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It might be easier just to find a new axle, one that isn’t tweaked….then swap your components into it. Just a thought.Hello all, this isn't the right thread but I am coming up short on finding what I am looking for. I have a 85 FJ70 and the caster is off from side to side. Driver side I have +1, and passenger is -3. So 4 degrees between the two. SPC88904 used to be available, but the company has discontinued making those offset bearings, and only sell ones for the 80 series now....I have a massive pull to the right, and am tired of the annoyance, it's also dangerous. My only option is to cut the axle tube, rotate the (round half moon the trunnion bearings install into???) knuckle, and re-weld. I would like to know if this is common, if there is a decent write up on this procedure, if the (round half moon part of the axle) slips into the axle tube and is then welded, or if it just butts up against it. Depending on that info, will dictate where I cut the tube, if I try to cut the factory weld and rotate being careful how deep I go, etc. Any help would be great!
Yes, there have to be something else very wrong there. 4° caster difference in a solid axle, wow.It might be easier just to find a new axle, one that isn’t tweaked….then swap your components into it. Just a thought.
Ive never heard of off set bearings.
Yeah, it's the caster, not confusing it with camber. Everything was measured on flat ground with weight on the vehicle. The front right side of the axle definitely had something bad happen to it, as it had a camber several degrees more positive than the driver. I ended up making a shim to go between the knuckle and spindle, similar to those used on Dana front axles, and my camber is now in check. Camber and thrust angle was what I imagined was always causing a pull. When I finally rectified all those things, and bought new tires, she was still flying off the road. So, I finally checked caster... You can imagine why I was reluctant to do so... Good to know the ball has a collar, would be interesting to know how long, but I'll look up a "cut and turn" and see what I can find.Are you sure? Are we confusing caster with camber? If you do a search for "cut and turn", which is sometimes done to the frt axle when folks do a "spring over axle"(soa) lift. They have to align the driveshaft/pinion angle 1st, then cut the weld at the ball and rotate it to get the proper caster The ball has a collar on it which slides into the axle tube and then its welded. To get a proper caster measurement the weight of the vehicle needs to be on the suspension and the vehicle needs to be level.
I agree with Mark, there's something going on with that housing. The caster angles from side to side should be the same from the factory. Ive never heard of off set bearings.
New bearings, rebuilt the entire front end about 25,000 kilometers ago.What's the condition of the trunion bearings? When were the knuckles last serviced?
If I can find one, I believe it would. Also, could kill two birds with one stone and get one already setup for disk brakes..It might be easier just to find a new axle, one that isn’t tweaked….then swap your components into it. Just a thought.
Yeah... Been that way since I bought it in 2017, don't know if someone locked up the brakes and went for a slide into a curb, or what exactly could have caused it to twist. Wouldn't think a wheel coming down while trying to climb something could do that, but maybe...I was planning on offset bearings of 2.2 degrees on both sides to bring them together, until I found out they were discontinued.Yes, there have to be something else very wrong there. 4° caster difference in a solid axle, wow.