auto locker

Submitted: Tuesday, Apr 03, 2007 at 21:21
ThreadID: 43970 Views:2501 Replies:7 FollowUps:28
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I have a front auto lokka and love it but also want to do something with the back an air locker is too expensive so im thinking about putting an auto locker in the back but am unsure how it will behave on the road. will the clicking be loud and annoying, i only ask because i rarely hear it from the front when in 4x4 so i was hopeing that someone with one in the back can reassure me that all is good

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Reply By: Member - Doug T (W.A) - Tuesday, Apr 03, 2007 at 21:31

Tuesday, Apr 03, 2007 at 21:31
My troopy has Detroit Auto's both ends, Don't cut corners by installing a cheaper brand, The thibg with one in the rear it's there always at work , it unlocks when required, I think it best that read this web site and get the facts. And by the way, what type of 4x4 is it, I may have some very important info .

www.locked-drive.com.au/product.htm

www.eatonperformance.com/

http://4x4icon.com/offroad/detroit/detroit_noslip.htm#performance

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Follow Up By: dirty dirty 4x4 - Tuesday, Apr 03, 2007 at 21:44

Tuesday, Apr 03, 2007 at 21:44
its going into a 90 mod surf 2" suspension lift 31" tyres and front lokka will go for the detroit for the back as you can import it for cheaper than the lokka
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Follow Up By: SA_Patrol - Wednesday, Apr 04, 2007 at 22:44

Wednesday, Apr 04, 2007 at 22:44
How many cheaper brands of lockers are there, what do you class as a cheap brand.
What is an expensive brand,

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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 22:57

Wednesday, Apr 04, 2007 at 22:57
SA_Patrol
By cheaper means anything less than the best , and the best is Detroit,
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Reply By: Member - Doug T (W.A) - Tuesday, Apr 03, 2007 at 21:55

Tuesday, Apr 03, 2007 at 21:55
Ok then , yjat's good, just that if it were a 75 series there is a minor problem of shearing axle studs when it gives the usual and normal kick in the ar$e when your not thinking about it , I worked out a solution with mine , 15 months gone by and no problems so far and it was in the Simpson last Easter,
It was quite steerable over the dunes contrary to what others say , A little heavy but ....ok
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Reply By: mfewster - Wednesday, Apr 04, 2007 at 09:29

Wednesday, Apr 04, 2007 at 09:29
I would be very wary about putting an autolocker of any brand on the rear of a vehicle. Front yes, they are great, but you can turn them off when on bitumen. You need to be able to turn an autolocker off when on bitumen, which you can do with manual locking hubs on the front. Too many reports from drivers with autolockers on the rear having unexpected movement when hitting wet or slippery spots, especially on corners on the bitumen - and of course you tend to be travelling faster on the hard stuff. I tried to find some of the USA reports online re the problems of autolokkers on the rear on bitumen but couldn 't locate them. I found this topic some years ago on USA sites, General concensus was that an autolocker on the front and a limited slip on the back was a better option.
I think the Surf has a LSD already?
AnswerID: 231599

Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 10:11

Wednesday, Apr 04, 2007 at 10:11
yes the surf has a lsd but its 17 years old and shagged out and i do understand you have to learn how to drive with them but with my mighty 2.4 and big tyres i cant see me getting sideways too often im more worried about the noise
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Follow Up By: _gmd_pps - Wednesday, Apr 04, 2007 at 11:41

Wednesday, Apr 04, 2007 at 11:41
LSD in front and auto locker in rear is the better option not the other way around in my book. The problems with the autolockers in the rear is from cheaper brands.. the Eaton has no problems .. at least not on my vehicle on the bitumen .. it does not engage above a certain speed (25mph) .. the problems may come if you modify it and increase the limit ... I am not completely a friend of autolocking but my vehicle has it at the moment and I am ok with it when I do not corner too fast and lift one side slightly, which only happens way beyond the acceleration a Jap 4by would ever see... The problem with the autolocker in the rear is that it needs a certain spin to engage and with a mud tire in sand you can dig yourself in b4 the locker engages, but it gotta be real soft sand and pumped tires... I havn't completed my tests yet in sand to finally decide if I stick with the Eaton or replace it with an air locker ...
good luck
gmd
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Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 11:52

Wednesday, Apr 04, 2007 at 11:52
the lokka in the front does make steering a bit difficult but i have inside 4x4 and turn it on and off as i need it and dont have to lock or unlock anything as they are fixed hubs
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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 22:55

Wednesday, Apr 04, 2007 at 22:55
mfewster
Your talking crap, absolute crap , I've had Auto Lockers in my Troopy rear and front for about 4 years , I had a rear only in a Daiharsu Rocky for 5 years , never at any time did I experience the sort of things your going on about , I've heard all these fantasy stories where people have hit trees and then blame the locker , BS. it's the driver that can't drive , that's the problem, I don't think you understand how they work , did you read the information in the links i posted for the original question, if not go and do so ,

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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 23:02

Wednesday, Apr 04, 2007 at 23:02
gmd_pps
What the hell are you going on about /quote [ it does not engage above a certain speed (25mph) ..] Your another one that needs to learn about Auto Lockers, Go and read the links at the start of the posts,
An Auto Locker is actually an Unlocker , it is locked at all speeds in all gears, and unlocks when you turn , if you put down the power hard then it will remain locked .

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Follow Up By: _gmd_pps - Thursday, Apr 05, 2007 at 01:05

Thursday, Apr 05, 2007 at 01:05
You moron .. I own a truck with a Eaton Auto Lock ..
and it does not engage above 25mph ..
get a life
gmd
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Follow Up By: Member - Doug T (W.A) - Thursday, Apr 05, 2007 at 01:15

Thursday, Apr 05, 2007 at 01:15
Well then that makes two morons then
we are talking 4x4 , lockers for 4x4s not bloody trucks , you didn't say you were meaning a truck, the whole exercise of this post was to answer a simple bloody question for dirty dirty 4x4, and you have to come on here shooting your mouth off about some BS locker in a truck , go and find a truck forum you pest
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Follow Up By: _gmd_pps - Thursday, Apr 05, 2007 at 01:20

Thursday, Apr 05, 2007 at 01:20
I am talking 4x4
its a 5.1t dual wheel truck 4x4 with an eaton autolock in the back
and an eaton lsd in the front and a 400hp diesel engine ... I call it a
truck because it is a truck despite the fact that it is 4x4 also
have fun
gmd
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Follow Up By: dirty dirty 4x4 - Thursday, Apr 05, 2007 at 07:32

Thursday, Apr 05, 2007 at 07:32
well i have a lokka witch is a copy of the detroit locker and it is engaged all the time unless power is applied from an external force like the ground wich causes the outside wheel to overrun (go faster) so the drive is always on the slowest wheel . if it didnt engague untill 25 mph it would be bloody scary to climb rocks at that speed
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Follow Up By: dirty dirty 4x4 - Thursday, Apr 05, 2007 at 08:23

Thursday, Apr 05, 2007 at 08:23
sorry i just read your post again (does not engague after 25mph) well if thats the case i would be very happy but i dont see how that will work because you would need some type of cintrifical clutch or something for the diff to know what speed your doing
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Follow Up By: _gmd_pps - Friday, Apr 06, 2007 at 02:16

Friday, Apr 06, 2007 at 02:16
The Eaton does just that .. there is a lever with a weight blocking the
locking above 25mph .. some guys file the weight down to increase
the limit up to which it engages ... has its pros and cons ..
good luck
gmd
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Follow Up By: Bonz (Vic) - Tuesday, Apr 10, 2007 at 12:26

Tuesday, Apr 10, 2007 at 12:26
Hey gmd where does it say that the Eaton doesnt engage over 25mph? Or where did you get the info? The autolocker I have is a Lock-rite and as Doug says its on all the time and would be fine in the rear of a vehicle (mines in the front) and the clicking would be something you would get used to.
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Follow Up By: Member - Doug T (W.A) - Tuesday, Apr 10, 2007 at 12:30

Tuesday, Apr 10, 2007 at 12:30
Bonz
I think he's talking about a Truck To me a Truck is Truck and a 4x4 is a 4x4 ,his might be one of those Isuzu/Mitsubishi trucks , but not to worry they're still 4x4s

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Follow Up By: dirty dirty 4x4 - Tuesday, Apr 10, 2007 at 18:03

Tuesday, Apr 10, 2007 at 18:03
bonz i read on the eatons detroit site that some types of auto lockers stop engaging after 25mph but thats a different type than the one ive got
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Follow Up By: Bonz (Vic) - Tuesday, Apr 10, 2007 at 18:05

Tuesday, Apr 10, 2007 at 18:05
you wouldnt have the URL would you? I have been chasing this today to read about it? thanx
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Follow Up By: _gmd_pps - Tuesday, Apr 10, 2007 at 22:09

Tuesday, Apr 10, 2007 at 22:09
Bonz ,

I have the info in my user manual ...
maybe the Eaton I have in my truck is different from what you get after market ..
I have a GMC Sierra 3500 CC DRW 4x4 6.6 Duramax SLT 2007 Classic ...

good luck
gmd
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Reply By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 11:17

Wednesday, Apr 04, 2007 at 11:17
do i need to know anything about preload putting it in the rear
AnswerID: 231611

Reply By: Exploder - Wednesday, Apr 04, 2007 at 18:24

Wednesday, Apr 04, 2007 at 18:24
You could always consider the Detroit True Track gear LSD next best thing to a full locker.
AnswerID: 231670

Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 19:43

Wednesday, Apr 04, 2007 at 19:43
am i right in saying they have a limited life about 15000 - 30000 klms especialy when flogged as it will be
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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 23:05

Wednesday, Apr 04, 2007 at 23:05
dirty dirty 4x4
No your so wrong we lost you miles ago, maybe right if your refering to the what I call cheap brands, the Detroit locker will probably out live your 4x4, I think off hand mine would be up around the 300,000 + mark
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Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 23:07

Wednesday, Apr 04, 2007 at 23:07
i ment the true track lsd not the locker they make your diff stronger
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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 23:16

Wednesday, Apr 04, 2007 at 23:16
The advantages of an auto locking differential include:

Economical & easy to fit.

Some have been used in motor vehicle since the 1940's.

Few moving parts & easy to repair.

Can be used on-road and off-road.

Lasting qualities allow them to be re-used many times in replacement vehicles.

Manufacturer's lubrication recommendation can be used.
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Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 23:29

Wednesday, Apr 04, 2007 at 23:29
i am very happy with my auto locker thats why i want another one i got the lokka and then i found out how much you can get a detroit locker for if you import it yourself about $400 including postage so thats next
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Follow Up By: Member - Doug T (W.A) - Wednesday, Apr 04, 2007 at 23:50

Wednesday, Apr 04, 2007 at 23:50
dirty dirty 4x4
Where are you getting it from , direct from USA ,
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Follow Up By: dirty dirty 4x4 - Wednesday, Apr 04, 2007 at 23:58

Wednesday, Apr 04, 2007 at 23:58
i havnt got it yet but you can get it from www.rocky-road.com a lot cheaper than going to tjm its been a long time but i think i remember them quoteing me $700 just for the locker
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Follow Up By: Exploder - Friday, Apr 06, 2007 at 00:07

Friday, Apr 06, 2007 at 00:07
Mate the Detroit True Trac is a gear driven LSD I.E No clutch packs to wear out, and unlike the Clutch type LSD most of the Power with the true track LSD is sent to the tyre with the most traction, so it’s almost as good as a Locka but has the On-road behaviour of a normal LSD but will never wear out.

The true Trac is the next beast thing to a full Locka, and is miles ahead of any STD fittment LSD.

Cheers.
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Follow Up By: Member - Doug T (W.A) - Friday, Apr 06, 2007 at 00:10

Friday, Apr 06, 2007 at 00:10
Exploder
Good to see someone who knows what he's talking about and can recognise a superior product ,

Doug
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Reply By: SA_Patrol - Wednesday, Apr 04, 2007 at 22:51

Wednesday, Apr 04, 2007 at 22:51
When TJM finally bring out a Prolocker for the HiLux it could be your answer. It would have to be 100 % better than the ARB airlockers.
AnswerID: 231719

Reply By: mfewster - Thursday, Apr 05, 2007 at 15:42

Thursday, Apr 05, 2007 at 15:42
Doug T. What's your problem?
I have an autolocker and I agree with you on the issue of autolocker advantages. I suggested that Dirty be careful about putting them on the rear of his vehicle because of the reports on USA sites of handling problems on slippery bitumen at highway speeds. I acknowledged that the statement was based on internet reports when I did my research before buying an autolocker and deciding whether to buy one or two and which diff. I thought he might want to consider this himsel. You obviously have seen simiar reports because you mention them and based on your experience you dismiss them as "fantasy." Fair enough, that's what discussion forums are for.
My issue is the way you go about "discussing." Do you have problems with road rage as well?
AnswerID: 231833

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