How to fix a fuel tank leaking gasoline on a 2015-2020 Yukon, Tahoe, Suburban, and Escalade. If you smell gas fumes or see gas leaking from your full-size GM SUV it may be a simple DIY repair instead of taking it to the dealer. I’ll show you how to depressurize the fuel lines, disconnect the fuel and emission hoses, and lower the gas tank.
As long as you can safely raise the vehicle and support it with jack stands you can replace the problem fuel line with a few basic tools.
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