O-rings do not normally need sealant if the mating surfaces are in good condition.  HOWEVER, I always smear a very light coat of RTV sealant on that O-ring when installing it just to keep it from falling out of place while I�m trying to get the pipe in position to insert the bolts.

On May 28, 2014, at 7:58 PM, Automatic digest processor <LISTSERV@GERRY.VANAGON.COM> wrote:

> Hey people.
> 
> I doubt this is the case, but did VW add sealant along with the rubber
> (neoprene?) seal at the coolant pump and big metal pipe where it seals
> to the pump?

Cheers,    

Frank Condelli
Almonte, Ontario, Canada
'87 VW Westy, '00 Kawasaki 250 Sherpa, "98 Ducati 750 Monster & Lionel Trains (Collection for sale)
Frank Condelli & Associates - Vanagon/Vanagon Westfalia Service in the Ottawa Valley
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