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Generation 2 Pajero NH - NL Models 1991 - 2000

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Old 22-10-12
96NK 96NK is offline
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Join Date: Jan 2012
Location: Canberra
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Default V4AW3 - torque convertor lock-up?

I have been following this forum for over a year now and found it very informative. Thanks to all.

So here comes my 1st post

I got myself a low milage (120K) Pajero 18 months ago from a friend. It's a '96 NK LWB GLS with a 3.5l DOHC auto with no mods yet. I am interested in possibly getting a torque convertor lock-up manual switch but I cannot find anything for my transmission. As fas as I can tell from research it should have a lock-up but I'm still not 100% sure. Any advice will be appreciated.

I am getting some gearmaster 2.7 low range gears installed in the next couple weeks so hopefully I may not need the lock-up switch to slow things down.

I came across this page which explains the electronic controls for the V4AW3 I thought I'd share (if you haven't already seen it).

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Old 22-10-12
TC.Barky's Avatar
TC.Barky TC.Barky is offline
Join Date: Oct 2011
Location: Caroline Springs, Melbourne
Posts: 3,508

It won't have a manual lockup from the factory if that's what you mean. They automatically unlock at touring speeds though. You should be able to fit an aftermarket switch but be warned - they are pretty dangerous if misused and have the potential to disintegrate things. Most sites that sell them say if you stop with the lockup engaged the engine will "stall" but this doesn't paint an accurate picture as they literally stop instantly with a loud bang unlike when a manual car stalls. Does not sound good when it happens lol. They do have benefits when touring - particularly when towing. There are some benefits off-road on downhills but in the vehicles I've driven with them fitted they don't make a huge amount of difference.
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Old 22-10-12
smccask smccask is offline
Join Date: May 2008
Location: Perth
Posts: 240

You could do this but it would be a bad idea. You will not be able to disengage it reliably with a manual switch, you'll break the torque converter quick smart. If you are getting lower gears then I don't see why you would need a manual tcc lockup, just shift to 1st. I haven't driven a V4aw3 box before, but i'd say 1st gear does not coast and you will still get strong engine braking, then use your brakes to supplement.
- Simon
NS Pajero GLX LWB, 3.8L auto
NH Pajero GLS LWB, 5.7L V8 conversion
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Old 22-10-12
96NK 96NK is offline
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Join Date: Jan 2012
Location: Canberra
Posts: 3

Thanks to all for the responses.

I was thinking of an aftermarket manual switch. From the sounds of things i'll stay away from this approach. I really do not want to break anything.

My number one priority is reliability.

The low range gears I am getting installed will hopefully do the job. Will keep posted with an update

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