03 Trailblazer Schrader Valve

[Bullethole]

My 03 LTZ needs a fuel filter change. Before I pull all of the covers off the engine (4.2) can some one tell me where the schrader valve is located?

 

THANX

[GM-Tech]

it's real close to the fuel filter, which is by the fuel tank.

[Bullethole]

it's real close to the fuel filter, which is by the fuel tank.

 

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Thanks. I have always found them on the fuel rail before but I guess the 4.2 is different.