Prado limited slip diff

Submitted: Wednesday, Dec 22, 2010 at 08:12
ThreadID: 83182 Views:11946 Replies:5 FollowUps:5
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Just wondered how these operate. Considering something like an 06/07 model Prado, do they have a diff lock where you can select low range and/or diff lock?

Also, for models without roof bars, can a substantial touring roof rack (TJM/ARB) be fitted?
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Reply By: Capt. Wrongway - Wednesday, Dec 22, 2010 at 08:26

Wednesday, Dec 22, 2010 at 08:26
Hi Steve,
If you want specific info about all things Prado, you might be better off directing your questions to Pradopoint. I'm sure the guys here will be more than happy to assist you, but if you need specifics .....
Capt.
AnswerID: 439562

Reply By: dereki - Wednesday, Dec 22, 2010 at 08:44

Wednesday, Dec 22, 2010 at 08:44
Depends on the model and Manual/Auto.

Mine has a transfer case stick which has 4 positions... 4H (AWD mode), 4HL high range, locked center diff, and 4LL low range, locked center diff, and neutral.
So, no on my model you can not have low range with unlocked center.

Others have Hi/Lo/Neutral on the stick and a center diff lock button... (from memory)
I *think* you can in this configuration have Low and unlocked. But please check this with someone who owns one of these models.

Limited slip is with clutch packs, very basic and have a reputation of not being very good. I little bit of hand brake can help the packs engage apparently.

The higher model prados and vehicles with one of the option packs have traction control and open diffs. A pretty good system from all accounts. Basically if a wheel looses traction, the brake is applied to that wheel so it stops spinning. (Can be a pain in really soft sand, but removal of the fuse fixes that).

ARB make 4 touring rack models, in steel or alloy. Roof load limit is 100kgs so the alloy rack is popular otherwise 1/3 of your load is gone in the rack alone.

The roof bars or rails are easy enough to remove if need be.

Hope that helps.

D
AnswerID: 439565

Follow Up By: Steve - Wednesday, Dec 22, 2010 at 09:33

Wednesday, Dec 22, 2010 at 09:33
ah, hi-locked and lo-locked - that explains why I could'nt find a diff button - you'd think these clowns that sell them would know
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FollowupID: 711439

Reply By: Steve - Wednesday, Dec 22, 2010 at 09:30

Wednesday, Dec 22, 2010 at 09:30
thanks guys - should've mentioned, it's an automatic I'm interested in and the salesmen didn't have a clue re: diff locks. Always led to believe they were the duck's nuts off-road according to the mags/shows etc.

regarding the roof rails/rack, only the GLX upwards have the rails and I wondered if you could still put a TJM rack on - I'd only be carrying tents and sleeping bags etc.
AnswerID: 439567

Follow Up By: dereki - Wednesday, Dec 22, 2010 at 10:46

Wednesday, Dec 22, 2010 at 10:46
All of the touring racks bolt directly onto the mount points in the roof. The rails would have to come off, not a hard job, just a few plastic caps and bolts. Other option is to get the clip on cross bars and a platform/basket for the times you go camping. I like to take the roof rack off when not in use for clearance in car parks.

D
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FollowupID: 711454

Follow Up By: Patrol22 - Wednesday, Dec 22, 2010 at 13:37

Wednesday, Dec 22, 2010 at 13:37
Just remember folks that there are different diff locks and the term is not interchangeable.......the centre diff lock as is fitted standard in the Prado....and cross axle diff locks that are either factory extras or after market fits.
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FollowupID: 711468

Follow Up By: dereki - Wednesday, Dec 22, 2010 at 14:15

Wednesday, Dec 22, 2010 at 14:15
good point... to make things clear..

There are 3 diffs in the prado, front axle, rear axle and transfer case.
The Transfer case diff is required for on road use, since the car is constant 4wd.

Prado all models
- Center diff lock.. ie. transfer case diff. = 50% front axle, 50% rear axle.

Prado Limited slip diff models (GX, GXL, no options packs.)
- Rear (crappy) limited slip diff, no locker.
- Front open diff, no locker.

Prado Traction Control models (VX, Grande, or option pack.)
- Rear open diff, no locker.
- Front open diff, no locker.
- Traction control stops detected wheel spin via brakes. (quite a good system)

I think there is an option for factory rear locker somewhere... maybe Grande?? Not sure.

Axle diff lockers are available from ARB or TJM and others but are priced in the thousands of dollars.

D
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FollowupID: 711470

Follow Up By: Oztravellers - Wednesday, Dec 22, 2010 at 22:46

Wednesday, Dec 22, 2010 at 22:46
I have a 2000 Prado Grande Automatic. It has a push button on the dash that is supposed to lock all 4 wheels. I have never had to use it, so I can't vouch for its effectiveness.
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FollowupID: 711509

Reply By: Kimba10 - Thursday, Dec 23, 2010 at 09:13

Thursday, Dec 23, 2010 at 09:13
I have had/have 2 prados, both 90 series, one had the shift as described above.Series 0ne 96 to 99, 4H (this is were it sits for everyday driving) 4HL locks the output 50/50 then neutral, then 4LL. The current one I have Series 2, 99 to 03 has 4H,N,4L, I have a button on the right of the dash that locks and unlocks the centre diff lock, with the series two I am able to put in low range without locking centre diff which is great if reversing up steep hill witha load on. They didnt come with front or rear diff locks in Australia which with the centre of the front diff and the centre of the rear diff is locked together giving you true 4wd same power/drive to all 4 wheels, eg 80 series sahara had centre diff lock,front diff lock, and rear diff lock so 3 three buttons. Good quality roof cages can be fitted to all model prados, obviously mounted in a different way as the 120 prado upwards dont have rain gutters but mount to the fitments available up on the out edges of the roof where the black strips run along the roof line. Not sure if your looking at petrol or diesel but if looking at diesel and you can afford the extra $$$$ get the D4D not the 1KZ. Personally think the the 1kz is underpowered for the size of the 120 and no where near as economical as the D4D, even the V6 is fairly good the power and size. 179kw My mate has the petrol VX 06 model and running up and down the freeway from QLD to Sydney he 's getting 11.2 and 10.8's L per 100 with 6 on board and running the air obviously this is not using it in off road conditions where it would jump probably considerably I would imagine, our other frinds have the D4D and get in the low 8's freeway driving,My 1kz driving at the speed limits is around 10.2L per 100k sit under 100 and it will just crack the 10L per 100, drive it over the speed limit even say 115/120 will use more then my old V6 3.4 Regards steve M
AnswerID: 439628

Reply By: Chewy81 - Thursday, Dec 23, 2010 at 13:59

Thursday, Dec 23, 2010 at 13:59
I have the ARB rack mounted on my prado with that holds my roodtop tent in place. My manual says only 100kg load capacity (I have the 05 model) but it had no issues sleeping the missus and I thru our 1st trip round central oz.

ARB have a great range of roof bars available to suit pretty much every need. Only thing to keep in mind is that you can only fit a 3/4 size rack to the 120 series.
AnswerID: 439646

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