Gas tank leaking(1987 trans am)
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Joined: Jun 2025
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Car: 1987 Trans AM
Engine: 305 LG4 4BBL
Gas tank leaking(1987 trans am)
I’ve inspected every inch I can myself on this gas tank and I do not see any holes or cracks. The gas very slowly drips from the very back corners and has made the tank leak to nearly completely empty over a month, probably less than half a gallon. Are there any known common issues with the gas tanks in third gens(or 1987 specific)?
Joined: Oct 2020
Posts: 1,460
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From: Franklin, KY near Beech Bend Raceway, Corvette Plant and Museum.
Car: 1992 Pontiac Firebird
Engine: 5.0L L03 TBI
Transmission: 700R4
Axle/Gears: 2.73
Re: Gas tank leaking(1987 trans am)
I'd say a common issue is being 38 years old. I think the later years had an issue with the filler neck where it entered the tank and were recalled.
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