This is a discussion on Fuel Pump within the GM Trucks forums, part of the Vehicle Specific category; Not sure if right section, but I figured there are enought mechanics on here to point me in right direction. ...
07-06-2011, 08:50 AM #1
Not sure if right section, but I figured there are enought mechanics on here to point me in right direction.
I have a 1999 Suburban that needs the fuel pump replaced. Now I have read on other sites, and google searches that there are several different ways to replace it, however I need the easiest and fastest way possible. Is dropping the tank and doing it, the fastest, or is cutting a port in the floorboard (and replacing metal when done) the fastest. I have the tools to do either way, but need to get it done in the fastest means possible (HOA guidelines dont like people working on vehicles all day long), and I would rather do it myself and not pay someone else to do it.
Thanks for your help!
Mike1999 Camaro Z-28 LS1 M6
Cam, Heads, Exhaust
07-06-2011, 02:41 PM #2
- Join Date
- Aug 2007
- Romeo, MI
- 2002 Corvette Z06
The correct way to do it is to drop the tank from the bottom. It is time consuming, but not that difficult.
2002 Z06 - Electron Blue Metallic
D1 @ 14psi - E85 - Forged - Kooks LT's - Kooks exhaust - Mcleod RPX twin disc clutch - RPM trans - 100# ID injectors - Holley 12-1400 pump
701 rwhp 687 rwtq
2015 Silverado Z71 5.3 - Midnight Edition
2002 Z28: M6 NBM **sold**
07-07-2011, 04:57 AM #3
Just make sure your low on gas so it doesn't weigh as much then drop it. I have a 2500 long bed and I change mine in about 4 hours with hand tools dropping the bumper and pulling the bed back by myself.2001 WS6 TA Red. Stock, 6 spd, LS7 clutch, Catback, Harris Nitrous Kit, Custom Painted Flames, Wolfe 6 point rollbar.
1998 TA Black. 408, t350, nitro daves plate w/dedicated fuel cell, mini tubbed, 30" dr's. 9.75 @136mph on a small shot. Fastest LSX in Alaska, Pump gas, never trailered street car.
2007 TBSS. Silver, Factory Stock
07-07-2011, 05:33 AM #4
Thanks for the input! Now I just need to get to florida where it is sitting and replace it!
07-21-2011, 06:14 PM #5
Does anyone have a wiring diagram that goes from the truck harness (4 pin square) to the new connector (4 pin flat)? Thats all I am needing to get the tank back up into the truck.
07-22-2011, 07:07 PM #6
07-23-2011, 05:54 AM #7
Thanks for the info! I did get it back up and running, and found that the piece that has the smaller connector plugged into it was cracked at the nipple that goes into the top of the pump. Only took about an hour total, using very basic tools (2 GM car jacks, and misc socket set).
07-23-2011, 06:03 AM #8
Cool. Easy fixes are always good.
07-23-2011, 10:02 PM #9
You got that right! Easy fixes that saved me $500 from the garage price!
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