Date: Fri, 8 Jun 2007 22:06:09 -0500
Reply-To: John Rodgers <inua@CHARTER.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: John Rodgers <inua@CHARTER.NET>
Subject: Re: CV joints - anyone tried these?
In-Reply-To: <249554.99696.qm@web82704.mail.mud.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
The trick to preserve the bolt heads is to be sure they are clean when
they are installed - like washed with MEK then air dried. When installed
be sure the driver is clean - no grease. The after torquing give the
bolt heads a shot of rustoleum but don't drown the head. When dry,
pack the hole with really heavy grease or even oil based modeling cly -
anything to fill the hole - until time to remove them again. This keeps
dirt and water out and prevents them from getting all crudded up and
rusted. When ready to remove, simply pick out the filler with a sharp
tool, insert the driver to remove. Works well.
Regards,
John Rodgers
88 GL Driver
David Kao wrote:
> --- John Rodgers <inua@CHARTER.NET> wrote:
>
>
>> Under normal use, the things will last near 200,000
>> miles - PROVIDED you clean and grease them properly every 25,000 miles,
>> AND keep those boots in good shap - no cracks or tears, period. Routine
>> inspections are definitely in order for good longevity of the CV. Even a
>> little grit from a cracked or torn boot is a death knell.
>>
>
> I had a knocking CV joint when my Vanagon was around 50k miles. I still have it
> in the garage somewhere. It had a pitted groove in the cage. The boot was fine.
> Bought one at almost $80 (in the late 80s) and it has worked fine since then.
> I guess if I took it apart every 25k miles to clean and repack with fresh CV
> specific grease I might be still using the original now at 150k miles.
>
> I suspect routine inspection will do any good for the longevity of CV joints.
> Try to watch it everyday and see if it makes the CV joint last forever.
>
> I agree if you take it apart every 25k miles to repack it may do some good
> although you run some risk of ruined bolts, provided you spend your own time.
> If you hire a mechanic to do that you might consider just replace the entire
> axle every 50k miles and skip the 25k mile repacking. It will be still cheaper
> than paying the labor for repacking.
>
> By the way, if you ever rebuild a wasserboxer engine the head nuts are torgued
> at 50nm. Try to tighten the CV bolts to 45nm according to the spec. That will
> be a good exercise for your heart and blood pressure. Be aware that the CV bolts
> have much smaller hex head. Use correct allen head wrench and torgue it fearlessly.
>
> I searched the archive from 2003 to 2007. Did not find a single report about
> the horrible stories of any non Lobro brand CVs. All of them (probably over a
> hundred) are problems with OEM CV joints.
>
> David
>
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