how to make a hole in the floor of a 1990 Surbuban to change the Fuel Pump

Asked by Oct 06, 2014 at 11:36 PM about the 1990 GMC Suburban R2500

Question type: Maintenance & Repair

need to put a new fuel pump in the tank , but I just filled the tank -34 gals  - need to know if anyone has done this and how to go thru the floor to the tank . any tips ?,

1 Answer


Don't do it, you will weaken the body structurally, there is a support member right where you need to be to cut a hole. Purchase a little hand pump from Harbor Freight and pump out the fuel, then drop the fuel tank and replace the pump assembly.

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