder why they are twice the price of other recovery points,
They are properly rated recovery points, I've actually got a copy of the engineers report!
The reason for the cost will be the limited number of units the manufacturer will be able to sell.
If you were to manufacture a recovery point for a popular vehicle, let's say a gu patrol. You could reasonably expect to sell thousands of units, and the development costs that would be about the same for either, could be spread over thousands of units as opposed to hundreds.
I'm just happy a manufacturer was able to justify making them for the later model GV, there are no other recovery point options.
What should be my speed at central difflock being engaged?
If you're on a loose surface and going straight, you should be able to lock the centre diff at any speed.
Great video 👍🏼 I’m confused though.. so with Diff lock ON you can make a round turn just wider.. but only off road.. did I get it right?
100% correct!
@@LockyourHubs4WDing thank, appreciate the reply. Cheers
Is it the same when there is na electronic differential lock?
Centre diff lock?
hey man my car has to climb stip hils every daybut i only have to use 2 wil drive i have 4 whel drive and cener dif but my car can make it up the hil whitout uising it
You'll do it more easily with the centre differential locked.
Thanks for the informative video, I have a question:- can there be a mechanism where the car is all wheel drive for a certain speed like upto 40 kmph and then the front wheels disengage and car become RWD ?.
None that I know of, some are rear wheel or front wheel drive until traction becomes an issue then the computer engages the other wheels usually via an electronic clutch.
Mitubishi's 4WD system can be both rear wheel drive and all wheel drive on road, but you would have to switch over manually.
@@LockyourHubs4WDing thanks for the feedback.
There is, IIRC, the Ferrari FF, which is AWD up to something like 50mph (I think). Then the fronts release and it becomes RWD exactly how you've asked about.
There may very well be others, but none come to mind atm.
@@striAKer139 I think also Renault duster is AWD for upto 60 kmph then it becomes FWD after that.
I have got a Mitsubishi Pajero 2007 with a Super Select system. It allows you to drive full time 4x4 on both hard and gravel surface. You can also switch between 2H, 4H, and 4H central lock up to 100km/h, no need to stop the car.
Good video, I learned a lot. Andrew St Pierre White from 4XOverland recommends locking the center diff as soon as you transition from tarmac to gravel, rock, sand, mud, snow.
We definitely agree, as soon as windup isn't an issue (Any loose surface) lock in the centre diff!
Lock your Hubs 4WDing if you could make a video showing techniques for open front and rear differential driving techniques, that would be great!
Is it okay to lock your center diffs when driving through hilly sand dunes with lots of turns? I’ve heard that’s it bad to do lots of turning with your center diffs?
Thanks mate
Because of the wheel slip that the sand allows, there are no disadvantages (other than a very slightly increased turning circle) to having the centre diff lock engaged.
You'll have to spin at least one wheel on each axle before you'll be bogged with it engaged.
My rule of thumb is, if it's not a hard surface, (like bitumen or concrete) the centre diff lock is in!
Awesome mate thankyou!! Love how you reply to us 4wd novices! Learnt a lot from your videos 👌🏼
Cheers!
Hey mate last question!
Regarding rear diff locks in the Paj Sport, if driving through dunes and sandy hills would you leave them off until you came to a big hill or deeply rutted track and only then turn them on, then back off once you’re over the dune
Is it bad to turn them on and leave them on as soon as you get off the bitchumen/concrete?
@@alexsallery with the Paj Sport, unfortunatley, they disable brake traction control to the front wheels (amoung other things) when the rear locker is engaged.
So heading up hills, you're best having brake traction control to both front and back wheels than only a locker on the rear in most circumstances.
Down hill, especially in undulating terrain, you're better off with the rear locker engaged as both rear wheel will be forced to turn at the same rate. This means one wheel on the rear axle can't lock up without the other, even if it's in the air and will give you a much more controlled decent.
With the rear locker on, don't forget it'll affect your turning circle, so you'll still be able to do a 90 degree turn, but hair pin bends will be out of the question.
Don't forget to disable the ESC when you're dune driving!
What is the tiresize and lift on the vehicle mate?
40mm lift and 245/75R16 BFG KO2 ATs.
In Prado 150 When I am driving in sand dunes what would be the best settings?
4H with central difflock
Or
4H without central difflock
With centre diff lock engaged, definitely.
@@LockyourHubs4WDing will it not damage the vehicle if driven like 3 to 4 hrs
@@kanevivalakane3699 not on a loose surface like sand.
If my car’s front two wheels are stuck in desert sand and both tyres are spinning but the car isn’t getting out, should I use the centre lock differential or the Rear lock differential?
Anytime you're not on a hard surface, the centre diff lock should be engaged. Then you would need at least one wheel on the front and one wheel on the rear spinning before forward momentum stops.
Great video.... Your hash tag is missing the R. 👍
So it was! Thanks.
Hi,
What should be the maximum speed when driving in 4H with central difflocks engaged?
If you're on an unsealed surface, normal driving speeds are fine.
@@LockyourHubs4WDing thanks ...unsealed here means tarmac?
@@taxidutta102 no, basically anything but tarmac. Dirt, sand, gravel, etc.
Great video.
Was just wondering if you consider unsealed roads as “off road”
Anytime I'm not on a hard surface like bitumen, I lock in the centre diff. So any dirt or gravel road, yes.
Greetings. Thanks for the video. I’ve just purchased a ‘22 Lexus GX (Prado in your neck of the woods). I’m installing an ARB rear air locker. The vehicle comes standard with with a center diff lock. Can I usage the two simultaneously….are their conflicts in doing so or otherwise redundantcy?
Hello nice video i have a question where did you get a diff lock for the grand vitara 2 ?
It's a standard centre diff lock. Not a cross axle differential lock. Though I understand Harrop engineering make an e-locker for the rear.
I am so confused why the wheels are locking after spinning out
When in the video?
That suzuki vitara is just amazing , we have a V6 similar one in family but he looks like a pussycat next your vehicle 😂😂😂
They're a great little car!
what is a max speed alowed with centre diff lock ? 8 km / h ?
There isn't a max speed.
@@LockyourHubs4WDing so, for example, I can drive in 4H, automatic shift in postion D, with center diff locked, up to 60 mph ?
@@LockyourHubs4WDing so the "wind up" is possible only if I unlock the center diff lock, but it is stil blinking ??
@@zvonimirivancic2078 yes, on a loose surface, you should be able drive at whatever speed you like with the centre diff lock engaged.
@@zvonimirivancic2078 wind up is really only possible on a hard surfaces like asphalt, or slick rock.
why is that vehicle revving so high?
When? Reversing back down the hill?
Yup..
Seems to rev high all the time.
That's a driving practice called "driving through the brakes"
Got it!
So.... it does absolutely NOTHING.
Absolutley nothing..... :(
Why would you want a WIDER turning circle? You can't just present this as a benefit when it is far from common knowledge why anyone would even want a wider turning circle!
9 mins I’ll never get back
You're probably right! :)