Leaking inner cv boot

Gearboxs, Transfers, Tailshafts, Diffs, axles and CVs

Leaking inner cv boot

Postby Cool95 on Thu, 15 Nov 2012 6:39 +0000

Hi I have just noticed that the lhs inner cv is leaking some grease it is coming out of the circular clip at the end of the boot. The boot is ok no cuts, what do I need to do to put replacement grease inside the boot? Is it possible to do in situ by undoing the clamp and syringing in some grease?

Cheers joe
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Re: Leaking inner cv boot

Postby BURNSEY-94 on Thu, 15 Nov 2012 7:00 +0000

Yep, if you have lost grease, just loosen off the SS clamp, inject grease and retighten the clamp.
Cheers,

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Re: Leaking inner cv boot

Postby Cool95 on Thu, 15 Nov 2012 7:05 +0000

BURNSEY-94 wrote:Yep, if you have lost grease, just loosen off the SS clamp, inject grease and retighten the clamp.

What type of grease is required for the CV? Glad it can be done by loosening the clamp.
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Re: Leaking inner cv boot

Postby BURNSEY-94 on Thu, 15 Nov 2012 7:10 +0000

It's the black moly grease.

Supercrap have it.

Read the label on the grease pot and it says for CV Joints.

Castrol LMN iirc.
Cheers,

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Re: Leaking inner cv boot

Postby BURNSEY-94 on Thu, 15 Nov 2012 7:13 +0000

Try and wipe very clean the clamping surfaces, both shaft and boot.
Cheers,

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Re: Leaking inner cv boot

Postby Cool95 on Thu, 15 Nov 2012 7:26 +0000

BURNSEY-94 wrote:Try and wipe very clean the clamping surfaces, both shaft and boot.

Thanks for your help :)
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Re: Leaking inner cv boot

Postby mitch_893 on Fri, 16 Nov 2012 4:36 +0000

Get a new clamp too. Bunnings now sell stainless cable ties, they work quite well if you wrap the 'tail' around some pointy nose pliers.
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Re: Leaking inner cv boot

Postby Cool95 on Sun, 25 Nov 2012 7:20 +0000

mitch_893 wrote:Get a new clamp too. Bunnings now sell stainless cable ties, they work quite well if you wrap the 'tail' around some pointy nose pliers.



Wish I had read this post I started to do this yesterday after buying the grease, but found that the clamp is made of plastic like a large cable tie and is very loose can turn it around easily, I had a new boot fitted year ago and they put this plastic crap on. But as I live in the country it takes 1 1/2 hours return trip to town to buy stuff, so I plan to buy most things on one trip each week, I will buy the two sizes and keep a spare each, it seems that if they become loose they cannot be tightened up, I can understand with screw type clamps coming loose unlike a cable tie.

This raises another question sorry about this but how do you remove a ss tie clamp without damaging the boot?
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Re: Leaking inner cv boot

Postby Tys91 on Sun, 25 Nov 2012 7:36 +0000

BURNSEY-94 wrote:Yep, if you have lost grease, just loosen off the SS clamp, inject grease and retighten the clamp.


+2

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Re: Leaking inner cv boot

Postby Cool95 on Sun, 25 Nov 2012 7:49 +0000

Tys91 wrote:
BURNSEY-94 wrote:Yep, if you have lost grease, just loosen off the SS clamp, inject grease and retighten the clamp.


+2

Sent from my GT-I9305T using Tapatalk 2

So I should buy a screw type ss hose clamp not a cable tie type.
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Re: Leaking inner cv boot

Postby DeadlyBeast on Mon, 10 Apr 2017 6:22 +0000

Noticed this yesterday :evil:
Image

Will post pics of the fix... when the other half of the fix arrives
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Re: Leaking inner cv boot

Postby Talktheroo on Thu, 13 Apr 2017 3:51 +0000

The grease ends up cracking the end of the boot, DB. Just degrease it and keep an eye out on it.
This usually happens when the grease goes to liquid because it has got hot in there.
The Roo.
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Re: Leaking inner cv boot

Postby DeadlyBeast on Mon, 24 Apr 2017 6:54 +0000

The new strut shaft was way to thick - Monster Rides diff drop relocation brackets moves CV shaft forward as well as down to create extra relief of CV angle. Supplier said it wont be a problem... but
Image

Image

Image

Grabbed a cheap banding tool from the local auto shop
Image


Looked good but the bands are much thinner than OEM and difficult to gauge how tight to wind
Image

Obviously not tight enough
Image

These bands were never a long term solution
Picked up a couple boot clamps from Toyo dealership
Image

Waited for this to arrive in the post
Image

Did a ton of reading - it appears that unless you clean the grease from the mating surfaces it will continue to leak
An exercise in patience cleaning out the grease 20 odd times with a new clean cloths to get it completely dry
The smooth edge of a allen key worked well to get the cloth inside the boot
Image

Image

Image
This tool doesnt quite get the band tight enough - that gap between the crimps should be 0.8mm


Did consider getting SST 09521-24010
ScreenHunter_02 Apr. 24 18.39.jpg

But at over $200 US decided to get a OTC 4722 CV Boot Clamp Installer for about 1/4 the price
Another 2 week wait...
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Re: Leaking inner cv boot

Postby Dylan 191 on Wed, 26 Apr 2017 6:29 +0000

Some of these are good for the crimp on air fitting clamps , could do the job on the boot clamp aswell.Image
Last edited by Dylan 191 on Sat, 29 Apr 2017 12:23 +0000, edited 1 time in total.
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Re: Leaking inner cv boot

Postby DeadlyBeast on Thu, 27 Apr 2017 6:29 +0000

I thought about using something like this but the thickness of the jaws would make the ear of the clamp sit a bit too high. The STT and boot clamp pliers have thin jaws and push the ear down to maintain a low profile .
Saw a couple youtube clips of guys using thin jawed end cutters - it just sat a bit proud
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Re: Leaking inner cv boot

Postby DeadlyBeast on Thu, 25 May 2017 9:25 +0000

Having read many forums some guys have never ending problems with cv leaking.
Some resort to rebuilding the cv, some buying a new cv, one guy said he is going to buy a new car as long as its not a Toyota

Got this tool from Amazon
Fairly crude but effective

Image
Image

Tightened up to specification - no more leaks.... so far


Post edit: PhotoBucket images restored with imgHOSTR image hosting
No leaks after 18 months and many hard km
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Re: Leaking inner cv boot

Postby TOYZX on Fri, 26 May 2017 4:50 +0000

Nice one DB. Looks very simple! Could you put up some more pics of just the tool please? I reckon I'll have a go at making one.

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Re: Leaking inner cv boot

Postby DeadlyBeast on Fri, 26 May 2017 6:34 +0000

No problem mate

You can also google OTC 4722 CV Boot Clamp Installer
I thought about making one but figured it would take me a few hours of mucking around.
You will probably knock one up in half the time

P1050202.JPG


P1050203.JPG


Perspective of shot makes it look wider than it really is
31mm wide
160mm in length
Mouth opening is 10mm at widest x 4.5mm
Teeth are 1.5mm thick

Hard to see in the image but I filed down the teeth to have a 45 degree chamfer to ensure the boot clamp ear slips into the mouth of the tool.

Appears to be made from hardened steel

Let us know how you go 8-)
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Re: Leaking inner cv boot

Postby TOYZX on Fri, 26 May 2017 1:58 +0000

Your a legend!

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Re: Leaking inner cv boot

Postby BCH on Sat, 27 May 2017 12:47 +0000

Where did you get this from?


DeadlyBeast wrote:No problem mate

You can also google OTC 4722 CV Boot Clamp Installer
I thought about making one but figured it would take me a few hours of mucking around.
You will probably knock one up in half the time

P1050202.JPG


P1050203.JPG


Perspective of shot makes it look wider than it really is
31mm wide
160mm in length
Mouth opening is 10mm at widest x 4.5mm
Teeth are 1.5mm thick

Hard to see in the image but I filed down the teeth to have a 45 degree chamfer to ensure the boot clamp ear slips into the mouth of the tool.

Appears to be made from hardened steel

Let us know how you go 8-)
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