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-   Diesel Discussion (http://www.peachparts.com/shopforum/diesel-discussion/)
-   -   CV Joint Replace or wait? (http://www.peachparts.com/shopforum/diesel-discussion/236678-cv-joint-replace-wait.html)

JenTay 10-30-2008 04:51 PM
CV Joint Replace or wait?
 
The inner boot on one axle looks like it has seen better days BUT it is not busted. It is clearly in worse shape than the other 3 boots. It is cracked but all the grease is still in there.

Should i bother to get it fixed (i don't have the tools to install a new boot) by putting on new rubber or just wait till it splits open?

I don't imagine replacing the axle as real big deal but I'd like yall's opinion on what is the smarter approach to this situation.

UriahT 10-30-2008 05:10 PM
Well, if its still got all the grease, and isnt clicking yet, then you'll probably be fine for a while. It will fail eventually.

Mine made noise for a long time before I had it replaced. Started showing up on long trips, then eventually made such unbelievably loud cracking sounds right out of the driveway. I'd replace it before it gets to that point...

ForcedInduction 10-30-2008 05:26 PM
If its still sealed, get the boots replaced.

DeliveryValve 10-30-2008 05:42 PM
Quote:
Originally Posted by ForcedInduction (Post 2007481)
If its still sealed, get the boots replaced.
If they are the factory units and are still good, with a boot replacement they could still out last aftermarket rebuilt units.

jt20 10-30-2008 09:42 PM
Quote:
Originally Posted by DeliveryValve (Post 2007502)
If they are the factory units and are still good, with a boot replacement they could still out last aftermarket rebuilt units.

ditto, and in addition,, I had a ricer w/ a clicking CV that went cross country and then some. I am sure a factory CV will outperform. Could save alot of cash and hassle by changing the boots early

sixto 10-30-2008 09:54 PM
babymog was parting a 350SDL a couple of months ago. Maybe he has a good axle for you.

http://www.peachparts.com/shopforum/mercedes-benz-used-parts-sale-wanted/232979-126-late-parts.html

Sixto
87 300D

JenTay 10-31-2008 08:40 AM
OK. So is this the tool to use to replace the boot? How in the world does it work?

http://www.handsontools.com/Astro%207831%20CV%20Boot%20Installer%20Kit_p_680-12798.html?thissku=12798&utm_source=googlebase&utm_medium=shopping&utm_term=Select&utm_content=Selec t&utm_campaign=broi&site=google_base

tobybul 10-31-2008 09:03 AM
Quote:
Originally Posted by DeliveryValve (Post 2007502)
If they are the factory units and are still good, with a boot replacement they could still out last aftermarket rebuilt units.
Marz, we might have to revisit a "how to" to the boot replacement on this thread..... seriously :)

dlevitt 10-31-2008 11:05 AM
It is possible to replace a boot with the axle still in place.

I needed to do this on my '71 Audi 100, and afterwards put over 20000 miles on the boot.

This was before they started selling kits with a prepared boot and special glue [at least for common sizes]

I started with a replacement boot, then slit the boot so it would fit around the axle. [used a new XActo blade that I had cleaned to remove any surface oil]

Then I removed the old boot and its clamps.

I re-glued the edges of the boot around the axle [with crazy glue] clamping the narrow [axle] end with channel locks to keep the glued joint in compression for a few minutes.

Then I slid the boot up the axle, and secured it with new clamps. I checked it periodically for the next year and it didn't fail. [the we replaced the Audi with a Fiat 131 wagon]

jt20 10-31-2008 11:34 AM
Quote:
Originally Posted by dlevitt (Post 2008131)
It is possible to replace a boot with the axle still in place.

I needed to do this on my '71 Audi 100, and afterwards put over 20000 miles on the boot.

This was before they started selling kits with a prepared boot and special glue [at least for common sizes]

I started with a replacement boot, then slit the boot so it would fit around the axle. [used a new XActo blade that I had cleaned to remove any surface oil]

Then I removed the old boot and its clamps.

I re-glued the edges of the boot around the axle [with crazy glue] clamping the narrow [axle] end with channel locks to keep the glued joint in compression for a few minutes.

Then I slid the boot up the axle, and secured it with new clamps. I checked it periodically for the next year and it didn't fail. [the we replaced the Audi with a Fiat 131 wagon]

that is pretty daring.

you said you split the boot in half to get it over the axle?

the conventional method is to remove the axle.

rs899 10-31-2008 12:14 PM
If it was me and the boot is only cracked and not leaking, I would only do watchful waiting, unless you are contemplating a long trip. All of mine have been cracked for 5 or more years and only one has popped open. Even if/when they do pop, if you notice it right away you can still reboot. It's not a safety issue until way past the point when it makes noise (when dry).

DeliveryValve 10-31-2008 12:16 PM
Quote:
Originally Posted by tobybul (Post 2008020)
Marz, we might have to revisit a "how to" to the boot replacement on this thread..... seriously :)
Although I haven't tried it yet, it appears all you need is a long funnel and soap water or motor oil... Check out this video previously posted.

http://www.youtube.com/swf/l.swf?swf=http%3A//s.ytimg.com/yt/swf/cps-vfl62057.swf&video_id=F17tFS6ofzU&rel=1&showsearch=1&eurl=http%3A//www.peachparts.com/shopforum/showthread.php%3Ft%3D205346%26highlight%3Dcv%2Bboot&iurl=http%3A//i3.ytimg.com/vi/F17tFS6ofzU/hqdefault.jpg&sk=2mPgRGdlBnuiGih95I75TaHTtQ_AQo_oC&use_get_video_info=1&load_modules=1&hqt=1

tobybul 10-31-2008 12:46 PM
I remember this now. Slick as sn^t on a door knob!!! Might be a good winter project for my 84D.

If I can refurbish the orig axles, I'll have spare axles that I got from Advance.

Now - where to get good boots!!!

btw, i would vote for soap instead of oil. Oil can hasten the degradation of the rubber.

DeliveryValve 10-31-2008 01:09 PM
Quote:
Originally Posted by tobybul (Post 2008207)
...

Now - where to get good boots!!!.....
Dorman Universal CV boots from Autzone, et al.

They come with axle grease, but I would rather use the original oil... not sure type and where to get that stuff.

Jeremy5848 10-31-2008 01:24 PM
In one of the many previous axle threads here, someone suggested carefully cleaning the outside of the existing cracked boot, then smearing "tool dip" or some similar liquid rubber all over, so as to fill the cracks. I have no idea whether this would work but it might be worth trying.

The other thing to remember is that you may not notice right away that the boot has cracked, when it does. Once it is damaged enough to allow dirt into the CV joint, you're in for a rebuild, so it might be better to just replace the boot and be done with it.

Jeremy


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