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08-05-2007, 06:00 AM
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#1 |
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Registered User
Join Date: Oct 2005
Location: Wilmington,DE
Posts: 29
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Determining a stuck fuel sender from outside the truck
A quick question and maybe a stupid one as well,
I have a 72 c30 dually wrecker and my gauge is staying a 1/4 tank but moves at 1/16 either way when using or filling the tank. It just happend last week while towing my car. I supect the float is stuck or heavy (has a crack) But I would like to check it before taking out the seat (solid will not fold) and yada yada. Has anyone used a rod through the filler neck to move the float? I noticed from pictures ,the sender is located more to the passenger side possablly making this idea a mute point. Thanks,Mark Last edited by ml68nova; 08-05-2007 at 06:01 AM. |
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08-05-2007, 07:27 AM
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#2 |
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WTB this ad
Join Date: Sep 2004
Location: Lafayette Georgia
Posts: 5,074
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Re: Deteriming a stuck fuel sender from outside the truck
Mine did exactly the same thing for a couple days and then suddenly started working again. I suspect a sending unit is in my future
 . The filler goes in at an angle so it's going to be difficult to run anything straight through it. I would think a good sturdy coat hanger might be able to be used to bump the float? Who knows? Keep us updated!
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08-05-2007, 09:03 AM
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#3 |
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Registered User
Join Date: Sep 2005
Location: Villa Rica Ga
Posts: 889
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Re: Deteriming a stuck fuel sender from outside the truck
pulling the seat isnt that hard of a job, i would just take it out and pull the sending unit. its 8 bolts. good luck.
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08-05-2007, 12:09 PM
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#4 |
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Registered User
Join Date: Aug 2005
Location: Pasadena,Tx /Pto Pta DR
Posts: 5,415
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Re: Determining a stuck fuel sender from outside the truck
You can put a Rheostat and Ohm meter on it and verify if its the sender. Senders don't cost a whole lot. Generally run from $25.00 to $30.00.
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08-05-2007, 08:09 PM
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#5 |
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Registered User
Join Date: Mar 2004
Location: Red Chute,LA
Posts: 62
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Re: Determining a stuck fuel sender from outside the truck
I changed my sender with the seat full forward.
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08-05-2007, 09:35 PM
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#6 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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Re: Determining a stuck fuel sender from outside the truck
to check the guage pull the tan wire at the tank and ground it out. Your gauge should go to full or over full tank when grounded. If it doesn't move it is the gauge or the wire.
__________________
Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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