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unfortunately my CV boots have gone leaky. How critical is this, I was thinking about just putting a new band on it for the moment? Anyone have experience with how long the repair takes and tools involved? Thank you!!
There are a few ways to replace them, and none of them are easy. Unlike most vehicles, replacement axles are not readily available. Check some recent posts by @harveyf
I’m looking at same situation. Will be adding grease and reclamping. Can anyone recommend another size/type stainless clamp besides the OEM? Would like to use standard type with screw tightener. Thanks.
I’ve had some success with just regreasing and replacing the clamp. As long as the boot itself is in good condition and no issues with the joint, you might consider just doing the clamp.
Had the same issue, I cleaned it up super good, made sure the clamp was tight, then put a super small bead of RTV around where it was seeping. Worked fine, no more seepage.
The ideal is to replace the bellows with a complete GKN kit. Tightening or changing the clamps will not work for long because the problem is definitely the bellows that have dried out.
"how long the repair takes and tools involved"
If you're asking this question, the repair is not for you.
Even as an experienced DIY'er, I find this repair to be a PITA .
Take the axle to a trusted shop for them to sort it.
if you want a cheesy short term "fix" buy a needle point tip for a grease gun and inject some grease thru the boot until you get it fixed.
silver bullet's solution is also a short term option IMO
The ideal is to replace the bellows with a complete GKN kit. Tightening or changing the clamps will not work for long because the problem is definitely the bellows that have dried out.
Not necessarily, I had weeping of the CV grease on the rear of my car in the same manner. The boots were fine but the clamps that hold the large end on weren't tight anymore, the boot would spin on the axle. I think it's more common on cars that see the track which mine does.
I replaced the outer clamps with some better ones... hopefully this fixes the problem.
Alluded to above- here is my experience. BTW, I have a set of new boots, clamps, and the clamp crimping tool that I never used and will be happy to sell to someone.
Any trick to removing old clamp? Looks like can be hard to access. .want to avoid damaging boot
Assuming you have these stupid OEM clamps get a small screwdriver and work it in the gap and try to separate the clamp. I had to get a hammer to help... i would try to avoid cutting it.
Got the axles out. Wow that was not nearly as bad as I was expecting. Didn't have to remove the suspension ball joints, had to pull the ends of the sway bar off, and remove the bottom panel. The axle then had enough play to get out by unbolting it first, then using an axle push tool rented from AutoZone.
Now the tricky and not fun part, rebooting the axles.
I can pay a shop hourly to do this, is that the better route? I got a rough estimate of $300 from my local mechanic, could be more, could be less. To disassembly axle, clean, and reboot/repack. I trust him to do a good job, and I obviously haven't disassembled an axle before.
Vous avez fait le plus dur ! Il vous suffit de quatre kits de soufflets (GKN), d'une pince à circlips et d'une pince à colliers de serrage. Toutes les étapes sont disponibles en vidéo.
Serrez les boulons côté boîte de vitesses à un couple de 80 Nm (de mémoire) et les boulons côté roue à 430 Nm. Il est généralement nécessaire de remplacer les écrous de cardan côté roue après démontage. Porsche le recommande.
Last edited by lorenzo974; May 27, 2025 at 01:55 PM.
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Leaking CV Boot. How bad is it?
