[Vwdiesel] Fuel line Check Valves?
MLightner
mikel at buncombe.main.nc.us
Tue Mar 13 21:52:18 EDT 2007
>Right rear wheel well arch (take wheel off)
>At front of arch, the hosecoming down from the water separator has a black
>plastic gizmo spliced in to it witf a couple of compression ferrruls
>(probably by now all rusted out)
I didn't know about that one...
>You can poke a small diam rod in to the inlet end and unseat the disc to
>release any debris that might be holding it open. I have had one apart once (Epoxied it >back together)
cool, that's good to know. Do you mean you were able to reuse it after disecting it?
>It has a weak spring, and a disc made of rubberized fabric for the valve
I'd been wondering what's in there
>Sometimes they get sticky, or crud props them open and fuel drains back to
>the tank when the engine stops
I finally removed the one on my return line, it would get thoroughly re-clogged just sitting overnight. I next let it soak in some alcohol for a few days and it seems to have stopped reclogging, but I don't know if I'll ever trust it enough to use it again.
>Over a week, esp. if the car is parked facing uphill, this can suck all the
>fuel outof the pump body and supply line
>Been there
>The only time Ihave seen a retrn line check valve, I thimk was on a gasser,
>right at the tank where the return line attaches
My 85 Jetta has one, there's an access plate in the trunk.
>Sandy
What model is that on, or is it more than one?
Thanks, hope you're feeling better.
Mike in NC
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