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Fuel Pump Sending Unit Repair
Hello. Was looking for the procedure to repair sending unit for erratic fuel gauge readings. I completed this 4 years ago and have the same issue. The link from back then was:
http://home.comcast.net/~84gngary/sendingunit1.html Can anyone tell me where the new link may be with all the detailed steps by 84gngary? I also have a new issue that came up today. I drove 300 miles on the odometer, and was only able to get 7 gallons of gas into the tank before it spewed out of the filler pipe. I am thinking it must be vent or carbon canister related? Anyone have any ideas? Thanks!
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IL KIM 85 GN w/86 motor, TRW pistons, Weber 206 billet roller cam, EGR welded, o/sized valves, 130psi springs, roller rockers, 3000 conv, adj w/gate, FPR, custom rad, KB ram air, ported, KB headers, Walbro 340M/hotwire, 60lb Hi Z, CPT66bb Last edited by IL KIM; 10-16-2010 at 01:40 PM. |
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Re: Fuel Pump Sending Unit Repair
The links on that page work fine...IF you view it in Internet Explorer ONLY.
I would check your vent line.
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Scott Keller - GNTTYPE Founder & Moderator
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#3
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Re: Fuel Pump Sending Unit Repair
Thanks Keller. I was not using Internet Explorer as I found Mozilla Firefox to be much quicker for my aging computer.
How does one "check the vent line" please?
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IL KIM 85 GN w/86 motor, TRW pistons, Weber 206 billet roller cam, EGR welded, o/sized valves, 130psi springs, roller rockers, 3000 conv, adj w/gate, FPR, custom rad, KB ram air, ported, KB headers, Walbro 340M/hotwire, 60lb Hi Z, CPT66bb |
#4
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Re: Fuel Pump Sending Unit Repair
Looks like the links are:
http://home.comcast.net/~84gngary/sendingunit1.html http://home.comcast.net/~84gngary/sendingunit2.html
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Ken Mosher 1987 GN original owner 650+ HP Black 2015 BMW 328xi XDrive wagon 2012 Volkswagen Tiguan (the Tig!) Night Blue Met (sold) 2006 Trailblazer SS Red Jewel Tint 395 HP AWD (sold) 2014 Silverado LTZ Crew 4WD 2012 Honda VFR 1200F Tahitian Blue (sold) 2015 BMW S1000R Racing Red 2013 Honda CBR500R Red (wife's bike) 2014 Triumph Bonneville T100 2003 Harley Davidson V Rod Anniversary Edition |
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Re: Fuel Pump Sending Unit Repair
Thanks Ken. I can use those links to fix the gauge.
How does one check the fuel tank venting?
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IL KIM 85 GN w/86 motor, TRW pistons, Weber 206 billet roller cam, EGR welded, o/sized valves, 130psi springs, roller rockers, 3000 conv, adj w/gate, FPR, custom rad, KB ram air, ported, KB headers, Walbro 340M/hotwire, 60lb Hi Z, CPT66bb |
#6
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Re: Fuel Pump Sending Unit Repair
I suppose you would insure that it is unobstructed and passes air freely.
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Scott Keller - GNTTYPE Founder & Moderator
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Re: Fuel Pump Sending Unit Repair
I can't find the word "vent" in the fuel technical section. What part might become obstructed or not pass air freely?
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IL KIM 85 GN w/86 motor, TRW pistons, Weber 206 billet roller cam, EGR welded, o/sized valves, 130psi springs, roller rockers, 3000 conv, adj w/gate, FPR, custom rad, KB ram air, ported, KB headers, Walbro 340M/hotwire, 60lb Hi Z, CPT66bb |
#8
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Re: Fuel Pump Sending Unit Repair
There are three lines on the fuel pump hanger: fuel supply, fuel return, and vent. The vent line connects to the charcoal canister, I believe. In essence, you should check that the vent passage is open and that the hose/piping connected to it is clear as well. I would just set up an air line and see if the passages flow cleanly.
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Scott Keller - GNTTYPE Founder & Moderator
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Re: Fuel Pump Sending Unit Repair
Thank you.
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IL KIM 85 GN w/86 motor, TRW pistons, Weber 206 billet roller cam, EGR welded, o/sized valves, 130psi springs, roller rockers, 3000 conv, adj w/gate, FPR, custom rad, KB ram air, ported, KB headers, Walbro 340M/hotwire, 60lb Hi Z, CPT66bb |
#10
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Re: Fuel Pump Sending Unit Repair
well what did you find?
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