| Re: [GMCnet] Fuel tank Sending Unit [message #76772 is a reply to message #76763] |
Mon, 15 March 2010 19:36   |
jayrabe
Messages: 509
Registered: June 2009
Location: Portland, OR
Karma:
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Senior Member |
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But is there any way of telling how much is in the aux tank without actually switching? I once tried to check my reserve tank after doing some driving through the mountains, and when I switched to the aux tank the engine started to die, telling me that clearly the aux tank was nearly empty. It fired back up immediately upon switching back to the main tank, but all in all that's an experience I'm reluctant to repeat.
And is there any way of fixing the situation so that your aux tank doesn't get depleted when going up and down hills? Is there some great design advantage to the way the cross-over is plumbed? Are there options?
thanks,
J Rabe
76 Palm Beach
Portland, OR
> From: emerystora@mac.com
> To: gmclist@temp.gmcnet.org
> Date: Mon, 15 Mar 2010 19:34:59 -0400
> Subject: Re: [GMCnet] Fuel tank Sending Unit
>
>
> On Mar 15, 2010, at 5:25 PM, Mark Torgerson wrote:
>
> > Wow - Thank you - you are right. As I understand it both tanks
> > drain down at about the same rate ....
> >
> > Thank you! I'm still looking for one local here in Portland
> > Oregon....
> >
> > Damon
> > '73 Canyon Lands
> >
>
>
> They only drain down evenly to about the half tank level. After that
> if you are going up and down hills you will have absolutely no idea
> if you have any fuel in the AUX tank and doin't have a sender in the
> tank.
> The fuel will flow from tank to tank. Usually from the AUX tank to
> the MAIN tank due to the location of the fill inlets.
>
> I know this from when I first got my GMC years ago. I had working
> gauges on both tanks but when I switched to the AUX I found it was
> almost empty. I walked 10 miles round trip to get a a can of gasoline.
>
> Emery Stora
> 77 Kingsley
> Santa Fe, NM
>
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