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12-12-2012, 12:45 AM
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#1 |
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Registered User
Join Date: May 2007
Location: East Haven, CT
Posts: 882
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Can only fill new tank halfway
I had to replace the 16 gallon tank on my 87 for the 2nd time in 5 years. Ever since the install I can't get fuel in the tank past 8 gallons! I have double checked the filler neck and vent hose for any kinks or twists. Everything seems good.
This happens at any gas station. The old tank never had this issue. I have tried filling it slowly, nozzle at various angles. Nothing! What gives!?
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87 Chevy 2wd SWB: 305/700r4 Dual Exhaust, K&N Filter, Injector Pod Spacer, TBI Spacer, Belltech Front Sway Bar, Corvette Servo, Western Chassis 4/6 and c-notch |
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12-12-2012, 03:26 AM
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#2 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Can only fill new tank halfway
Is your gauge reading true empty?
Posted via Mobile Device
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12-12-2012, 09:13 AM
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#3 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,313
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Re: Can only fill new tank halfway
are you sure vent and return are to the correct fittings?
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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12-12-2012, 11:13 AM
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#4 | |
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Registered User
Join Date: May 2007
Location: East Haven, CT
Posts: 882
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Re: Can only fill new tank halfway
Quote:
As for the gauge that is a good question. Anyway to test this? I think the only way to know for sure is to fill the tank, pop the filler neck off, and stick a piece of wood or something in the tank to confirm if it is full or not.
__________________
87 Chevy 2wd SWB: 305/700r4 Dual Exhaust, K&N Filter, Injector Pod Spacer, TBI Spacer, Belltech Front Sway Bar, Corvette Servo, Western Chassis 4/6 and c-notch |
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12-12-2012, 02:27 PM
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#5 |
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Registered User
 Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Can only fill new tank halfway
Can you get to the sending unit easily to remove it easily? A multimeter can tell you if the sending unit is bad. On mine it was a 90ohm sending unit and should read 0 to 90 (full), mine was reading 20 to 110.
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12-12-2012, 04:05 PM
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#6 |
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Registered User
Join Date: Jan 2011
Location: Port Coquitlam, BC
Posts: 202
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Re: Can only fill new tank halfway
If you have the aux. tank, run it dry, swap to the other tank to get to a gas station and then see how much it takes to fill.
Posted via Mobile Device
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