Rodeo CV's ... there has to be a better way!!

[rainsey]

Welll... not so much the CV perse' but the axle at the end of the CV.

In my TF 98 model at least the axle stays in place by a circlip. I was up in the Wattagans today doing what comes Holden Customer Services would probably state the Rodeo was not ment to do.... and on a seriously fun rock hill, heard a very unnatural crack.

The result intermittant to no drive from front wheels. 1st thought was a CV so with tail between my legs I left the GQ and GU's (Oh and one very very very modded 2006 lux) that I was there with behind to dawdle home to pull my front hub apart.

The CV was fine, but there were no splines on my front axle from where the circlip should be. The noise I was hearing was, I think, the axle popping in and out and the resulting grins as the axle splines met and then did not.

Now.... this has happend to me before, exactly the same breakage. Now there has to be a better way of holding the axle in. My axle has what looks like a 8mm thread in the end of it. If one was to piss of the circlip and manufacture a circular bush that went over the end of the axle and has a lip on it that held tight against the inner assembly of the freewheeling hub would it work.

The splines break off because the downward travel of the suspension puts a hell of a lot of force on the circlip, the steel splines fracture and the circlip finds a nice home in the grease of the free wheeling hub. With the above washer bolted to the axle, there would be no pressure on the splines, only on the bolt.

Thoughts... will it work or am I missing something here??

Cheers

Rainsey

[sudso]

I vote Rainsey for Head of Isuzu R&D!

[rainsey]

Hey Sudso..cool, then I could design a truck that has options with all the bits and peices I want, thus no more engineering...... bring it on!!

Re the washer though...I have to get hold of someone with a lathe to make one up ... I'llletyou know how I go.

Cheers

Rainsey

[rainsey]

Sudso...I better resign from R&D, found that we had a lathe at work today(what we use one in a hospital for I have no idea!!) so tonight I took some more accurate measurements of the axle.

With the axle properly seated in the hub, there is only 2.5mm space between the end of the axle and the inside of the manual locking hubs. No space for a bolt.

I am going to buy a new axle and replace the faulty one with the view of seeing if I can turn down 4mm from the end of the dud one. All ready for next broken axle.

Cheers

Rainsey

[sudso]

Cool. I've never had my axle apart or any cv for that matter but by your description it gives me a good idea of what you want to do.

Sudso...I better resign from R&D, found that we had a lathe at work today(what we use one in a hospital for I have no idea!!) so tonight I took some more accurate measurements of the axle.

Turning up prosthetics?

Have you looked into aftermarket cv's that have a greater operating angle?
I think Haultech or Longfields make them

[rainsey]

I have seen reference to the Haultech and had no real success in finding anything out about them.

Do you have any reference to either the Haultech or longfield units?

Cheers

Rainsey

[crankycruiser]

I know 4 runners only have a bolt and a washer on the end of the spline.. cant see why u couldnt do it in a deo..

[rainsey]

Yeh.. thats what I thought!!

It is that there is only a poofteenth of an inch between the end of the axle and the inside of the freewheeling hub. There is no space for a bolt head and some form of washer.

If the axle was 5mm shorter.. no sweat..... but alas.... the Isuzu design team strikes pay dirt again.

If I ever meet one of them... i'll introduce them to my mother inlaw!

Cheers

Rainsey

[sudso]

I have seen reference to the Haultech and had no real success in finding anything out about them.

Do you have any reference to either the Haultech or longfield units?

Cheers

Rainsey

Me neither. Must have been a different brand of CV. I know I saw some on the net somewhere that allowed a lot more static angle without chewing them up etc.
It could have even been a build up on an overseas site where I saw them. I should have saved it in my favourites

As for the clearance at the end of the axles, could you cut enough off the end of them for the bolt heads, then drill and tap for the bolt?
Or, and this would be exxy$, take the axles to a machinist and get the ends recessed in the centres enough for bolt head clearance. That would depend on axle diameter vs. bolt head size though and whether you could fit a socket on as well to tighten them up.
HT bolts and Loctite would be the go?

Just a thought or 2.

If I ever meet one of them... i'll introduce them to my mother inlaw!

x2

cheers