Be careful to not ever tighten it, as the plastic body will crack in the narrow o-ring land.  That's a good place to look for a hidden crack, BTW. 

Karl Wolz
Sent from my electronic umbilicus

On Apr 28, 2012, at 1:06 PM, Alistair Bell <albell@SHAW.CA> wrote:

> I'e seen one where the coolant seeped up between the steel pin and plastic body to escape through electrical connection. I suppose that could be fixed by some JB weld.
> 
> alistair
> 
> On 2012-04-28, at 12:19 PM, Edward Maglott wrote:
> 
>> I have a small leak at my '86 Vanagon.  Just a seep really.  I
>> removed it and don't find any obvious defect in the sensor, the tank
>> or the o-ring.  I've cleaned all the parts and am just going to try
>> putting it back together and see if it still leaks.  Can't find any
>> torque value in the Bentley.  My best guess is just to make it
>> "fairly snug" but is there an actual value listed anywhere?
>> 
>> Thanks,
>> Edward