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.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

Search GMC Suburban Questions

GMC Suburban Experts

#1 LouB
Reputation 1,160
#2 Larry Thibert
Larry Thibert
Reputation 170
#3 tennisshoes
Reputation 150
View All

Related Models For Sale

Used Chevrolet Suburban"
674 Great Deals out of 24,303 listings starting at $1,985
Used GMC Sierra 1500"
1,050 Great Deals out of 56,530 listings starting at $2,300
Used Ford Explorer"
1,360 Great Deals out of 72,128 listings starting at $300

Used Cars For Sale

1999 GMC Suburban For Sale
81 listings starting at $1,595