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robaloman
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Sep 17, 2011, 4:28 PM
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97 suburban with fuel pump problem
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hey guys i got the tank down but i cant pull it out there are wires going into the fuel pump assembly that i cant figure out how to disconnect and everything is covered in wax!? does anyone have a helpful suggestion on how to disconnect the wires so i can get the tank out? maybe a helpful suggestion on how to remove the wax i was going to try and remove the lock rings while the tank is under the suburban but the wax wont let it move and i cant get enough wax off due to the wires keeping me from fully dropping the tank to get enough room to do anything... Help please!
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Tom Greenleaf
Ultimate Carjunky
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Sep 18, 2011, 4:03 PM
Post #2 of 12
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Re: 97 suburban with fuel pump problem
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Wax! Somebody has messed with it. See if you can get partial OE wiring would be my choice,
T
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Long retired now
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pooby92
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Oct 10, 2011, 12:19 AM
Post #3 of 12
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Re: 97 suburban with fuel pump problem
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I've seen that waxy stuff on fuel pumps before. I just assumed some shops put that on there to prevent rust from forming on the top of the pump and around the lockring.
I believe those wires attach right at the top of the pump. You should be able to feel the little tabs that you need to pull back on to release them.
I'd use a mirror and flashlight to get a better look.
If all else fails, you could always cut the wires to get the tank down and repair the wiring before putting it back up. Just don't cut them too close to the pump.
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Hammer Time
Ultimate Carjunky
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Oct 10, 2011, 6:21 AM
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Re: 97 suburban with fuel pump problem
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No, don't cut any wires. That's just creating another place for voltage drop. Everything can be removed at the tank.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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pooby92
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Oct 10, 2011, 8:58 PM
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Re: 97 suburban with fuel pump problem
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I only meant it as a last resort. On a lot of GM trucks you MUST cut and butt splice a new harness to adapt the new style connector. I've done more of those than I can count and I have never had one come back with a problem related to the splices.
(This post was edited by pooby92 on Oct 10, 2011, 8:59 PM)
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pooby92
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Oct 11, 2011, 10:23 AM
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Re: 97 suburban with fuel pump problem
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I've done more of those than I can count and I have never had one come back with a problem related to the splices That you know about. Those factory pigtails are supposed to be soldered and heat shrinked, not butt connectors. They were included because the circuit was already having a voltage drop problem causing early fuel pump failures.
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Hammer Time
Ultimate Carjunky
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Oct 11, 2011, 11:10 AM
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Re: 97 suburban with fuel pump problem
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Only the ones inside the tank not exposed the the weather.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
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Oct 11, 2011, 1:10 PM
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Re: 97 suburban with fuel pump problem
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OE and pay for the whole unit. Splices NFG! You are dealing with gas here need I say more?
T 
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Long retired now
(This post was edited by Tom Greenleaf on Oct 11, 2011, 1:12 PM)
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Discretesignals
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Oct 14, 2011, 8:54 PM
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Re: 97 suburban with fuel pump problem
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I saw your fire and ran to the kitchen for some marsh mellows.
Since we volunteer our time and knowledge, we ask for you to please follow up on your threads when a problem is resolved.
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samg.
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Nov 20, 2011, 9:28 PM
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Re: 97 suburban with fuel pump problem
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I think you still have a ground wire ran to the frame about half length of the tank behind it. Did you get that one out?
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Hammer Time
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Nov 20, 2011, 9:32 PM
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Re: 97 suburban with fuel pump problem
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It's been 2 months since the question was asked and the OP hasn't responded to any of the posts so I suspect his truck is fixed.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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| 97 suburban with fuel pump problem |
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