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Lau

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  • "Lau" started this thread

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Date of registration: Sep 25th 2013

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1

Wednesday, May 28th 2014, 1:53pm

4H, 4L & Difflock

Hi there!
For interest sake, where and how would you use the different Four wheel drive settings driving your Tuna?
When exactly will you lock central diff, using 50/50 power instead of 40/60? When carrying a heavy load (trailer etc.) uphill tar/gravel?
Also when is it difficult to turn when central diff is locked, what does it do to the front wheels? Also locks the front diff? ?(

Low range is pretty simple, you engage when you see "kak" ahead :minigun:
Fortuner 2008 4x4 3.0l d4d

Slow

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2

Wednesday, May 28th 2014, 2:07pm

I always use 4H on gravel roads.
My moto is, got it use it!
Diff lock, back wheels only when needed.
Front diff can not lock!


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Als

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3

Wednesday, May 28th 2014, 2:50pm

Slow, what would be the recommended/adviseable speeds for 4H ?

Slow

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4

Wednesday, May 28th 2014, 3:06pm

As fast as you want to go!

My speed on gravel is 80km/h.
If I am in a hurry 110km/h.

It also depends on the road condition.


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5

Wednesday, May 28th 2014, 4:02pm

The road condition and wheather condition dictates the speed you travel and also your personal experience.

Gravel use your 50/50 that is why it is there
WIE PROBEER EN MISKIEN MISLUK IS BETER AS IEMAND WAT GLAD NIE PROBEER EN ALTYD MISLUK

:popcorn:

Tal

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6

Wednesday, May 28th 2014, 8:43pm

Dont use 4hl on tar! Never! You get axle windup! I dont use mine that often, cause I know the roads well I travel on... but yes, unfirmiliar roads, I do engage, give you a bit more stability!
Difflock, most of the time on a steep downhill as this disengage abs and you dont want abs kicking in when you need to stop!
Youll also use it whe 2 or more wheels loose traction! Dont engage while spinning, rather slow down the wheels or stop and engage
I always try and go as far as possible without using my diff lock, this teaches you to pick better line and also that man-machine feeling is increased!
:beer: WHY???? BECAUSE I CAN!!!! :beer:

prawn

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7

Thursday, May 29th 2014, 8:22am

man-machine feeling

jy klink nou soos Andre :rofl: :rofl: :rofl:

AmadaXtreme

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8

Thursday, May 29th 2014, 8:41am

I dont think I have used 4HL once..... 4H works 100%..... and 4L only when going serious 4x4-ing
AmadaXtreme Suspensions
Diamond Park nr2, 86 Jakaranda Str, Hennopspark, Centurion
S25°51'50.2 E28°09'58.2

Cobus 071 641 7947 cobus@amadaxtreme.co.za

FoX

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9

Thursday, May 29th 2014, 3:20pm

I might be wrong here, but in 4H your centre diff will be open and if a wheel looses traction your limited slip diff will try and stop that wheel from spinning, after a while will the oil in the gearbox not get to hot and the limited slip will fail?? As far as I know it works almost like a clutch and it gets tighter and tighter to prevent wheel from spinning?

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FoX

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10

Thursday, May 29th 2014, 3:21pm

And thats why I normally lock to 4HL on gravel and when 4x4ing

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Tal

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11

Thursday, May 29th 2014, 4:09pm

Works with the brakes, brakes will be applied to the wheel that. Looses traction, to in a sense fool the diff and send power to the other wheel
:beer: WHY???? BECAUSE I CAN!!!! :beer:

Slow

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12

Thursday, May 29th 2014, 4:28pm

Quoted

Works with the brakes, brakes will be applied to the wheel that. Looses traction, to in a sense fool the diff and send power to the other wheel

Not on the 2006 & 2007 Tuna!
No TC.


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13

Thursday, May 29th 2014, 5:36pm

06 and 07 still have a limited slip diff

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Slow

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14

Thursday, May 29th 2014, 6:02pm

Quoted

06 and 07 still have a limited slip diff

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That is true!
I still like to use HL on gravel roads.


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FoX

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15

Thursday, May 29th 2014, 6:29pm

Me 2

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Alfortuner

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16

Friday, May 30th 2014, 6:24am

I also found that HL works well on very muddy roads and snow - much better grip.

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