Tom,
I hope you're not saying you believe the VW dealer parts guy!
I believe the 75-90 oil that he refers to is for the front differential.
The silicone stuff is for the VC... two different reservoirs.
Bill
90 Westy Syncro
-----Original Message-----
From: Tom L. Neal <jneal@NETCOM.COM>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Friday, April 23, 1999 1:17 PM
Subject: Re: Re : How VC's work

>My VC seems to grab slightly in maximum turn situations causing what one
>person described as the "rubber left on the asphalt during turns". I
>assume the fronts are traveling further than the backs in max turns.
>Immediately after highway speed traveling in the San Joaquin Valley's
>furnace-like summers, the VC seems to grab slightly moreso during turns.
>
>My VW dealer parts guy said 75-90 oil goes into the VC.  This doesn't
>sound much like a patented special silicone.  Scary what some people
believe.
>
>Cheers, Tom Neal
>
>On Fri, 23 Apr 1999, Davidson wrote:
>
>> Well,
>> if temperature plays any significant role in the viscous coupling locking
>> up, it seems that we should see VCs in hot climates having a greater rate
of
>> failure. Does anyone have any evidence to support this?
>> Bill
>