Rear Locker for prado

Submitted: Monday, Oct 15, 2007 at 18:09
ThreadID: 50582 Views:11503 Replies:7 FollowUps:14
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Pro locker or ARB ??? Only downside that I can see between the two is there are no seals on the prolocker and is a common problem on the ARB air locker (so the salesman says) Whats people's opinion ?? Regards Steve M
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Reply By: Member - Phillip S (WA) - Monday, Oct 15, 2007 at 18:22

Monday, Oct 15, 2007 at 18:22
Stephen, Why do you need a rear diff lock....does'nt your vehicle come with all that traction control stuff that allows you to climb any mountain, ford any stream and decend any crevasse....according to what I have read in 4wd mags, you should be right for any situation, particularly a "grande."...Phil
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Follow Up By: Member - Stephen M (NSW) - Monday, Oct 15, 2007 at 18:40

Monday, Oct 15, 2007 at 18:40
Hi Phil, I wish I had that sort of money to afford the 120 series grande, unfortunately mine is the 95 series with out all that brilliant gear. And as we know Toyota rear LSD's are crap especially with a few klm's on board so am going for a rear locker to compensate for the lack of a good LSD like nissans have. There is only $100 diff between the two, prolocker being the dearer one, but hopefully they will match ARB's price that I got today. The only reason I ask is that the pro locker has only just been released for the prado (so I'm told) and could be all sales talk but he did say the pro locker has no seals to leak ?? I know jack sh@t about lockers except they give you a lot more traction when needed. Im not going down the path of the lockrite as I want it either engaged or disengaged at my choice. Regards Steve M
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Follow Up By: Member - Doug T (Qld) - Monday, Oct 15, 2007 at 19:30

Monday, Oct 15, 2007 at 19:30
Phillip
Why are you enquiring about lockers. you don't need one ...??
Cough...Cough....
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Follow Up By: Wizard1 - Tuesday, Oct 16, 2007 at 08:59

Tuesday, Oct 16, 2007 at 08:59
Phillip,

The real term used in the Prado is Driver Assist Technology and NOT traction control. The DAT has nothing to do with added drive to all wheels on an axle when in difficult terrain.

The 120 series DAT provides assistance during high speed driving and uses the ABS to apply braking to assist with control. It will assist during off road operation but it is limited to slowing decent by applying the ABS.

It does not operate like a diff locker or provide additional motive effort or assistance by allowing both wheels on the same axle turn at the same speed. Most open or limited slip diffs provide power to the wheel with the least grip which is usually only one of them. A diff locker avoids this and gives better traction.
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Follow Up By: Member - Phillip S (WA) - Tuesday, Oct 16, 2007 at 22:14

Tuesday, Oct 16, 2007 at 22:14
er Wiz....was reading 4wd mag the other day...they did the the usual comparo...you know... they took a prado, a 100 series and a hilux....did all the usual stuff..however on the hill climb and the decent....the hilux FAILED because it did not have all the traction gizmo's the other two had...they did it with aplomb....so it sounds pretty well the same to me...wheel stars spinning and the traction aids grab it....must be hell on the disk brake pads....and you can turn them off and on, so it makes you look like an ace driver.....pajero's have them and who knows what else.....the hilux was flicking rocks in every direction and getting nowhere. With all these electronics gizmo's who needs lockers????
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Reply By: Member - Doug T (Qld) - Monday, Oct 15, 2007 at 19:28

Monday, Oct 15, 2007 at 19:28
Have a look here ,
Detroit Locker Automatic Locking Differential

OR

NoSpin Automatic Locking Differential

No Compressor nedded
No Airlines to get ripped off .
No wiring needed.
No Switches needed.
Always working 100%

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Follow Up By: Member - Stephen M (NSW) - Monday, Oct 15, 2007 at 20:26

Monday, Oct 15, 2007 at 20:26
Hi Doug, as said above I know little about lockers but have been told I cant fit either of these to the prado as it is AWD. Was told today by TJM that it will stuff the transfer case so I cant go down that road ?? Only what they have informed me ?? Regards Steve M
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Follow Up By: Member - Doug T (Qld) - Monday, Oct 15, 2007 at 22:25

Monday, Oct 15, 2007 at 22:25
Stephen
For AWDs you add a full locker to the rear and a TruTrac to the front/
Have a good read of this website , by another Member/

DIFF LOCKS

.
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Reply By: Member - Duncs - Tuesday, Oct 16, 2007 at 08:47

Tuesday, Oct 16, 2007 at 08:47
Stephen,

Don't knwo much about lockers myself but have had a bit of experience.

I bought a GQ many years ago which was a former ARB company car and came with 2 Air Locks fitted. It was amazing. When I owned this car I went through the stage where you never die wondering. If I saw a track, I went up it, if I saw a creek, I crossed it, if I saw a mud hole I drove through it. Often inspired by the calls of mates sitting beside me I found myself in places I would rather not have been.

In all of this I only ever had one problem with the ARB air locker. On a particularly steep, rocky and little used track I picked up a fallen branch which cought on a rock and pulled out an airline to the rear diff. I noticed the compressor cut in and pump continually so I stopped and had a look under the car. The line was spotted and pushed back into place before I continued down the hill. This repair took about 10 seconds.

I don't know about seals in either of the lockers you talk about but my ARB never suffered from a seal problem. The lockers were fitted from new and had 385,000km on when I sold it.

Duncs
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Reply By: Wizard1 - Tuesday, Oct 16, 2007 at 09:26

Tuesday, Oct 16, 2007 at 09:26
Stephen,

you say "Was told today by TJM that it will stuff the transfer case so I cant go down that road ?? Only what they have informed me ??"

Did they explain why lockers would stuff your transfer case?

We are considereing lockers as well on our 90 series, although we haven't had any real traction dramas so far, but we'd like some more.

What have ARB said, I was sure they had an Air Locker for the Prado?
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Follow Up By: Member - Stephen M (NSW) - Tuesday, Oct 16, 2007 at 10:16

Tuesday, Oct 16, 2007 at 10:16
Hi Wizard, when TJM were referring to stuffing the transfer they were relating to the auto locker in the rear (lockrite) put in and forget.Apparantly been a permanant 4 wheel drive it wont allow slipage and will wind up the transfer case ?? What the saleman told me. Im not real keen on them anyway due to the fact of where I live so will be constantly clicking in and out sh@t load of roundabouts and not a straight road in the joint. Any body that knows Glenmore Park in Sydneys west will know exactly what I mean. Yes ARB sell air locker for both front & back but at the moment Im only interested in one for the rear. I know ARB lockers have been around for a fair while and have proven them selves but was bit concerned of the fact of the seal blowing in them and going to cost $350 plus to fix if it does where as the pro locker doesnt have any seals as such to blow out. All sales talk who knows could be as I have never had a 4by before with locker so want to do it wright the first time and hope fully not have any issues with seals leaking and the like. Apparantly the prolocker has been around for a short time but have only just released one for the prado but based on the same diff as the hilux. All this info I have written about is what I have heard from sales people and what I have read on this and other forums so have no knowledge on either of the products personally. Regards Steve M
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Follow Up By: Wizard1 - Tuesday, Oct 16, 2007 at 14:35

Tuesday, Oct 16, 2007 at 14:35
Stephen,

Thanks for the feedback. I'm still undecided. I seem to get around with our club 4wd treks as well as the best. Its currently careful balance of momentum and right foot to keep traction.

Mind you SWMBO keeps asking about lockers...
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Follow Up By: Member - Doug T (Qld) - Tuesday, Oct 16, 2007 at 22:26

Tuesday, Oct 16, 2007 at 22:26
Stephen
That prick that told you that wouldn't know Schitt from Clay , When adding an Auto locker to a full time 4x4 you add iy to the rear, for the front if you want one there must be an Air locker or a TruTrac LSD,
As for your statement about roundabouts and locker clicking in and out I have to say you wouldn't know what your talking about, absolute rubbish that statement , Unless you have driven a vehicle with an Auto locker don't comment.

Doug
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Follow Up By: Member - Stephen M (NSW) - Wednesday, Oct 17, 2007 at 12:55

Wednesday, Oct 17, 2007 at 12:55
Doug,!!!! As for your statement about roundabouts and locker clicking in and out I have to say you wouldn't know what your talking about, absolute rubbish that statement , Unless you have driven a vehicle with an Auto locker don't comment. !!!!! Read what I have read above in previous reply's !!!!! What the saleman told me !!! I also stated I have never had lockers or auto lockers before in any 4wd I have owned. And I'll repeat myself again any info I have stated on here was either by reading or what I was told by the saleman. He is the one that told me an auto locker '1" is no good for AWD vehicle "2" he is the one that told me about them clicking in and out and when I told him where I lived he suggested I dont even think of going down the road of an auto locker even if it wasnt an AWD. This was my exact reason for asking on here about them as I dont always believe everything a salesman says and I have never had either fitted to any vehicle. I didnt ask the question to get my a rse chewd out by you. I appreciate your previous help in regards to the lockers. I also stated before hand I KNOW JACK SH@T ABOUT LOCKERS. regards Steve M

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Follow Up By: Member - Doug T (Qld) - Wednesday, Oct 17, 2007 at 18:55

Wednesday, Oct 17, 2007 at 18:55
Stephen
Please accept my appology , I thought it was you that said that, Oh so it was some bleep salesman , well yes Steve they are the ones that know stuff all , as long as they get a sale, and it;s just the same with some bloke selling a GPS in Harvey Norman .
Once again sorry , I miss read the post

Doug
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Follow Up By: Member - Stephen M (NSW) - Wednesday, Oct 17, 2007 at 19:44

Wednesday, Oct 17, 2007 at 19:44
No problems Doug, actually just reading my post again I really didnt say that the salesman was the one who told me about the auto locker clicking in an out. Should have explained myself a bit better. No offence taken Ive done the same before myself. Have a good night. Regards Steve M
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Reply By: leachy_9 - Tuesday, Oct 16, 2007 at 10:15

Tuesday, Oct 16, 2007 at 10:15
Steve,

I have a rear ARB Airlocker in my Prado 120.
I installed it both for the extra traction and to minimize the flex that has has seen a lot of 120 Prado rear diffs fail.
Mines done 20,000km and worked flawlessly.
When reasearching which locker to get I found stories of leaking seals with the ARB units (even ARB admitted to this) but appart from that they seem bullet proof and to fix leak is a simple repair. When I was looking,hte TJM units were brand new to the market and I wasn't keen on a untried product. I guess time will tell how good they are. I know a number of people with ARB lockers in Prados and none have had any problems. I'm yet to speak to anyone who has actually fitted an TJM locker.
Leachy
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Follow Up By: Member - Stephen M (NSW) - Tuesday, Oct 16, 2007 at 10:23

Tuesday, Oct 16, 2007 at 10:23
Hi Leachy, I am heading down the road towards the ARB locker as you have stated hasnt been around for long so yes your correct in thinking of the untried/proven/reliability issue. Thats what I was talking to my wife about last night. When you say easy to replace the seal was told yesterday that the diff centre etc has to be all removed to replace the seal is this correct ?? And yes Im the same havnt heard or spoke to anyone that has had a pro locker fitted by TJM have only spoken to people who have had the ARB unit fitted by either TJM or ARB only thing I hear about is the seal thats it so must be a pretty good thing. Regards steve M
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Reply By: Ingtar - Tuesday, Oct 16, 2007 at 18:56

Tuesday, Oct 16, 2007 at 18:56
May be spreading rumours but I heard ARB changed the design of the seals, and the new ones are less susceptible to failure?
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Follow Up By: Member - Stephen M (NSW) - Tuesday, Oct 16, 2007 at 20:56

Tuesday, Oct 16, 2007 at 20:56
Hi Ingtar, will ring a few ARB shops tomorrow and ask the question. Will ask if there has been any change in the design of the seals. I have only spoken to ARB twice about there locker once at the Penrith show and on monday but I didnt mention anything about seals was mainly getting a price on supply, fitment, required air compressor etc. It was TJM and from other people talking that I heard about the failure of seals. I have pretty much made my mind up and going with the ARB locker. As said above by another reply the TJM ones havnt really proven them selves. I will find out what the warranty is as well. I imagine 12 months. There seems to be alot of people who have the ARB locker and havnt had any issues. Thanks for the info will follow up tomorrow. regards Steve M
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Reply By: 93 Navara - Tuesday, Oct 16, 2007 at 22:11

Tuesday, Oct 16, 2007 at 22:11
I think I've read in threads before that the TJM lockers aren't new, they've just bought the palns and rebadged. Anyone know for sure as I believe its a well used product.
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