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CV boot composition (reboot choice)

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Old 07-06-24, 02:09 AM
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FromFL
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Default CV boot composition (reboot choice)

An outer CV boot on my '04 is about to fail due to deep cracks. I always reboot with great success, meaning I have not ever had a CV joint go bad bc I catch them early. I've never really thought about its make-up, but I've read that thermoplastic is the only way to go; is that correct? Where is a good place to buy (NOT from the "stealership")?

Also: Am I the only one who does not remove the axle and just reboots while the axle is carefully supported in situ? I find it to be much faster and no need to worry about trans seal damage or circlip bending and not to mention dealing with the center support bearing (I think that's what it's called).
Old 07-06-24, 02:32 AM
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LeX2K
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All aftermarket boot kits are good for a few years then fail, I've tried. Have not replaced them with the axle in place never considered it honestly.
Old 07-06-24, 03:07 AM
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dwoods801
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If you can catch a damaged boot soon enough, then you can save the cv axle every time. Especially on Toyota’s, I had to do one on my brothers Prius a few months ago and I bought a new one that was designed like a clamshell, so i could cut the old one off, and install the new without having to pull the hub apart or anything. It just slipped into place and then I packed it with fresh grease and then finished with some special zip ties that held it together like the original one. It only took me an hour to do while the whole job.
Old 07-10-24, 07:33 PM
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AT3618
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I always buy the OEM CV boot kit for the replacement. It will last another 10-15 years and they are not that expensive even from the stealership
Old 08-09-24, 02:26 AM
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FromFL
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Well, this is a first. I got an EMPI boot from eBay but it came with 2 packs of grease (outer). Use both or was this an error? They are the size of a baseball.
Old 08-09-24, 02:39 AM
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LeX2K
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Some kits come with two grease packets one for inner one for the outer joint. Are they both the same? 1 packet per boot is the norm. Here's a typical grease packet for scale
Amazon Amazon
Old 08-09-24, 03:46 AM
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FromFL
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Oh, OK thank you. Yes, they are both the same and are the proper dark gray.
Old 08-25-24, 12:54 PM
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RayNada
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Similar issue on my girlfriend's 1996 ES300 - I was looking into replacing the boots, but in the end just realized it's faster / easier / cheaper to just install brand new half shafts. Here are the ones I went with and was really impressed with the quality. You've got to be super careful during installation that the ***** in the CV joint itself doesn't come apart (and when/if it does, getting things back correctly is sort of a nightmare), but outside of that it's pretty straightforward and results in all new boots, etc.

Amazon Amazon

Quality was very nice. Price was really reasonable.

Ray

Old 08-25-24, 01:07 PM
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LeX2K
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Not a concern for you but those rust very badly in the salt belt, in fact all aftermarket axles do I have to paint them. Yes it is a nightmare if you retract the joint too much. At least your car has 2-piece axles this makes the job far easier.
Old 08-25-24, 01:25 PM
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RayNada
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Yeah I could see where those might rust if not painted with tractor paint or something. And yes, when the CV joint comes apart, it's a straight nightmare. I had to reset the joints several times during installation despite my best efforts to keep everything perfectly aligned.

Ray
Old 08-25-24, 02:15 PM
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LeX2K
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Make sure to check the hex bolts after a few hundred miles they might come loose.
Old 08-25-24, 02:29 PM
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FromFL
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What bearings fall out? I've never experienced that and don't see how it's possible. If you mean the tripod, as found on the inner end, then yes they came apart twice on me but I just gave it love taps on the bench and it went in back without drama.

What was a "nightmare" was that no matter how hard I wailed on the (outer) joint trying to separate it would not happen. (Don't worry, I used a dead-blow hammer.)

Thank God for YouTube though: Just pull apart the inner tripod, after removing a snap ring, from the shaft and slide the outer boot from that end! I never would have guessed that as a solution.

Yes, this took more time than just slapping in an aftermarket shaft assembly, but where's the fun in that?

Most amazingly, the carrier bearing practically fell out of its housing.

Last edited by FromFL; 08-25-24 at 02:44 PM.
Old 08-25-24, 04:30 PM
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RayNada
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The CV joint can slip apart and the round ***** are a nightmare to get back into place (inside the CV joint itself).

I will double check the allen cap screws. I reused the factory ones as the ones which came with that half shafts were junk. But I will definitely confirm they are all still tight, thanks!

Ray
Old 08-25-24, 05:32 PM
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LeX2K
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Originally Posted by RayNada
I reused the factory ones as the ones which came with that half shafts were junk.
Good, the supplied ones are hilariously bad at least the ones I've seen and they're probably all the same.
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Old 08-25-24, 05:36 PM
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RayNada
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Originally Posted by LeX2K
Good, the supplied ones are hilariously bad at least the ones I've seen and they're probably all the same.
Yeah, the ones supplied in the kit were probably grade 2 at best; those went into the trash bin and I just re-used the OEM Toyota stuff.

Ray
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