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Stuck CV joint and wheel hub

9.4K views 15 replies 6 participants last post by  vsalcedop  
After trying to get the wheel hub out with knuckle still attached to the car - and completely failing - removed the knuckle fully. This includes two ball joints (lower arm and tie rod) and two large bolts securing knuckle to the strut.
Removing speed sensor: take out the bolt securing it to the knuckle and try to pull the sensor out. About 99% chance it will not come out, so then you undo the bolts securing it to strut and wheel well, unplug it, and pop off the plastic holder securing its connector to frame.

Getting hub out of the knuckle, once the knuckle is off:
A kit like this may do the trick:
If you have a press, can use that. You could also rig something using clamps and a hydraulic bottle jack.

Problem is, that speed sensor protrudes into the knuckle and is in the way. Real hard to get the hub out without destroying the sensor in the process. If you do damage the sensor, you will need to order a new one (about $40 for OEM, make sure you get the correct side). Old sensor will need to be drilled out. It is 3/8" diameter. I used a 23/64" bit drilling out mine. Make sure you drill it out BEFORE putting the new hub in. In general, the magnetic ring on the hub is real easy to damage, so be careful with it.

Now onto the axle... I already gave a full account of my travails in the thread linked above. If that support bearing is stuck in its bracket, there's just no clean way of getting it out without destroying the support bearing.
Not sure what you mean by "trying to replace the CV joint". Exactly what parts have you ordered? Cause you have two options:
If you have not done any serious hammering yet, you can retain the inner axle portion. Clean out the inner joint cup, do whatever you needed to do with the outer CV joint, and then reassemble the axle in place using a new inner boot kit, repacked with new grease etc.
Or you bite the bullet, force the old axle out and replace with a full new axle.
 
What I linked above is mainly for hub pulling. It sits against the face of the knuckle while pulling at the hub from behind. Pushing out the axle kinda requires to apply pressure in the opposite direction.

The tool that works better is one of those kits:

You attach a plate to the hub with lug nuts, and then use the black bolt to push the axle out. If the hub is not really frozen in the knuckle, you can then use slide hammer in the same kit to get the hub out. I.e. even in rust belt, rear hubs come out with just a few taps. For the front hubs, slide hammer can be used to pull out the moving portion of the hub, so getting out the rest of the hub is easier.
 
I was able to get the axle out, there was corrosion around the bearing that was preventing the axle from coming out. New axle is in place, I’m still working on getting the hub out of the knuckle.
Your best bet for this is supporting the knuckle on a pair of stands with hub itself facing down and applying force to the edge of the hub from behind. If you don't have that hub removal tool, next best thing is a press.
You might consider visiting a local mechanic and see if they can press the hub out of the knuckle for you. With proper tools, this is literally a two-minute job.