LC80 gearbox change

Submitted: Wednesday, Jan 12, 2005 at 17:53
ThreadID: 19303 Views:1802 Replies:4 FollowUps:3
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HI all,
I will soon be removing the gearbox out of my 80 series, and was wondering if there are any little traps I need to know about before hand. I have changed a fair number of gearboxs and clutches before on small 4bs ( zooks and datsun 720) but never a cruiser. I have read the gregorys LC book and it don't look too bad a job. But any info would be helpfull.

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Reply By: crusher - Wednesday, Jan 12, 2005 at 18:33

Wednesday, Jan 12, 2005 at 18:33
Hi Chucky
I have done a Nissan gearbox , and I would say the tojo will be at least as heavy.Be careful.
AnswerID: 92684

Follow Up By: Member - Davoe (WA) - Wednesday, Jan 12, 2005 at 18:39

Wednesday, Jan 12, 2005 at 18:39
nah only little in comparison - even smaller than the ute gb
FollowupID: 351559

Reply By: 80scruiser - Wednesday, Jan 12, 2005 at 18:35

Wednesday, Jan 12, 2005 at 18:35
Gday chucky
Disconnect the heater tap from the fire wall as it will damage as you let the engine tilt backwards and undo the fan shroud as the fan will hit the top and crack the shroud. Other than that its not to bad to do. They are heavy but one of the better ones to do.
One other thing is if its diesel and you are doing the clutch, use a genuine Toyota kit as these do have rattling noise and the Toyota one is the best around IMHO.
If there is anything else just email me as I have done a few in my workshop.
AnswerID: 92685

Follow Up By: Chucky - Wednesday, Jan 12, 2005 at 18:46

Wednesday, Jan 12, 2005 at 18:46
Thanks for the info,
I do have a diesel and I intended to replace the clucth while having the box out and had already heard on other threads that the genuine kit was the best. Thanks for the info and the heater tap and fan shroud. My book of knowledge had nothing about these in it and I normaly only remove the fan shroud.

Thanks again and I'll let you know how we went.

FollowupID: 351563

Reply By: Wayne (NSW) - Wednesday, Jan 12, 2005 at 18:45

Wednesday, Jan 12, 2005 at 18:45

I have removed the gear box from an 80 series and they are big. A hoist is good if you can get the use of one. A transmission jack will also help.

The problem I had was that I could not getthe hoist up high enough or the tran jack low enough to get the gearbox out from under the vehicle. Solution, hold the gearbox on tran jack, use two drag chains and secure gearbox to the chassis rail and lower tran jackdown and out of the way. Gearbox is now held under the vehicle by chains, lower the hoist until the gearbox is sitting on the ground,unhitch chains and raise the hoist. One gearbox on the groung and not a hernia in sight.

The workshop manual will help with the rest.
Good luck

AnswerID: 92688

Reply By: brenn dog - Wednesday, Jan 12, 2005 at 22:13

Wednesday, Jan 12, 2005 at 22:13
chucky, when removing LC gearbox if you want to lighten the load alittle you can allways remove transfer case from the gearbox , few more bolts & linkages to undo but much easier to handle , if doing from home and dont have good trans jack,thanks
AnswerID: 92729

Follow Up By: Member - DOZER- Thursday, Jan 13, 2005 at 11:02

Thursday, Jan 13, 2005 at 11:02
They are two completely different boxes, so they come appart method i think.
Get the flywheel professionally ground too...any hot spots in it and u will get shudder.
b4 you bag me out, walk a mile in my shoes, then your a mile away and have my shoes :)

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