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The fuel tank has to come out before you can install the new fuel pump component which is a unit complete with the 02 sensor/sending unit and fuel check valve (which maintains fuel pressure).

This is all put together like this for a reason. It makes you spend more money in labor and parts. Period.

About $900-$10000.00 when all is said and done. Really sucks.

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12y ago
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Q: 2003 Chevy Tahoe fuel pump installation?
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