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Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

If you drive a 4x2 Hilux, do NOT think you are not welcome. Post your questions here
Titos
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Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Titos » Mon Dec 26, 2011 5:43 pm

Good day,
I recently bought a diff,propshaft,gearbox & front diff from a 4x4 Hilux D4D D/C (2008 model).

Everything went smooth with the conversion from 4x2 to 4x4.The only hic-up be the center bearing brackets that needed to be moved backward.

The only problem i did encounter and not know how to solve be the "electrical plug" on the front diff to engage the front CV shafts and the two plugs on the gearbox, telling the "system" that the vehicle is now in 4x4 mode. (There is no "extra" plugs to do this)

Any help & suggestions will be appreciated.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby oom dan » Mon Dec 26, 2011 6:04 pm

thinus if you remove the auto lock hubs and fit ordinary asian manual free wheel hubs might work more of a shelp get used to it
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby AM Racing » Mon Dec 26, 2011 9:03 pm

There is a seperate control unit to manage the switching of all of this because there are limit switches in the diff to stop the motor once its engaged and vise versa. It would not be difficult to wire something up using relays
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Titos
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Titos » Tue Dec 27, 2011 4:45 pm

Thanx for your replies, maybe, just maybe some one already did solve this problem, lets hope that some will give us the answer.

Another question, why do Fortuners only come in permanent 4x4.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Blackadder » Tue Jan 10, 2012 9:54 am

Titos wrote:Thanx for your replies, maybe, just maybe some one already did solve this problem, lets hope that some will give us the answer.

Another question, why do Fortuners only come in permanent 4x4.


They don't
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Wave
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Wave » Tue Jan 10, 2012 12:43 pm

Blackadder wrote:
Titos wrote:Another question, why do Fortuners only come in permanent 4x4.


They don't


The 4x4 Fortuners are permanent 4WD, even the 2nd gear lever only shows 4H for normal driving

Surely Toyota would have thought that driving in 2H (RWD) would return better fuel consumption? (Like the Hilux can)
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Titos
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Titos » Tue Jan 10, 2012 6:16 pm

Good day to you all.

The Fortuner comes equipped with Full time 4x4, Torsen (torque sensing) limited slip differential and a dual ratio (high / low) transfer case. The diff is lockable too.

4x4 Drive Options:

Broadly, there are four options on the transfer box (smaller gear lever).

H : Default mode. Running in all time 4x4 with the center diff unlocked. This is what you will use 99% of the time. For tarmac use.

HL : 4x4 with center diff locked. 50:50 torque between the front & rear axles. Do NOT use this mode on tarmac (you will ruin the drivetrain). Best in slush, sand etc.

LL : 4x4, center diff locked, low ratio. Use in extreme offroad applications. Only crawling speeds possible.

N : Neutral. No drive provided to the front or rear wheels. Purpose is to serve as a bridge between High & Low ratio shifts.

All my 4x2 to 4x4 conversion problems is solved :mrgreen:

Thanx for all your replies.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby shadow14 » Sat Mar 31, 2012 6:51 pm

Hi Titos
I am new to the forum and its your artical that, made me join. I have a 4.0 v6 auto d/c hilux and wondered if i can also do the 4x2 to 4x4 conversion, do you think i could get away with all the stuff that you used for the conversion, reason for asking is the local 4x4 place here said i need the full front suspension aswell, is this true. Second question is what did your converion cost you and what did you do with old gear box.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby NBL 513 » Sat Jun 09, 2012 10:29 pm

Hello guys
I'm new on this & I just got me a 09 4x2 auto double cab hilux

Just like to know do I have to really do the conversion to 4x4
To go on the 4x4 trails ??
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby OOOOMS » Sat Jun 09, 2012 11:28 pm

NBL 513 wrote:Hello guys
I'm new on this & I just got me a 09 4x2 auto double cab hilux

Just like to know do I have to really do the conversion to 4x4
To go on the 4x4 trails ??
Most trails require 4WD. You could however attempt some easier trails but would most likely do some damage to your vehicle and environment as you would have to have more momentum going through obsticles. Al lot of trail owners would however not allow 2WD vehicles.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Mud Dog » Sun Jun 10, 2012 1:48 am

Agree ..... not adviseable to attempt a trail with a 4x2 that's intended for a 4x4 vehicle.

IMO it's a better all round option to sell the 4x2 and put the proceeds towards a good 2nd hand 4x4. The difference that you will pay in is going to be less than what it would cost to do the conversion unless you can source good 2nd hand parts and do all the labour yourself, and then you're still looking at a fair period of down time. Whereas, if you sell and replace, there is no down time and it's a factory fitment and no niggly issues afterwards.

;-)
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Titos
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Titos » Wed Jun 13, 2012 9:05 am

Good day Shadow 14 & NBL 513, yes it is possible to convert both your vehicles to 4x4. Unless you both did spend a lot of money on your vehicles eg. bull bar,wider wheels, canopy etc, i would rather sell my vehicle and buy a 4x4 like Oooms suggested.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby MikeNewc » Mon Sep 09, 2013 11:00 am

Hi Titos. Did you have any joy with the conversion. What were the difficulties?
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby MikeNewc » Sat Feb 22, 2014 1:05 pm

For the record, the conversion is possible. The biggest challenge was finding someone to build the harness linking the front diff and transfer box to the computer and instrument cluster. Minor challenges included lengthening the speedo wires, building a new prop-shaft carrier mounting bracket, accommodating the ABS, and the gear-lever opening in the cab floor. The front diff, side shafts & hubs, gearbox & shafts all fitted without problem. The donor vehicle was my 2.5 SRX single cab, which is now a working 2x4. The components donated were the gearbox, front and rear diffs and drive shafts, side shafts and front hubs, computer box & harness plugs.
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby walley » Wed Jul 29, 2015 12:34 pm

Hi there ! Could you please tell me if you manage to find out anything about the wiring on the front diff .
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby Toppie4x4 » Wed Jul 29, 2015 2:11 pm

Hi did you also have to buy a new speedo cable ( on the 2,7 it was to short)
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Re: Hilux 3.0 D4D D/C 4x2 to 4x4 conversion.

Postby MikeNewc » Thu Jul 30, 2015 9:17 am

Hi Guys.
I used an auto-electrician who was familiar with Hiluxes. He cut out the plugs from the donor vehicle and used them to make up a separate harness. He also lengthened the speedo cable.

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