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Generation 1 Pajero NA - NG Models 1983 - 1991

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  #11  
Old 04-11-13
Blutak Blutak is offline
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Hi again all! Away from picking on other brands and back on topic, a day has passed and the diff has settled. The pre load has dropped a little now that new lubricant has worked its way between the plates. It now takes 110 NM of torque to overcome the pre load. According to factory specs, the pre load should be around 100NM. No reduction in limited slip effect when loaded. Accidentally backed off a trolley jack that I forgot to remove before a test drive .

Not bad for a diff that has seen more than 412,000 km of service!

No ill effects after my brush with the berm. New oil seal is sealing. I did notice the other side is showing traces of a weep. Can't figure why things are meant to be replaced as pairs...
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  #12  
Old 08-11-13
Blutak Blutak is offline
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Another update on the diff!

I am now doing stuff in hi range 2wd that I was previously having trouble with in
4 low.

I was lifting fronts on lennards track the other night and I hadn't bothered to lock the hubs. Before in the same spot I had diagonal wheels spinning and had to back up and do it on momentum.

Still want a lokka in the front tho
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Blutak is a 1990 NG EXE, 2.6, blue faded paint, 412 000 km, extractors, bump and droop stop shave, 100/130w globes in stock lights (inc melted plugs...), saggy springs, shocking shocks, crap tires, loose nut behind the wheel.
Blutak, cos thats all that's holding her together. ..
Now she has 485'000km, same everything with a 2.5' pipe, straight thru muffler and cat delete. Also a set of leaf springs from a 96 triton that gave me a $100 2 inch lift.
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  #13  
Old 08-11-13
MTN-KAT MTN-KAT is offline
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Hi Blutak, Enjoying your enthusiastic reports. Just wanted to say I too use Penrite LS140 in my LSD. Also added one 250ml bottle of Penrite LIMSLIP additive 7098. Got this advice from DIFFLAP Brisbane in 2011 and fixed my slight diff chatter instantly.
Also, the comment from bakerboy about "owning a patrol has got to him" refers to dbomba not yourself. Read dbomba signature at bottom line and you will see he now drives a Warn winch....with a 2010 Patrol at the other end!! Love the humor.
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  #14  
Old 08-11-13
Blutak Blutak is offline
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Ahh... I thought he was referring to the fact that patrols spend their lives at the end of a pajeros winch...
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Blutak is a 1990 NG EXE, 2.6, blue faded paint, 412 000 km, extractors, bump and droop stop shave, 100/130w globes in stock lights (inc melted plugs...), saggy springs, shocking shocks, crap tires, loose nut behind the wheel.
Blutak, cos thats all that's holding her together. ..
Now she has 485'000km, same everything with a 2.5' pipe, straight thru muffler and cat delete. Also a set of leaf springs from a 96 triton that gave me a $100 2 inch lift.
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  #15  
Old 03-04-19
Ryan175 Ryan175 is offline
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Hi Blutak, I know its been a while but I've been trying to chase down whether my 1986 NC Paj has an LSD or not. My rear diff has the sticker on it saying to use only LSD oil with an LSD but does this actually mean it is an LSD or is it a warning put on all the paj diffs at that time? I had the rear wheels off the ground and when I spun one forwards the other went backwards so I assumed it wasn't an LSD but after reading your post I have hope again.
Thanks,
Ryan
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  #16  
Old 03-04-19
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Quote:
Originally Posted by Ryan175 View Post
Hi Blutak, I know its been a while but I've been trying to chase down whether my 1986 NC Paj has an LSD or not. My rear diff has the sticker on it saying to use only LSD oil with an LSD but does this actually mean it is an LSD or is it a warning put on all the paj diffs at that time? I had the rear wheels off the ground and when I spun one forwards the other went backwards so I assumed it wasn't an LSD but after reading your post I have hope again.
Thanks,
Ryan
Did you have the transmission / gearbox in neutral? If the propshaft can't turn then the wheels have no choice but to turn in opposite directions.

To the best of my knowledge, Mitsubishi only put the stickers on LSDs - so I expect you have an LSD.

Please don't try the "drive off a jack" trick either - that's not a definitive "proof" either. My NJ couldn't "pass" this test, but its LSD worked well where it mattered.
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Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....

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  #17  
Old 03-04-19
Ryan175 Ryan175 is offline
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Not sure if I did or not but I'll give it another go amd see what happens otherwise ill be following what you did to clean it out and get it going again. Is there a gasket available once I pull the back off or do I have to use a liquid gasket? Bit of a novice and only recently been getting into it.
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  #18  
Old 06-05-19
Blutak Blutak is offline
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Sorry, haven't posted in ages!

Easiest way to see if your Paj has LSD is to chock the fronts, make sure the hubs are unlocked, jack up a rear wheel and turn it by hand.

If it is really easy to turn it, your diff is open. If you feel alot of resistance, it is LSD.

Beware, this does not work if your rear brakes are dragging.

The other is bringing both wheels off the ground
If you turn one and the other goes the opposite way, you are open. Same way, you are LSD.
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Blutak is a 1990 NG EXE, 2.6, blue faded paint, 412 000 km, extractors, bump and droop stop shave, 100/130w globes in stock lights (inc melted plugs...), saggy springs, shocking shocks, crap tires, loose nut behind the wheel.
Blutak, cos thats all that's holding her together. ..
Now she has 485'000km, same everything with a 2.5' pipe, straight thru muffler and cat delete. Also a set of leaf springs from a 96 triton that gave me a $100 2 inch lift.
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  #19  
Old 06-05-19
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Quote:
Originally Posted by Blutak View Post
The other is bringing both wheels off the ground
If you turn one and the other goes the opposite way, you are open. Same way, you are LSD.
Possibly.

Quote:
Originally Posted by nj swb View Post
If the propshaft can't turn then the wheels have no choice but to turn in opposite directions.
For those browsing "New Posts", or having success with the search function, please note this is the Gen 1 forum, discussing clutch-type LSDs. Helical LSDs as used in late Gen 2 onwards behave differently, so the tests described here don't apply.
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NT Platinum. DiD Auto with 265/70R17 Toyo MT, Lift, Lockers, Lockup Mate, Low range reduction, LRA Aux tank, bull bar, winch, lots of touring stuff. Flappy paddles. MMCS is gone!

Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....

Scorpro Explorer Box
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  #20  
Old 18-06-19
old dave old dave is offline
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Default Nf lsd

Hi Blutac, good work..
Your first statement about your old NF going down like the Titanic on both ends sums up the behaviour of my 1989 NF import... I would have thought it was LSD at the rear, as the diff housing is massive and nothing like my 1988 Shorty Turbo diesel...which has a conventional open wheeler.

The 89 is four speed auto with a coil rear end, drum brakes. The shorty has discs on the rear and again is coil.... ??

It's really annoying that as far as I can tell the rear is behaving like an open wheeler.... I have changed the diff oil a couple of times, once when I got it and again, 2 years ago when the right side axle seal let go... oil seemed Ok apart from it being 500mls down at the first change.. I used Castrol LSD oil..

There is no label on the diff... but shouldn't it mention it on the build tag under the bonnet ? otherwise how do you tell ?
Being an import the NF it is a little different like having 4 speed auto a year earlier than domestic models and no oil cooler..

Old Dave
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