Loud Fuel Pump

Bhikku · Nov 10, 2010

the fuel pump is really loud in my mustang, so i assume that it might be going out soon.

how difficult is it to replace? i also don't have a garage, apartment life ftl :/

ForceFed70 · Nov 11, 2010

The pump is easy to replace. Getting access to it can be a little tricky, especially if you have power steering. One of the easier jobs tho.

However, I've never seen/heard a loud mechanical pump. Are you sure that the noise is coming from your pump?

Bhikku · Nov 11, 2010

ForceFed70 said:
The pump is easy to replace. Getting access to it can be a little tricky, especially if you have power steering. One of the easier jobs tho.

However, I've never seen/heard a loud mechanical pump. Are you sure that the noise is coming from your pump?

well it's definitely coming from the rear/trunk area. i don't think its the motor for the power radio antenna, and i think the pump is the only other thing back there, i could be mistaken though.

Hairy W Bush · Nov 11, 2010

so you have an electronic pump?

Bhikku · Nov 11, 2010

Hairy W Bush said:
so you have an electronic pump?

i believe so, but i could be wrong.

it's loud when not started but the keys are at the first turn.

DukeGnarley · Nov 11, 2010

how loud? you should be able to hear an external electric pump.

Hairy W Bush · Nov 11, 2010

an electric fuel pump would omit the mechanical fuel bump, which is on the driver side of the engine block. in it's place would be a fuel pump blockoff plate.

Bhikku · Nov 11, 2010

DukeGnarley said:
how loud? you should be able to hear an external electric pump.

it's a rather loud hum, it can be heard inside the car when the engine isn't on.

if it's supposed to be loud, then great!

DukeGnarley · Nov 11, 2010

it sounds about right, as long as it's not making a rattling sound or squeaking or something you should be fine. The reason it's louder than on most cars is that most use internal pumps and the sound is muffled by the gas.

PoppyMod · Nov 11, 2010

Hi Bud,
A loud electric pump is not unusual. There are pumps that are less noisier than others, though. The key is in it's consistent behavior. Hearing the "hum" of pump after making the "first key turn" is not unusual. Depending on your engine's muffs you may not hear it at all while running.
How long have you owned this car?

Bhikku · Nov 11, 2010

yeah it's pretty much a constant sound, and i can't really hear much over the sound of the V8 so im not sure about the sound when it's being driven.

and i've owned it for a couple weeks now.

PoppyMod · Nov 11, 2010

Bhikku said:
yeah it's pretty much a constant sound, and i can't really hear much over the sound of the V8 so im not sure about the sound when it's being driven.

and i've owned it for a couple weeks now.

OK. You might consider, crawling underneath or wait for an oil change interval, and see if the isolation bumpers are in place. These are little rubber washers on the mounting bolts to reduce vibration transmission to the body.
Happy Motoring!

Bhikku · Nov 11, 2010

PoppyMod said:
OK. You might consider, crawling underneath or wait for an oil change interval, and see if the isolation bumpers are in place. These are little rubber washers on the mounting bolts to reduce vibration transmission to the body.
Happy Motoring!

hmm i'll see if i can track it down

Loud Fuel Pump

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