Ok, thanks. I bought a whole new METAL valve from Van Cafe.Came with seal.
Have never had anymore troubles with leaks. Sweet!

On Wed, Oct 13, 2021 at 8:16 PM Eric Caron <ericcaron96@comcast.net> wrote:

> Yes,
>
> Rear heater valve, connection to the rear heater core.
>
> Eric
>
>
> On Oct 13, 2021, at 5:13 PM, John Rodgers <jrodgers113@gmail.com> wrote:
>
> Is this the one in the rear heater?
>
> On Wed, Oct 13, 2021 at 3:48 PM Eric Caron <ericcaron96@comcast.net>
> wrote:
>
>> Hi Folks,
>>
>> It took about two weeks but I received my O ring from GW.  I’ve replaced
>> it before and it lasted about 7 years.  Low usage and miles though.
>>
>> Are there any tricks to replacing it that makes it work better?
>> I clamped off both hoses.
>>
>> I remember simply wiping down the surfaces, pulling the old O ring gasket
>> and putting in the new one, and bolting together.   I’m just wondering why
>> it lasted only about 5,000 miles and 7 years.
>>
>> eRic
>>
>
>