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Gasoline odor

Booie

Well-known member
Joined
Jul 2, 2007
Messages
46
Location
Cheektowaga, New York, United
Corvette
1979 Dark Green L-48 Coupe
I have a gasoline odor when car is parked in the garage I thought it was the gas line hose to the pump leaking so I changed the Gas hose to the pump & the vapor return line hose but I still have the odor. also should there be gsoline in the vapor hose.Thanks Bruce
 

jim coulter

Well-known member
Joined
Dec 3, 2002
Messages
157
Location
covington,tn
Corvette
71 big block, 84 coupe
Did you check the gas line in the rear at the tank. Mine had pinhole. Kept smelling gas in carport. Finally leaked enough where I could see it on ground.
 

Crimson Thunder

Well-known member
Joined
Dec 16, 2001
Messages
814
Location
Orange Park FL USA
Corvette
1970 Marboro Maroon Convertible
My gas smell came from the gasket between the filler tube and the gas tank itself.A previous owner was in there and tried to reuse the gasket.
 

minifridge1138

Well-known member
Joined
Feb 2, 2007
Messages
908
Location
USA
Corvette
1982 Black Fastback
When I had that problem, it was my fuel pump. There is a seal inside the fuel pump, and when it goes bad fuel leaks out of a small hole. Apparently it is not very rare. However, when mine went, I was out of town for the weekend and drained 1/4 a tank of gasoline into my garage. I'm lucky nothing blew up.

How strong is the smell? Could it just be the fuel in the carb?
 

Whiplash

Well-known member
Joined
Nov 21, 2003
Messages
276
Location
New Jersey
Corvette
71 Kandy Burple Conv / 02 MY Z06
My gas smell came from the gasket between the filler tube and the gas tank itself.A previous owner was in there and tried to reuse the gasket.

I agree. If you don't find a leak at one of the rubber hoses check the top of the tank around the filler neck. The gas splashes around when the tank is full and sits on top of the tank. No drips to see so it's hard to find but it stinks up the garage.

Other places:

Sending unit under tank, fuel line sending unit to hardline rear, return fuel line top of tank to hard line, fuel line from hard line to fuel pump, return fuel line from fuel pump to hard line, fuel line from fuel pump to carb, fuel filter fitting, gas on intake manifold, charcoal canister....

Good luck.

Whiplash
 

SR'71

Well-known member
Joined
Apr 17, 2004
Messages
93
Corvette
1971 Vert 454 4 speed sidepipes
I have a gasoline odor when car is parked in the garage I thought it was the gas line hose to the pump leaking so I changed the Gas hose to the pump & the vapor return line hose but I still have the odor. also should there be gsoline in the vapor hose.Thanks Bruce[/quote Does the smell only happen after a fill up ? Worse in a right turn ? Check the Gas Vapor Recovery Tank . Drivers side wheel well look up to the gas tank. The black plastic tank should still have a bottom attached. It is part of the gas fume recovery syst. The filter canister is in the driver's w/w. The plastic tank may have lost it's lower 1/2. I plugged the hose. If you take this route, you have to vent the gas cap.
 

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