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May Have Pissed Somebody Off

If you had gas in a open 5 gallon bucket, for over 20 min in any room or enclosed space it will definitely smell for a few days id open the door for a few hours if you can and air it out...
 
The gas guage works on resistance. If your ground has a little more resistance your guage will read different. Or for that matter any connection in the circuit.
Since you may have undone and reattached the ground that is my guess.
 
shima said:
I've got both squares in the garage now. I am thankful that they're off the street. My Mitsubishi is low to the ground and has a steering wheel lock on it, so I feel best about that one being on the street. I don't keep anything in it so I'd be surprised if someone broke into it... and they're sure as hell not crawling beneath it.

When I walk into the garage these days, I'm getting blasted with gas fumes. I took the 'ol Home Depot bucket out of the garage because it still had a little tiny bit of gas in it... but that was days ago. The gas fumes are still strong. I'm not sure if it is from the skid plate (because it was soaked with gallons and gallons of gas) or if my putty seal is allowing fumes to escape. The fumes are definitely coming from the Blazer though, somewhere. Also, when the gas pump kicks off, my gauge shows just a little over 3/4 full. It used to work fine, so I have no reason to think it isn't accurate.

@HankScorpio can you smell gas when you get into your Jeep after driving it somewhere?

The behavior at the gas pump makes me think that the tank is super pressurized with fumes or something like that... but I don't know what the hell I'm talking about or if that's even possible.
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Not really. The only issue I have with gas fumes is my dune buggy. I think because its a carb. I pull it back into the garage hot and the bowl vent lets some fumes loose. The smell doesn't last more than a day and its not super bad. The jeeps have never been and issue. No skid plate to trap fuel when it leaked. I would think the bucket of gas or the fuel spilled on the skid plate is causing most of your issue. Pull it outside and let it sit in the sun next time it warms up a bit. I had a VW rabbit that would have gas fumes inside and it turned out to be a leak in the emissions vapor lines up in a wheel well. The fumes were kind of trapped in the wheel well and were getting inside. Replaced some lines and it was ok after. Gas smell is a tough one. It usually hangs around for a while even after it has dried out.
 
You should inspect the rubber lines. Possible the vandals damaged something else. Or maybe just old and split
 
I would take the Blazer to a car wash with a power washer (preferably heated if you have that option), and blow it off good around the fuel tank area.

Martin
 
Well, I found the problem. My patch is leaking.

View attachment PXL_20220312_190817845.mp4

I am guessing that it is leaking because of the metal burr from the drill hole. I didn't fully remove it because I was scared of getting metal shavings into the tank. Since it's putty I thought I'd be okay. Will have to pry it off and get a better look.
 
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I think rockauto has a 40 gl on clearance/ close out for @ $90.00.
Is not for a tbi iirc, but could be made to work.
I was tempted to buy it just in case.
You should lock and see if there is 1 for your truck.
 
Wes Harden said:
I think rockauto has a 40 gl on clearance/ close out for @ $90.00.
Is not for a tbi iirc, but could be made to work.
I was tempted to buy it just in case.
You should lock and see if there is 1 for your truck.
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No way a 40gal will fit in a k5. Way too big.

As far as cleaning up the burr on the hole just clean it up. There’s a sock on the inlet of the fuel pump that would catch anything.

You might have to drain the tank down so you don’t take a bath in gasoline though.
 
I remember a photo, someone here. The photo showed a blazer tank with a skid plate, there was at least 2" clearance between the bottom of the tank and the top of the skid plate. I forget what size tank it was. 25 or 31.
My skid plate with 40 gl tank is tight maybe an 8th inch.
This had me thinking 1 skid plate fits all rear tanks.
 
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Wes Harden said:
I remember a photo, someone here. The photo showed a blazer tank with a skid plate, there was at least 2" clearance between the bottom of the tank and the top of the skid plate. I forget what size tank it was. 25 or 31.
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My k5 had the 25gal tank and there was a big gap between the tank and skid plate.
 
Had to drain about 10 gallons of gas out of it before it would stop weeping at the drill hole. This is probably the most the Blazer has flexed in its life. :D

If this doesn't work then I'm going for Obi's approach next.
 
sweetk30 said:
And you can NOT fix lots of newer plastic tanks as there 2 layer . Like a blader inside the tank . This crap will cost owners so much money it is crazy . I happen to pop one years ago on a car i was fixing and a used 1 was north of 600.00 delivered and new was just under 1k order in at dealer only .
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Time to start shooting these fockers...
 
re: getting rid of the burr:

Take a drill bit a couple-3 sizes larger than the hole, chuck it up in a drill.

Use medium speed, touch the drill to the hole. Dont let it grab or it will make things worse. The edge of the larger bit will deburr the hole.

Then I would pop a closed end rivnut in it with a bolt. Rtv/seal the shit out of it.
 
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