Gas smell in cab
I don't realy want to move the gas tank, and was wondering how not to smell gas, lately it smells stronger, im use to it but my friends are not, thank u for any advice
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Re: Gas smell in cab
Start by checking the rubber hoses for splits, and make sure the clamps are good.
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Re: Gas smell in cab
Hold your breath.:lol::lol:
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Re: Gas smell in cab
Does your truck have the fuel vapor recirculation? If these hoses become cracked, or the system was removed and not capped correctly on the gas tank this can cause the smell. It took me forever to figure it out on mine.
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Re: Gas smell in cab
I had a bad gas smell in mine for more than two years. Checked all of the hoses, vents the canister and connections - no luck. Recently I removed the tank and epoxied the bottom of the tank in case there was a pin hole. As I was reattaching the metal line that runs from the top of the fuel gage sending unit to below the floor, I noticed that the line was not seating properly. Got a new fitting and line and now ---- NO GAS SMELL.
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Re: Gas smell in cab
Check the seal on the sending unit. I replaced mine to get rid of the gas smell.
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Re: Gas smell in cab
Skip the Taco Bell...
Oh, that's me, 'scuse me :) I have a wicked gas smell too, and was under it today, I noticed two grommets under the passenger side, the thing is, of the two steel hoses, only one was connected, the other was a bare, sorta flared end with no hose and an empty hole. Is that for like a return line, could that be where it's coming from on mine and anyone elses? Trip |
Re: Gas smell in cab
I had a gas odor after changing my sending unit, I used a little bit of right stuff on both sides of the sending unit gasket, odor gone
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Re: Gas smell in cab
Gas fumes in the cab can also come from the engine compartment too. Check ALL of your fuel lines and fittings.
Gary |
Re: Gas smell in cab
Could even be a bad gas cap... the rubber (neoprene?) seal will rot after enough years.
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Re: Gas smell in cab
I know what i'm doing today, thank you very much, i hope to find it thank u for all the advice
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Re: Gas smell in cab
Make sure to post back with your results!
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Re: Gas smell in cab
I think the guys have pretty well nailed everything I can come up with.
The sending unit gasket is a regular suspect along with fittings and hoses. If the gasket around the filler neck is in bad shape fumes might get blown back in from the cap if conditions are right (or wrong). Pay close attention to the hose on the filler neck because those are almost always original and pretty well forgotten. Others are a carb that Boils over when the truck is stopped, leaking fuel pump or fuel line around the engine. And don't forget the gas jug in the bed that might be giving off fumes that get sucked back in the window going down the road. |
Re: Gas smell in cab
When I was a kid, my Dad drove a 1968 GMC. Something was wrong with the filler neck, such that it would splash gas out into the cab. Since he smoked a pipe, he was therefore sure not to fill the tank to the top :-)
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Re: Gas smell in cab
I'm not sure yet what it is, i got gas yesterday and notice my gas gauge no longer works, it went way past F.
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Re: Gas smell in cab
If all else fails move the tank
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Re: Gas smell in cab
I got rid of the in the cab gas tank, I had a gmc once that the tank had a rust hole in the bottom and flooded the cab with gas.....could have burned the truck to the ground if there had been a spark.....same as you smelling gas in the cab, the fumes are what ignite,,plus you gain alot of storage behind the seat and don't have to hear the gas sloshing around...bad old design on these trucks
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Re: Gas smell in cab
I'm having the same issue on a '71 C20 that I just acquired. Chasing down all of the suggestions here. It also feels a little damp at the bottom of the driver's side. When i reach underneath there is a gooey substance there. Any chance the PO tried to patch a pinhole leak with some gooey like substance?
Any thoughts? At this point, if I need to replace the gas tank I may as well put it under the bed and therefore I''m not going to spend cash on a new sender gasket, gas cap etc. Any good instructionals on the gas tank relocate? I've never done anythhing like that. |
Re: Gas smell in cab
I have just replaced my one by a new one, which was damp at the bottom and big smell with tank full. No more issue with the new one. I think metal got porous with years
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Re: Gas smell in cab
....I always loved the smell of gas.
In moderation, its sort of like outdoor mechanical bacon smell for guys. Coley :chevy: |
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Re: Gas smell in cab
I sure wouldn't move the tank to solve a smell. I have the in-cab tank and keep it pretty full and it does NOT smell, nor have I ever smelled gas from it. So it's gotta be a leak or vapor or something somewhere... put more simply, when stuff is right, it won't smell, not to worry.
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