Question about 2000 GMC Jimmy
Why when adding fuel it leaks with an almost empty fuel tank have to add $5 at a time. what could leak at that low fuel level?
Answers 1 & 2 pretty much nailed it, you have a hole in the tank or well that's pretty much it. There are no outside lines that close to a near empty tank and your fuel pump is either midway on the side ot mounted into the top, so I'd place my money on either a hole under the tank strap or a seam on the tank gave way.
Posted on Dec 13, 2014
Hole in tank. Most likely a hole right in the bottom. If you can't find it right away, it could be under the straps that hold it on. Can you see anything wet near the bottom of the tank? Does it leak while its running, not running, or both?
Posted on Nov 22, 2014
Surely you can see the fuel on the outside of the
fuel tank or a rusted fuel tube under it
You should be able to find that issue in 10 minutes
IF you get under it
That is only 2 gallons added at a time
Wouldn't you think the fuel tank is the issue,if
it leaks without the motor running
Now you also know we can not guess from here
Posted on Nov 22, 2014
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Posted on Jan 02, 2017
SOURCE: gas gauge
The float that moves the gas hand is possibly stuck in the tank. If there's isn't an access hole in the rear of the vehicle you'll have to drop the tank. Unless it becomes free on it's own. Hope this is helpful. Please rate. Thanks
Posted on Sep 28, 2008
SOURCE: Fuel Leak
VERY carefully. This is a dangerous job due to the explosive nature of gasoline. I would recommend doing it outside on a breezy day (to dissipate fumes that are highly explosive). I would also recommend running the tank down low before. You can purchase rubber fuel line to replace it. Slide the rubber line over the metal line where it's solid, clamp it, and do the same for the other end. Be Careful!!! Use plastic zip ties to support the hose and prevent it from hanging down.
Posted on Mar 18, 2009
Other than replacing the sensor which is part of the fuel pump assembly inside the tank, you may have loose or corroded connections in the wiring just outside of the fuel pump/sensor position on the tank. These connections are exposed to water/salt conditions from road spray. May the force be with you!
Posted on Jan 30, 2010
check the intake gasket if it is leaking make sure the water pump is not leaking, check the heater core coupler sometimes those get brittle and crack.
Posted on Dec 02, 2010
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