<VV> Pressuere retard

[Rick Norris]

This is where the Mityvac tool is good to have. Harbor Fright sells a cheap 
knock off that will work. I have the original one.

Rick Norris

>
>
> In a message dated 9/20/2009 5:34:26 A.M. Pacific Daylight Time,
> corvairguy2 at yahoo.com writes:
>
> Hello
> I have a problem with my spyder
> .. Gas keeps gettig  into the vacuum retard. Anyone have an answer for my
> problem?
> Also is there  a way to test it to see if it is working?
> Chuck
>
>
>
> Chuck - The Pressure retard is hooked directly to the right side manifold.
> If the diaphragm inside is broken or cracked somehow, boost in the engine
> would  send air and fuel into the unit, as it tries to escape to the
> atmosphere instead  of heading into the combustion chamber.
>
> You should be able to test it - after removal, not really hard to do, by
> applying some air to the nipple and see if the lever pushes out.  If you 
> are
> able to do that with an air source and keep air inside, like by shutting
> off  a valve, the lever should stay extended. If it retracts with the air 
> at a
> fixed pressure, the diaphragm is leaking and the unit should be replaced.
> You  might be able to do this on the car, space is tight in that area.
>
>
>
> Seth  Emerson
>
> C's the Day! - Corvair, Camaro,  Corvette
>
>
>
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