3 Wheel Drive ?????!!!!!!!

Ok,so I have some SJ manual hubs off Ebay, one of Martins adapter kits and 4 hours to myself, so I decided to have a go at fitting them today.

After doing the drivers side I jacked up the whole side of the car and put it in 4 wheel drive, started the engine, put it in 1st gear and presto, both wheels turning (with the front hub in lock mode).

After doing the passenger side I did the same test but only the rear wheel was turning so I thought "great, duff front hub" !. But after removing the hub and doing the test again I noticed that the splined shaft wasn't turning even though the shaft between the transfer box and the diff was turning.

Now correct me if I'm wrong but I presume this means I have a broken drive shaft ?.

Right, I'm really confused now

Have I got a busted shaft or has a CV joint gone ?

Do all Jimnys have CV joints as I thought that mine was a live axle with swivel joints ?????? !!!

(Hopes that Martin will be along soon with all the answers )

If both front wheels are off the floor, then likely only one will turn, the one with least resistance, due to the action of the differential.

Stop the wheel that is spinning and the other one will start turning.


The best test that all is well is to select 4wd with the hubs locked, and raise just one front wheel with the jack, leaving the rest on the floor. If the wheel turns round by hand, there is a problem. If it just moves a little each way, accompanied by clunking sounds, all is fine.

In 2wd the wheel will trun with some resistance, and you will see the propshaft turning.

facade wrote: If both front wheels are off the floor, then likely only one will turn, the one with least resistance, due to the action of the differential.

Stop the wheel that is spinning and the other one will start turning.


The best test that all is well is to select 4wd with the hubs locked, and raise just one front wheel with the jack, leaving the rest on the floor. If the wheel turns round by hand, there is a problem. If it just moves a little each way, accompanied by clunking sounds, all is fine.

In 2wd the wheel will trun with some resistance, and you will see the propshaft turning.

Yep, wheel turns by hand no matter what is selected whereas the other side doesn't when lifted so something is definately bust !.

Gromit wrote:

facade wrote: If both front wheels are off the floor, then likely only one will turn, the one with least resistance, due to the action of the differential.

Stop the wheel that is spinning and the other one will start turning.


The best test that all is well is to select 4wd with the hubs locked, and raise just one front wheel with the jack, leaving the rest on the floor. If the wheel turns round by hand, there is a problem. If it just moves a little each way, accompanied by clunking sounds, all is fine.

In 2wd the wheel will trun with some resistance, and you will see the propshaft turning.

Yep, wheel turns by hand no matter what is selected whereas the other side doesn't when lifted so something is definately bust !.

If you lock both hubs, have the main gearbox in neutral and jack just one side up, the wheel will always spin. The question is if it is spinning the front prop up to the transfer box. If it does all is fine, if it doesn't the other side's hub is not locked for some reason and the motion you are creating is spinning out through that freewheeling hub as it's easier to do that than turn the prop.

Or ensure the engine is off, the gearbox is in a gear, the transfer box is in 4WD, both front hubs are locked and then jack one wheel up. If you can't turn it due to the compression of the engine, all is fine. If you can turn it and the compression of the engine is not working against you, you have a problem.

Don't assume it's something terrible like a broken shaft, sometimes manual freewheeling hubs are grotty inside and don't slide on and off the shaft properly so stay in freewheeling mode. Then it just needs a strip, clean and light re-greasing.

I'm sure you've either got confused or it's something simple, don;t fret yourself that you have a broken shaft yet!

Kirkynut

No mate, definately something broken as without the hub on, the splined shaft doesn't turn when the propshaft is turning (in 4WD in 1st gear, engine running with same side rear in air).

I have recently had a problem if I could say it was a real problem.
( as it only took half an hour to rectify )
I bought some Manual hubs, One vitara set and a set of Superwinch brand ones.I only got them for spares as I do have the the Aisin one fitted already.
The Superwinch ones were not engaging and the vitara ones were stuck.
So I done what I thought was right, stripped them and re-filled them with grease."Bad move"
Then I noticed that the velocity of the grease was stopping them moving correct as it was causing friction and stopping the Lock and unlock working free and easy.
I read on the internet that on NO ACCOUNT must you use grease in hubs and only to use a light coating of oil.
So I did and now both sets work fine, they click in and out great.

I took all the grease out by stripping the hubs and cleaning the whole lot with petrol and removing bits of rusty stuff with a wire brush before re-oiling.
Not a lot can go wrong with manual hubs, they are all very basic and easy to strip and build.
The Aisin type are fool proof and made strong, The Superwinch type are similar ( Strong made and easy to work with )
The Vitara hubs are well IMHO are put together with plastic, even the bit you turn is plastic, so I would tend not to recommend the Vitara ones.

Kirkynut's advice is right !

Cheers

Fieldsports wrote: I have recently had a problem if I could say it was a real problem.
( as it only took half an hour to rectify )
I bought some Manual hubs, One vitara set and a set of Superwinch brand ones.I only got them for spares as I do have the the Aisin one fitted already.
The Superwinch ones were not engaging and the vitara ones were stuck.
So I done what I thought was right, stripped them and re-filled them with grease."Bad move"
Then I noticed that the velocity of the grease was stopping them moving correct as it was causing friction and stopping the Lock and unlock working free and easy.
I read on the internet that on NO ACCOUNT must you use grease in hubs and only to use a light coating of oil.
So I did and now both sets work fine, they click in and out great.

I took all the grease out by stripping the hubs and cleaning the whole lot with petrol and removing bits of rusty stuff with a wire brush before re-oiling.
Not a lot can go wrong with manual hubs, they are all very basic and easy to strip and build.
The Aisin type are fool proof and made strong, The Superwinch type are similar ( Strong made and easy to work with )
The Vitara hubs are well IMHO are put together with plastic, even the bit you turn is plastic, so I would tend not to recommend the Vitara ones.

Kirkynut's advice is right !

Cheers

Yes I appreciate that but it's nothing to do with the hubs, the splined shaft is not even turning and if I operate the hub in my hand it locks and unlocks no problem (Aisin).

How are you trying to turn the splined shaft on the CV that comes through the hub? I've not tried but I doubt I could do it with my hand. Have you put some grips on it or something?

I take it you are using some of Martin's spacers to fit the freewheeling hubs?

Kirkynut

kirkynut wrote: How are you trying to turn the splined shaft on the CV that comes through the hub? I've not tried but I doubt I could do it with my hand. Have you put some grips on it or something?

I take it you are using some of Martin's spacers to fit the freewheeling hubs?

Kirkynut

He has the hubs off ...
Yea he has Martins spacers but he says its hub off and its still not working correct....or is it ?
I do not want to go over other peoples posts but..
Here is a main point that Kirkynut posted earlier.
"If you lock both hubs, have the main gearbox in neutral and jack just one side up, the wheel will always spin. The question is if it is spinning the front prop up to the transfer box. If it does all is fine, if it doesn't the other side's hub is not locked for some reason and the motion you are creating is spinning out through that freewheeling hub as it's easier to do that than turn the prop."
Does the above work ?

With one side of the car up and in 4wd the front and rear wheels (or shafts) will turn together, this happens on the drivers side like it should but not on the passenger side.

Gromit wrote:

Fieldsports wrote: I have recently had a problem if I could say it was a real problem.
( as it only took half an hour to rectify )
I bought some Manual hubs, One vitara set and a set of Superwinch brand ones.I only got them for spares as I do have the the Aisin one fitted already.
The Superwinch ones were not engaging and the vitara ones were stuck.
So I done what I thought was right, stripped them and re-filled them with grease."Bad move"
Then I noticed that the velocity of the grease was stopping them moving correct as it was causing friction and stopping the Lock and unlock working free and easy.
I read on the internet that on NO ACCOUNT must you use grease in hubs and only to use a light coating of oil.
So I did and now both sets work fine, they click in and out great.

I took all the grease out by stripping the hubs and cleaning the whole lot with petrol and removing bits of rusty stuff with a wire brush before re-oiling.
Not a lot can go wrong with manual hubs, they are all very basic and easy to strip and build.
The Aisin type are fool proof and made strong, The Superwinch type are similar ( Strong made and easy to work with )
The Vitara hubs are well IMHO are put together with plastic, even the bit you turn is plastic, so I would tend not to recommend the Vitara ones.

Kirkynut's advice is right !

Cheers

Yes I appreciate that but it's nothing to do with the hubs, the splined shaft is not even turning and if I operate the hub in my hand it locks and unlocks no problem (Aisin).

Just to add..you are right. If the Hub locks and unlocks in your hand then it is working.
You need to see if the shaft that sticks out through the hub turns the prop as if you had a manual hub on and it was in the locked position.

Please tell us if this is the case !