Front Axle Issue

[claudiosalva]

Hello,
I have a 1992 FJ80 that had an issue a couple of months ago with the front axle. I was driving and when I steer the direction stopped working. Then the tire went under the front axle. I bought most of the pieces and was rebuilt. Today that happened again and something in the front axle went out and the truck remained undrivable. I need help to solve this issue once for all. Any advice or help will be really helpful, I am in Los Angeles/Valencia area in case someone can help. I will post the pictures of how it is right now.

 

[Irish Reiver]

Other than the 4 knuckle nuts coming undone or the the studs shearing i can't think of any single thing that would cause that.
Can you get photos of the 4 studs/nuts under the knuckle.
These are what i am talking about.

 

[claudiosalva]

Hey @Irish Reiver,
Thanks for replying, All the 4 knuckle nuts and the studs shearing were in place. I don't know exactly if they got worn down but really don't know.

 

[Broski]

Who did the work last time, looks like you’re still on the Road.
You’re going to have to get off the road jack it up and see what let lose, not knowing what was replaced last time makes it had to
diagnose

 

[claudiosalva]

Here some more pictures

 

[claudiosalva]

I think the Axle driveshaft went off.

 

[Broski]

Knuckle bolts sheared off

 

[Broski]

Likely theres more damage, is it the same side as last time ?

 

[claudiosalva]

@Broski Last time I replaced the CV Joint put a new one

 

[claudiosalva]

@Broski Yes it's the same side of the last time.

 

[Mat Jadamec]

looks like a huge fracture at the bottom of the axle housing outboard end in those pics. Maybe its just grease....I'd say your lower knuckle bearing is popping out under load due to lower stiffness around that fracture.

 

[BILT4ME]

You sheared the studs on the bottom of the right steering arm and the knuckle and spindle came off.

You need new trunnion bearings, new knuckle, probably a new spindle, wheel bearings, drive flange.

The parts were not assembled properly and not checked after rebuilding.

 

[claudiosalva]

@Mat Jadamec Thanks for replying, Do you recommend welding where the fracture is?
Or replace the axle housing outboard with a new one?

 

[claudiosalva]

@BILT4ME Yes, I Think that exactly is what happened. Do you have any recommended store that ships nationwide where I can find these parts?
Thanks

 

[BILT4ME]

@BILT4ME Yes, I Think that exactly is what happened. Do you have any recommended store that ships nationwide where I can find these parts?
Thanks

Cruiser Outfitters will have what you need.
www.cruiserteq.com

@cruiseroutfit

 

[leonard_nemoy]

Damn that sucks..... Goodluck with the repair.

I am going to check my nuts right now.

 

[Rusty Marlin]

Before you rebuild it, again, you should figure out what went wrong last time.
That's what I would consider a catastrophic failure. The trunnion bearings are laying in the knuckle.
The only way I can think of that they would come that loose would be if the bearing seats were not pressed in completely and you had a false torqe reading on the knuckle studs. The bearing seats would slowly press in under load until the bearings could pop free.
I would like to see a picture of the area under the axel shaft.

 

[Cruzerman]

I am going to check my nuts right now.

Hope they are still attached.

 

[BILT4ME]

I am going to check my nuts right now.

Don't forget to lube your shaft!

 

[Rusty Marlin]

I am going to check my nuts right now.

Don't forget to lube your shaft!

And grease your balls.