....but they have a warranty. If you just replace the boot, there's a chance you'll end up doing the job over to replace the joint later when it progresses to failure.Depends on if joint is contaminated. If not, you can replace just boots, but its a messy job. Lots of people just replace thevwhole axle, its faster and easy. Quality of aftermarket axles is inferior, but if you just want it going for regular driving its fine
Could it be coated in grease slung out of the CV boot? Yes, it looks like a steering rack boot.That pic is a steering rack boot.
Buy a new axle assembly I used to rebuild them but they are so cheap dollar wise ...and they work there's not a problem with them RockAuto is an excellent place or even your local automotive store.Can the boot just be replaced or should buy new axle?
( I do not believe this is what's causing that noise we are discussing on my other post about possible wheel bearings?) View attachment 414890
The funny part of all this is that I had the same p/s boot tear/leak in the same spot in the 2009 XL about 3 years ago. I did not even recognize it!! The funnier part is that Firestone just told me I have that "axle boot leak" when they did the alignment on Tuesday!!All these expert answers and only 4 recognized the Rack Boot. And yes, the boot is replaceable. And check the inner tie rod for play, no play its OK. However if you let that go too long and power steering fluid starts to leak because the seal got ate up by sand now you need a rack and alignment.
I am not at home in a place to safely get the car up where I need it. It does remind me of the 09 that I had a P/S rack boot replaced with a Moog part about 3 years ago. But, Firestone alignment guy said axle, but who knows if they know the difference? It looks like grease is splattered on bottom of the p/s pumpLooking at the picture the first impression was Power Steering boot!
However, on closer look I see some greenish grease almost slung in a plane around there. That could be CV joint grease. It would help if OP can post detail pictures of the boots. But in any case, either reboot using genuine boots if the joints are still good, or use reman axles from the dealer. You can check with an online dealer on that:
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Other members use new aftermarket axles with lifetime warranty. Such as Cardone off rockauto.
BTW, a sealed wheel bearing doesn't have that much grease to sling all over like that.