Swivel hub leaking Grease 80 series

Submitted: Monday, Aug 17, 2020 at 20:58
ThreadID: 140390 Views:15052 Replies:6 FollowUps:7
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What's up everyone, so I have grease all over the swivel hub, and is leaking everywhere. I think that may leaking oil no Idea really, here's a photo any input is appreciated, also if you have any idea could you let me know how hard it will be to fix.
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Reply By: Phil G - Monday, Aug 17, 2020 at 21:10

Monday, Aug 17, 2020 at 21:10
Bit of maintenance required!
The inner axle oil seal is worn and gear oil is mixing with the CV joint grease and coming past the wiper seal.
Need to regrease the swivel hubs and wheel bearings and put a full seal kit through it.
Here's how its done (80series is the same):
AnswerID: 633014

Follow Up By: Demp T - Monday, Aug 17, 2020 at 21:21

Monday, Aug 17, 2020 at 21:21
I know!! I just brought this and its in rough shape! Last owner gave up on repairing it. Thanks for your help
FollowupID: 909909

Follow Up By: Frank P (NSW) - Tuesday, Aug 18, 2020 at 10:28

Tuesday, Aug 18, 2020 at 10:28
Excellent, informative video. Never having owned a vehicle with a live front axle I've always been curious as to how they go together and work, so thanks for posting that, Phil.


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FollowupID: 909913

Follow Up By: Phil G - Tuesday, Aug 18, 2020 at 20:05

Tuesday, Aug 18, 2020 at 20:05
Thanks Frank,
I've had many rigid front axle Landcruisers over the years and have always done my own maintenance - the swivel hub rebuilds are one job I learned to hate! Bought a 200series and thought I'd never seen one again, but I sold it last year and now back into a Troopy. But should be a few years before I need to do that job again.
FollowupID: 909924

Follow Up By: Phil G - Tuesday, Aug 18, 2020 at 20:10

Tuesday, Aug 18, 2020 at 20:10
I should have acknowledged the guy who made the video - its Simon from CMS 4x4. Specialises in Landcruisers and fixes Troopys from all over the country.
FollowupID: 909925

Reply By: RMD - Monday, Aug 17, 2020 at 23:26

Monday, Aug 17, 2020 at 23:26
A video is ok to see what is involved but the swivel hub MUST be centralized vertically so the drive axle and outer cv axle are running in line. Most people are unaware of that and the job doesn't last long. If replacing ANY of the swivel hub bearings, usually bottom is degraded/stuffed, careful application of a correct procedure to ensure the right swivel hub preload and swivel position, ie, up down, is important. Plenty to learn there to get it right. May not be covered in a U Tube hit. I am impressed with his white surgical rubber gloves though.
AnswerID: 633015

Follow Up By: Demp T - Monday, Aug 17, 2020 at 23:36

Monday, Aug 17, 2020 at 23:36
Im going to get a mate who is a mechanic, to help me out whilst I do it, Video helps but better safe then sorry, plus he should be experienced enough.
FollowupID: 909911

Reply By: Member - abqaiq - Tuesday, Aug 18, 2020 at 08:38

Tuesday, Aug 18, 2020 at 08:38
As others have noted this is a rebuild job. But there maybe more to it than replacing parts. Depending on the wear/mileage the trunion bearings may need to be replaced as they are what set camber/caster. I was going to do a simple rebuild and replace with the "kit " bearings. But the Troopy always wanted to go a bit left which finally got to me. So I took it in to a truck alignment specialist. Sure enough it needed the special elliptical bearings to fix the alignment. Not something that can be done at home as the alignment machine is 3/4 million dollars! They did the whole axle rebuild and new brakes for $1600, not free but she drives like new at 300,000 Kms. So at a minimum I suggest a trip to an alignment shop first to diagnose any problems.
AnswerID: 633019

Follow Up By: RMD - Tuesday, Aug 18, 2020 at 10:44

Tuesday, Aug 18, 2020 at 10:44
If his swivel hub bearings/(steering axis bearings) are in good condition the camber and caster should be measured first. If they are stuffed then it will be wrong anyway. And needs to be known before mods done. You can buy camber correction bearing kits which have an offset to centre design for the swivel bearings, so when installed in the optimum position it will correct camber if not right. The kits come in 0.5, 1.5,1.8 degree steps, so prior reading of errors is needed to buy/select the correct ones. Then install.
The originals bearings don't set the camber or caster, they simply hold it in the correct machined position designed into the axle which includes camber caster as per specs. Not sure what a "semi elliptical bearing" is, but these are simply bearings held off centre, ie, eccentric and not concentric.
If fitting those kits, they can be done at home if you know the concepts and an expensive machine is not required at all. You must know the original reading first though. Most vehicles like these slightly run to the left because the caster is equal and the camber of our roads means "equal caster" cannot compensate for the camber of road. A vehicle on a flat road pulls to the LEAST positive caster side. So the LHS of vehicles in Australia generally need slightly more caster on the LHS. On flat road it will then slightly gravitate to the right. All a compromise though.
FollowupID: 909914

Reply By: Member - DOZER - Wednesday, Aug 19, 2020 at 06:30

Wednesday, Aug 19, 2020 at 06:30
You have oil leaking into the swivel hub, the most probable reason is your swivel hub bearings are worn. Its a big job, tools specific to the job needed, good luck. If you buy swivel bearings, get Toyota koyo branded ones, they have an extra roller in them, if you just do the seal, buy terrain tamer seals, with 2 lips.
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AnswerID: 633035

Reply By: swampy - Saturday, Aug 22, 2020 at 16:01

Saturday, Aug 22, 2020 at 16:01
3x major items not done in video

1/ sometimes/ anything over 100,000km , the axle seal wears a groove in the axle . This can be repaired by metal spraying and machining at engineering shop.

2/ there is a vertical aligning tool . This calculates axle centre and shim pack heights . This is a Toyota tool.
Without it u just have equal packs top and bottom xtra with preload shim in the top bearing .

3/ hub bearing preload drag set up .
NB its real easy to fu..k it up to much or to little
NEVER NEVER rely on feel alone
Use a Kg spring pull gauge 3-6 kg pulling off the steering arm . ALWAYS set to 6kg drag

Unless u no these items your not doing it correctly !!!!!!!!!!!
AnswerID: 633076

Follow Up By: RMD - Sunday, Aug 23, 2020 at 18:27

Sunday, Aug 23, 2020 at 18:27
Good on you Swampy. Exactly what I was getting at with the video, I could not see how a video man could begin to explain the aligning tool. Only if careful prior measurements of top clearances between swivel and bearing zone if top bearing still good, can you position the unit correctly without the tool. Multiple assembly and disassembly of pivot bearings may be necessary so that axle turning resistance can be assessed by removal or adding shims. Then there is the preload issue on top of the positioning. Anyone can, monkey see monkey do, from a video but monkey may not perceive the finer aspects of doing it correctly.
FollowupID: 910008

Reply By: rapid80 - Thursday, Aug 27, 2020 at 07:39

Thursday, Aug 27, 2020 at 07:39
Most mechanics just reinstall the same shim packs and hope for the best.
There are better inner axle seals that can handle a little more misalignment. I think Trail Gear make 1.
I bought the SST for centering the hub and also fitted the eccentric bearings at the same time.
Its not a difficult job but it is messy and takes most of the day to do both fronts so I try to do it right and have it last, otherwise your inner axle seals flog out quickly and the grease in your swivel hub gets washed out by the diff oil.
AnswerID: 633132

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