Late Landcruiser diffs

Submitted: Wednesday, Feb 11, 2004 at 22:58
ThreadID: 10464 Views:2014 Replies:6 FollowUps:6
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Hi all,

Has anyone had any probs with thier front diff? In particular I heard they may be weak wrt to reversing up hill in FWD!

Thanks...Leroy
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Reply By: Seto - Thursday, Feb 12, 2004 at 01:39

Thursday, Feb 12, 2004 at 01:39
Hi Leroy,

Had a problem with my front dif at 5000km on a 2002 diesel 100series - actually blew it. It was replaced under warranty but they declines to tell me whether the diff or just the pinion had gone. Have heard of a number of others having had similar problems.

David
AnswerID: 46432

Follow Up By: Leroy - Thursday, Feb 12, 2004 at 09:59

Thursday, Feb 12, 2004 at 09:59
Hi Seto,

Do you have an IFS or live axel front end?

Leroy
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FollowupID: 308313

Follow Up By: Seto - Thursday, Feb 12, 2004 at 10:11

Thursday, Feb 12, 2004 at 10:11
Hi Leroy,

It is a live axle but I have heard of the problem on both. When we disconnected the front drive shaft to get it home we checked the diff oil level with a finger through the filler hole & the finger came out clean. Who knows maybe they forgot oil in the factory.

David
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FollowupID: 308316

Reply By: Alfred - Thursday, Feb 12, 2004 at 02:49

Thursday, Feb 12, 2004 at 02:49
Leroy

I've had problems with my Hilux; see Post Id:10313
Not happy with the result am pursuing the issue. Is your's IFS or live axle? While researching Hilux diff problems I met a diff repair specialist who does warranty work for Toyota and he showed me a complete front diff off an IFS Landcruiser which had broken in less than 5000km!!!!!!!!!!!!!
Not good for a Toyota customer's expectations of reliability.

Alfred (unsatisfied Toyota customer)
AnswerID: 46433

Follow Up By: Leroy - Thursday, Feb 12, 2004 at 09:57

Thursday, Feb 12, 2004 at 09:57
Alfred,

I'm going to have a look at a live axel 2002 model so I want to have a reliable vehicle!

Leroy
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FollowupID: 308312

Follow Up By: Leroy - Thursday, Feb 12, 2004 at 10:20

Thursday, Feb 12, 2004 at 10:20
Oh and the Hilux diffs and CV's blowing have steered me away from them also......Leroy
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FollowupID: 308318

Reply By: Phil G - Thursday, Feb 12, 2004 at 12:24

Thursday, Feb 12, 2004 at 12:24
There were a few instances with the 90series prado about a year or two ago, but haven't heard much lately.

Advertising blurb on the new 120 series Prado boasted a "stronger front diff".

AnswerID: 46449

Follow Up By: joc45 - Thursday, Feb 12, 2004 at 14:52

Thursday, Feb 12, 2004 at 14:52
At least they're learning - took Landrover 20 years to admit/work out that they had weak axles.
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FollowupID: 308351

Reply By: David O - Thursday, Feb 12, 2004 at 19:09

Thursday, Feb 12, 2004 at 19:09
I believe the 100 series unlike previous, uses the same diff as the Hilux. If it blows in a lux it is bound to blow in a cruiser.
AnswerID: 46492

Reply By: Member - Peter- Thursday, Feb 12, 2004 at 20:32

Thursday, Feb 12, 2004 at 20:32
The front diff on post 1990 live axle cruiser while it is a similar size to a hilux diff it is different.
And yes they do let go especially when reversing in 4wd up a steep incline because the vehicle weight is mostly on the front diff. I've also heard of troopies blowing the front diff when descending into a gully etc, again when the weight is on the front end. There are also a few 80 series owners who have had problems.
I ran a 90 model troopy for 160k and 12 years with no problems, it did have an airlocker in the rear and was used mostly for touring rather than rock hopping.
I suspect that it could also have something to do with the weight of the right boot ;-))
AnswerID: 46502

Follow Up By: Leroy - Thursday, Feb 12, 2004 at 20:39

Thursday, Feb 12, 2004 at 20:39
My right foot probably has helped me with a few breakages! ie a hub last weekend for example.... hence the questions now as it's time to update and would like to avoid breakages in the future!

Thanks....Leroy
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FollowupID: 308400

Reply By: ToyMotor - Thursday, Feb 12, 2004 at 20:46

Thursday, Feb 12, 2004 at 20:46
The so-called "hi-pinion" diff, which is used on 80 series onwards, is weaker in reverse than forward, due to the design of the gears. One reason that they use these diffs to lessen the angle on the front prop shaft, so they can get away with a uni joint instead of an expensive double cardan joint like on the 60 series. So reversing uphill in low range, or snatching somebody out of a bog in reverse can be more of a problem than it needs to be!

Cheers
AnswerID: 46505

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