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Even though the service manual says you no longer have to remove the tank on 79 models, I had to lower the tank (not completely removing it) to get the sending unit out. You have to unbolt the straps and also remove the under tank support bar (which can be a real joy itself). I used a 9/16 socket on a 1/4 inch drive breaker bar to get at the 4 bolts inside the frame. It's not really hard to get the bar out once you find the right tool (the breaker bar). Once the tank is low enough to get the sending unit out of the tank, it will come out thru the opening in the body although it takes some wiggling. Of course fuel lines must be disconnected from both the sending unit and tank. I suspect a change had been made sometime in 79 on removing the sending unit as I have seen internet posts saying both yse and no to dropping out the tank. On mine, the unit was to far forward of the body opening to get it out. I did this on the ground. Remove the spare tire assembly (it's easy). Makes the job a lot easier.

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Q: How do you Remove a fuel sending unit on 79 corvette?
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