Quote:
Originally Posted by 78F350
I'm 99.7% certain that the boots are the same...

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I'm 99.7% certain that he's right about that.
My son & I did all 4 boots, servicing both axles. This was Fall, 2021, so details are a little fuzzy for me. As I recall, only 1 or 2 of the boots had tears, but even the ones that didn't looked dry and, as you manipulated the rubber, they had these little micro-cracks visible in them. So we decided to do all of them at once. And I don't recall having to keep straight "inner boot" vs "outer boot" when we went to replace them, ie I think they're identical.
If you were just removing and repacking one of the inner joints and replacing that boot only, I suppose
theoretically you could do it without pulling the whole axle. But I think it would be kind of a PITA, especially if you're taking apart the joint to clean up the bearings (which is what we did). I thought that would be true even working with it on a lift—if you happened to be working on a car on jack stands it obviously would be even tougher. Much easier to do a good job cleaning it up, repacking, and replacing the boot with the axle off and away from the car. It wasn't horrible getting them out, but I had my kid helping me, and he's pretty good at this kind of thing. As I recall, we did have to unbolt parts of the exhaust to be able to fiddle one or the other of the axles out. It's also much easier getting the axle reinstalled with a helper. In fact I think it'd be pretty damn difficult to do solo.