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Got a Fuel Pump question

  • Thread starter Thread starter vld
  • Start date Start date Jul 22, 2010
V

vld

New Member
Nov 5, 2004
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Jul 22, 2010
#1
  • Jul 22, 2010
  • #1
Has anybody ever replaced just the pump? Not the whole assembly but just the electric pump. My wife's Tahoe just died and I have narrowed the problem down to the fuel pump. I can get just the pump for $50 as opposed to having to pay $250 for the whole assembly. Seems like a no brainer to me but I can't find anybody who has ever done the work. Thanks!
 

SaleenGT2001

Well-Known Member
Jul 18, 2005
2,811
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58
Four Oaks NC
Jul 22, 2010
#2
  • Jul 22, 2010
  • #2
pump is easy to replace. no need to replace the whole assembly.
 
V

vld

New Member
Nov 5, 2004
132
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0
Jul 22, 2010
#3
  • Jul 22, 2010
  • #3
I'm happy to hear that! Can you describe the basics? I've seen pictures of the assembly but I'm having trouble figuring out exactly how the pump attaches.
 

nyuk98gt

15 Year Member
Oct 10, 2000
1,427
6
79
Chesterfield, MO
Jul 22, 2010
#4
  • Jul 22, 2010
  • #4
vld:

Haynes manual is available at AutoZone (and elsewhere) for about twenty bucks. Excellent instructions with lots of pictures. Your local public library may offer AllData, too, so you can get an on-line removal/installation procedure for the pump there.

Don't you have to drop the tank to get access to the pump? If so, you'll need to drain the tank. Maybe the Tahoe has access under the rear seats or trunk area and you won't have to drop the tank?

HTH,

Chris
 

sneaky98gt

10 Year Member
Apr 23, 2008
2,387
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NC State University
Jul 22, 2010
#5
  • Jul 22, 2010
  • #5
I don't know about other cars, but a Mustangs is relatively easy to do. I've changed my fuel pump a couple times now, and have gotten it down to an hour or so (removal of fuel tank, replace fuel pump, and reinstall tank). Only basic tools needed + a fuel line disconnect tool.
 
V

vld

New Member
Nov 5, 2004
132
0
0
Jul 22, 2010
#6
  • Jul 22, 2010
  • #6
nyuk98gt said:
vld:

Haynes manual is available at AutoZone (and elsewhere) for about twenty bucks. Excellent instructions with lots of pictures. Your local public library may offer AllData, too, so you can get an on-line removal/installation procedure for the pump there.

Don't you have to drop the tank to get access to the pump? If so, you'll need to drain the tank. Maybe the Tahoe has access under the rear seats or trunk area and you won't have to drop the tank?

HTH,

Chris
Click to expand...

Yeah, everything I've read indicates needing to drop the tank. Don't know why I didnt think about the Haynes manual. May have to be making a purchase. Thanks man!
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Jul 22, 2010
#7
  • Jul 22, 2010
  • #7
I prefer Chilton's over Haynes (just my opinion). I can usually find things easier in one over the other. But, either is much better than not having one.

When disassembling the fuel pump basket, be careful with the sending unit. It's easily damaged. Consider performing a function test before taking it apart and again after putting it together. Measure the resistance between a pole and the center wipe as the float arm is moved. Check it at a couple of spots. Should stay about the same after the repair.

Would be a shame to get it all back together only to find out that the gas guage doesn't work.
 
V

vld

New Member
Nov 5, 2004
132
0
0
Jul 22, 2010
#8
  • Jul 22, 2010
  • #8
wmburns said:
I prefer Chilton's over Haynes (just my opinion). I can usually find things easier in one over the other. But, either is much better than not having one.

When disassembling the fuel pump basket, be careful with the sending unit. It's easily damaged. Consider performing a function test before taking it apart and again after putting it together. Measure the resistance between a pole and the center wipe as the float arm is moved. Check it at a couple of spots. Should stay about the same after the repair.

Would be a shame to get it all back together only to find out that the gas guage doesn't work.
Click to expand...

Roger that! Thanks man!
 
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