I only know the series l GU auto as that is what I have and the Maverick was a manual. But the GU locks the TC in 2nd, 3rd(D) and OD. An improvement from the GQ I guess.
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No idea what's in our 2002 GU either Chubba but I do know it only locks in OD same as the GQ .
If I was keeping the GQ I would go for a wholesale auto nomad valve body and have the whole box upgraded because I believe you can even get them to lock in first gear .
Yep, GQ Autos in the factory configuration only lock the TC in O'drive above 80 KPH which is why the mod is so popular with them esp if running 33's.
So GU is different then?
Must admit I have never driven a 4.5 tho so don't know that much about them.
Those and the 2.8TD are the only two variants of MQ, GQ, GU I haven't had as either a private or fleet vehicle over the years.
I don't know but GQtdauto said his 2002 GU only locks in OD. Mine is a Ti. So maybe something to do with that.
I'm sure I read somewhere that the earlier GU and 94 < were the same box basically just slightly different wiring or tcu .
Towed the same camper in both nissans and bugger all difference in the way the box works or engine heats up when the going gets tough , having just put the temp gauge on the tranny back in May for the Birdsville trip I'm still amazed at how high temps can get when the converter isn't locked .