5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Fuel pump going bad?

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Old 04-25-2005, 05:45 PM
  #11  
88PatrolCar
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Default RE: Fuel pump going bad?

http://content.sears.com/data/produc...337000-dlv.jpg
That is what the tool looks like. You should be able to find them at any parts store and most hardware stores.
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Old 04-25-2005, 06:01 PM
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92hatchLX
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Default RE: Fuel pump going bad?

How do you tell if you're fuel pump is making noise or going bad? If I go behind my car when it's turned on I can hear a high pitched whining noise, is that it?
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Old 04-25-2005, 06:05 PM
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88PatrolCar
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Default RE: Fuel pump going bad?


ORIGINAL: 1991_5.0_Convertible

How do you tell if you're fuel pump is making noise or going bad? If I go behind my car when it's turned on I can hear a high pitched whining noise, is that it?
Normally it is when you can hear it from the drivers seat inside the car.
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Old 04-25-2005, 06:07 PM
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95_302_StangMan
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Default RE: Fuel pump going bad?

that is how i should have described mine. But i dunno mabey it is fine.
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Old 04-25-2005, 06:21 PM
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92hatchLX
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Can anyone one tell me what that whining noise might be??? lol should I be worried?
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Old 04-25-2005, 07:55 PM
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chriscindy6369
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Default RE: Fuel pump going bad?

.
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Old 04-25-2005, 08:30 PM
  #17  
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Default RE: Fuel pump going bad?

I just pulled my 87 GT tank for a very loud original pump, only it wasn't the pump at all. There's a small galvanized anti-slosh sump that surrounds the pump & the solder joints in the tank had broken free and the sump slid up against the pump. When I applied power to the old pump while submersed in a paintcan full of kerosene, it was quiet and had good pressure at the end of a 10 foot 3/8" fuel line. . I still have to get the sump soldered, but I'm thinking that it might be cheaper just to find a 92 or 93 tank in the pick and pull, and check it for rust and security. Has anyone had this problem before?
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Old 04-26-2005, 07:54 PM
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86inworks
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Default RE: Fuel pump going bad?

is there a difference in the 92-93 tanks than the 87's are they bigger??
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Old 04-26-2005, 08:22 PM
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stanglx2002
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Default RE: Fuel pump going bad?

they are the same tank
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Old 04-26-2005, 11:47 PM
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Default RE: Fuel pump going bad?

Far as I know, 87-93 tanks are identical except for the outer shielding (one piece v 2 piece). I wouldn't pass up a good 87 tank, but I figure that 92-93 tanks would generally have less rust than the earlier cars. In a junk yard full of Foxes I'd try the later cars first, although my 87 tank is rust and trash-free.

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