CV boot cut or split open?
#1
CV boot cut or split open?
I was out on the trail earlier today when I looked under and saw grease all around the inner CV. I figured it split from lifting the front 2.5" some months back on (maybe) original boots. I couldn't see the cut at first, but found it when I got home. I was expecting it to be in a groove, but it was at the outer bellow edge (see photo). I would expect that it would tear in a groove if it were age related, but could a sharp rock or branch have done this? Trying to decided whether to replace/reboot both sides (if age related) or just that one side (if freak accident). Boots seemed pliable last I checked, but I'm not that experienced.
Last edited by flyinbrick; 03-23-2014 at 08:34 PM.
#2
Registered User
It's hard to tell the exact source of the leak.
I will say this, if the CV joint is otherwise unbroken and serviceable, go ahead and replace the boot. The OEM CV joints are marginally stronger than a parts store unit.
I will say this, if the CV joint is otherwise unbroken and serviceable, go ahead and replace the boot. The OEM CV joints are marginally stronger than a parts store unit.
#3
#5
Yup, after doing a mild lift a few months ago, also sorts of rubber parts started leaking. Ended up replaced UBJ, LBJ, brake lines, and OTR's. Yeah, gorilla tape for now, then figure out how to proceed from here. Just a weekend truck, so it will sit for a while.
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#9
OK, so I cleaned everything off and took a closer look. It really does seem a branch or something cut it. I stuck my finger into the slit and it did not crack further at the edges the way I would expect if the rubber was bad. However, I did find both inner boots are cracking near the small bands so looks like I'll be doing both sides.
I want to remove it myself and take it to a shop to reboot but I called around but could not find one place that will do just that. Several shops wanted 1 hour per side to replace and another hour to reboot. I want to stick with OEM. So let's see, $500 for a shop to do it or $100 for factory boots frkm eBay plus band tool plus my labor? Easy decision. Time to break out the prh bar and BFH.
I want to remove it myself and take it to a shop to reboot but I called around but could not find one place that will do just that. Several shops wanted 1 hour per side to replace and another hour to reboot. I want to stick with OEM. So let's see, $500 for a shop to do it or $100 for factory boots frkm eBay plus band tool plus my labor? Easy decision. Time to break out the prh bar and BFH.
Last edited by flyinbrick; 03-29-2014 at 10:24 AM.
#10
Registered User
Replacing the whole axle would be much easier than replacing the boot. If you've lifted it, I would imagine replacing the axles would be an upcoming and necessary task. Or atleast I would think?
#11
So I'm halfway through - disassembled both cv's and waiting for the boot kit and clamp tool. Removal took half hour each, re-boot will probably take an hour each so yeah, replacement is definitely easier but more expensive (if you go OEM) so it depends on how much your time is worth. Cheapest OEM I found was $150 at Camelback Toyota. I've also heard good things about CVJ Axles ($94/ea) but I was not able to confirm with them if they rebuild OEM cores or not when I called. As for whether axles need to be replaced, I did a lot of searching and talked to my mechanic and it is still unclear to me whether the joints really do "wear out" if protected by boots and not contaminated. my rationale was that being lifted, the boots will wear out much faster than the joints anyway so I might as well learn how to reboot instead of buying new axles every time.
#13
I notice you have 2" OME lift in your SIG. What springs are you running and did you do a diff drop? If so, did it help?
#14
Registered User
I've got the 881's in front and I didn't do a diff drop. I guess it all depends the angle of the axles, and I don't feel that mine is too bad. I've put about 20k on and I haven't had any problems, but some people say the diff drop really helps.
I've also heard of some guys rebooting with Porsche boots or something because they don't rub as much. I also know that some other guys stretch theirs out for the same effect. Just a random thought.
I've also heard of some guys rebooting with Porsche boots or something because they don't rub as much. I also know that some other guys stretch theirs out for the same effect. Just a random thought.
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