1998 Hilux gearbox 5th gear bugged
Submitted: Tuesday, Mar 15, 2022 at 19:46
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Freddy B
Seeking advice on viability of ether fixing my ln167r hilux gearbox as I think 5th has lost a tooth. I have dropped the box out and wondering if I would be better off replacing it / getting a recon or just replacing the damaged parts. I am on a pretty tight budget so replacing the parts would be ideal. The box has 390 k km on it
Would this be something that a
home diy level mechanic could undertake?
Any advice or tips?
Cheers
Reply By: Member - OzJourney - Wednesday, Mar 16, 2022 at 08:59
Wednesday, Mar 16, 2022 at 08:59
I had the same situation (not a Hilux) had the box rebuilt, new bearings and syncro’s and a few months later, chipped a gear on 5th.
Totally piss’d off ,I ground off the remaining teeth and just used 4th. Eventually replaced the box.
I’ve never had the confidence to rebuild gearboxes, and given how difficult they are to remove I would go for a recon.
Steve
gbox repair
AnswerID:
639839
Reply By: Hoyks - Saturday, Mar 19, 2022 at 20:33
Saturday, Mar 19, 2022 at 20:33
You could re-build it on the cheap...
I had the box in my old courier drop a bearing so all I had was 1st, 2nd and 4th. I dropped the box, stripped it down, cleaned out the carnage, replaced all the bearings and threw it back in.
All was good and I drove it from
Brisbane to
Longreach and onto
Cooktown. Of course as soon as I was at the furthest point from
home the syncros on 5th started to play up and it would occasionally pop out of gear.
By
Townsville I had to hold it in 5th with my hand as it would pop out of gear if I backed off the power and by
Rockhampton I was wedging my knee against it to hold it in gear or it spit into neutral all straight away.
That time I dropped the box out and took it in for a re-build.
The new bearings were full bits of bronze syncro and had to be replaced, along with 5th gear and all the syncro. $500 for a bearing set from Repco, $700 for another bearing set through the gearbox place, 3 lots of gear box and transfer case gear oil, the arse pain of dropping and installing the gear box in the driveway with inappropriate tools (having to make specialist
tools to get the nuts of various shafts) and a couple of days of my labour that could have been better spent elsewhere.
2nd rebuild cost only slightly less than a recon gearbox off the shelf and I did the remove and install myself.
The old story, do it once, do it right.
AnswerID:
639875