'fairly snug' is correct..
and ..
I have found the cheaper versions of those sensors to just break if you
tighten them too much.

one supplier I have sells them for under $ 3 I think ...you can guess
where those come from.
check to see if yours is cracked.
Fair to say the plastic bottles may vary in quality also I think.

scott

On 4/28/2012 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
>