Hilux LN65 4 speed swap to 5 speed

BlakeNZ
Hard Yaka
Posts: 707
Joined: Sun Jun 16, 2013 10:50 am
Location: manawatu

Hilux LN65 4 speed swap to 5 speed

Postby BlakeNZ » Sun Oct 11, 2020 12:42 pm

Hi folk. Does any one have experience in terms of knowing whether a G52 box fits straight in to replace a 4 speed box?(G40 I believe?)
Is a G52 from a LN106 the same as a G52 from the LN65?
If anyone can suggest the right people to talk to, please let me know. Thanks.

BlakeNZ
Hard Yaka
Posts: 707
Joined: Sun Jun 16, 2013 10:50 am
Location: manawatu

Re: Hilux LN65 4 speed swap to 5 speed

Postby BlakeNZ » Mon Sep 05, 2022 11:24 pm

well i have the box swapped for a 5 speed. The result is BRILLIANT.
Hilux now cruises easily at 100km/h, even 110kmh is not screaming.
The box was a G52 from a LN106(complete with front driveshaft and transfer case.). Had to swap the sensors over from the LN65 box , and used the gear levers from the LN65 too. Mechanic swapped the guts of the speedo drive over too (cant explain why, sorry).
Release bearing on the LN65 box was a bit noisey, so used the LN106 one,and clutch fork. Clutch looked fairly new, so left that.
100km/h is now approx 2850rpm, compared to 3300rpm previously.
One lower bolt hole on the LN106 housing did not line up with the hole on the 2L motor, but that wasn't worth changing bell housings for.

BlakeNZ
Hard Yaka
Posts: 707
Joined: Sun Jun 16, 2013 10:50 am
Location: manawatu

Re: Hilux LN65 4 speed swap to 5 speed

Postby BlakeNZ » Sun Sep 18, 2022 7:06 pm

update.
Locking the front hubs and engaging 4WD brought a "clunk clunk clunk" noise, so clearly either the transfer case or the front driveshaft was to blame. The UJs seemed good , but it turns out joint in the "Kim Kardashian joint" had slop in. So the LN106 front driveshaft was swapped for the original LN65 one, and all was well again.
The mechanic had checked the 4wd was engaging, and there was no noise, but he hadn't locked the hubs in.
Oh well, at least it wasn't a faulty transfer case :)

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