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Re: [GMCnet] Fuel Filters [message #328055 is a reply to message #328050] Mon, 08 January 2018 18:32 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
Last time I checked, I cannot push or pull a GMC Motor home by hand.
In hot weather, I do occasionally experience vapor lock. I have an
auxiliary fuel pump connected to the auxiliary fuel tank valve so that when
I change the position of the switch from main to auxiliary, the fuel pump
will run. I NEVER, EVER, run any vehicle I own below 1/4 of a tank, and
gages on a GMC are notoriously inaccurate. You are free to do anything you
wish in this regard. I wish you well.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

On Jan 8, 2018 4:20 PM, "Ken Burton" wrote:

> I quite frequently (not always) run on the aux tank feed just to exercise
> the selector valve. When I see the level dropping on the aux and not on the
> main I assume that I have run that tank and the main below the 7 gallon
> point and I know the valve and fuel system is working as designed.
>
> When I rad people never run below 1/2 tank I question why fill it up and
> carry all of that extra fuel around? If you are only going to run to the
> 1/2
> point then only fill them 1/2 (plus a little) in the first place. I fill
> them and run until the low fuel light comes on unless I find a cheap or
> non-ethanol station before then. I have no idea how far the coach will go
> after the light turns on because I have never run it to the point of
> running out of fuel.
>
>
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
>
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