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I may be able to help. I'm assuming you are having the common problem in Tahoes of the fuel gauge going haywire. If the pump is actually shot, I'm sure you've had it fixed by now. The sending unit is an integral part of the pump, and you can't buy the sending unit seperately from Chevrolet. The pump runs between $200 - $300. To replace the pump you need to remove the gas tank, and the pump is held in by a plastic lock ring that unscrews. You can get the detailed procedure by signing up for alldatadiy.com. It costs about $25 for a one year subscription for your car, but it is well worth it. I found a sending unit only on E-bay for $25 that I purchased but have not installed yet. If it works, great! If not, I learned a lesson. Please email me at tahoe@hortonct.com to let me know how you did, or if any others have more info. Thanks

You can get a replacement fuel pump at the parts store for around $80.00 bucks.

99% of the time it is NOT the fuel pump.It will be the wiring harness plug that plugs into it.It will melt.You will HAVE to get a fuel pump/assembly AND GET THE WIRE HARNESS THAT IS REQUIRED,or it will melt again,and for 350 bucks it will be the ONLY way to solve that kind of problem.If you dont belive me,take out your fuel pump assembly first.I will garentee it will be melted where it is plugged in.TRUST ME I have done over 40 so far...Good Luck

Addendum:

There are two different pumps, one for the 2 door model (aprox $80), and one for the 4 door model (mine $189)

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โˆ™ 2015-07-14 15:53:05
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Q: How do you replace a fuel pump on a 1997 5.7 liter Chevy Tahoe?
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