Can you hear your fuel pump inside the car when the engine is running? - TCCoA Forums
 
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post #1 of 18 (permalink) Old 05-28-2011, 12:27 PM Thread Starter
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Can you hear your fuel pump inside the car when the engine is running?

I noticed the other day what I thought was a new noise inside the car when I was stationary. After a while I came to realise that its the fuel pump.

When the cars running and stationary I can hear a feint buzz/hum from the rear seat area. Its not really noticeable when driving, and it may well have always done it.

As I have tendencies to be paranoid, I just wondered if anyone else gets this, or of my pump might be on the way out?

There are no problems with the running of the car, and its just turned 115k miles.

"...put me on a highway, show me a sign, and take it to the limit one more time"

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post #2 of 18 (permalink) Old 05-28-2011, 01:46 PM
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Never heard mine other than it clicking on when the ignition is turned on before the motor starts. Since it's electrical, mileage varies a lot on them but 100k miles it could be going out. My OEM one lasted about 240k-250k miles but you never know.

-Kelly
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post #3 of 18 (permalink) Old 05-28-2011, 02:21 PM Thread Starter
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Surely if its definitely on its way out it would either start causing running problems, or make a loud noise? This is barely noticeable.

"...put me on a highway, show me a sign, and take it to the limit one more time"

The Eagles
1975

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post #4 of 18 (permalink) Old 05-28-2011, 02:57 PM
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I've never been able to hear anything from inside the car with the engine running on the bird, but on the Cougar I can hear a very distinct whine when the passenger door is open at idle. It's also audible in such a fashion on the Mark, but not as loud.

-Brandon
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post #5 of 18 (permalink) Old 05-28-2011, 02:59 PM
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WHAT? I CAN'T HEAR YOU! LET ME TURN MY STEREO DOWN!!!

(turns volume down from 13 to 5 or so)

Ok - what, the fuel pump? Naw, never hear it.

(turns volume back up)

WHO CAN HEAR OVER THIS RADIO???


*snrk*

(Had to do it, y'know.)

RwP
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post #6 of 18 (permalink) Old 05-28-2011, 06:16 PM
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Well I have a 3.8L NA so all I hear is the power steering pump.

-Kelly
===================================
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94 LX 3.8L NA : Daily Driver. 270k on chassis, 10k on motor.
90 35th Anniversary SC : Stored for the Winter.
Needs Harmonic Balancer, complete suspension overhaul.
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post #7 of 18 (permalink) Old 05-28-2011, 06:19 PM
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Quote:
Originally Posted by BlueEyes View Post
Well I have a 3.8L NA so all I hear is the power steering pump.


I quote that for the truth!

Well, in my case, that and the exhaust leak the car has...

-Brandon
97 Laser Red Thunderbird LX 162k, Stage 2 4.6L 2v N/A | 300 BHP (255 RWHP, 290 RWTQ) | 13.95 @ 97.58 | Build details | Pics at the Lorain Assembly plant
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post #8 of 18 (permalink) Old 05-31-2011, 04:44 AM Thread Starter
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Have to wait and see I suppose.....

"...put me on a highway, show me a sign, and take it to the limit one more time"

The Eagles
1975

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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RIP Dutch T-Bird (Robert Hendriks) 1970-2012 No doubt looking down on us from his low-riding T-Bird in the sky.
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post #9 of 18 (permalink) Old 06-24-2011, 04:00 PM
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Quote:
Originally Posted by BlueEyes View Post
Well I have a 3.8L NA so all I hear is the power steering pump.
Lucas PS fix. I never try additives until it's last ditch but I had a PS that was a little noisy and leaked a LOT. Lucas > within 200 miles stopped whining and stopped losing fluid.

Had same results with Lucas AT additive after a guy sold me a 93 with OD slip probs in hot weather. Drove car another 150,000 miles and never saw prob again.. with small tranny cooler for good measure.

Oh. the OP!
Just changed mine because the FP started howling a day or so after I bought it. Really noticeable where it wasnt when I checked the car out before buying. A rattly howl bordering on occasional screech = almost toast.

Understand.. if it was a nice even hum as it sounds on key-on, just seemed louder, I would have waited.

Last edited by pettyfog; 06-24-2011 at 04:12 PM.
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post #10 of 18 (permalink) Old 06-24-2011, 04:53 PM
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I can hear mine inside the car.

1995 LX 4.6 Stock for now.
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post #11 of 18 (permalink) Old 06-27-2011, 12:36 AM
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If you double isolate the pump you won't hear it - whether the engine is running or not.
If you mount the pump solid then you will hear it.
Double isolation uses a rubber isolator on the back of the mounting panel, one on the front of the mounting panel, and another over the top of the pump bracket. There should be a tube that runs through the middle isolatorand pump mounting flange. The screws go through the tube and all the isolators to keep the screws from transferring noise to the panel.
This way the pump floats between one pair of isolators and the whole rig floats on the mounting panel beteen isolators, with the screws floating in the tubes. No noise transferred to the panel and any noise in the pump is deadened by the isolators.
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post #12 of 18 (permalink) Old 06-27-2011, 06:05 PM
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After mine went out at 120,000 miles i had never noticed it.When they put a new one in it was and still is noticible compared to the original,but it works fine and has for 60,000 miles!!
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post #13 of 18 (permalink) Old 06-27-2011, 06:46 PM
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Quote:
Originally Posted by PaulS1950 View Post
If you double isolate the pump you won't hear it - whether the engine is running or not.
If you mount the pump solid then you will hear it.
Double isolation uses a rubber isolator on the back of the mounting panel, one on the front of the mounting panel, and another over the top of the pump bracket. There should be a tube that runs through the middle isolatorand pump mounting flange. The screws go through the tube and all the isolators to keep the screws from transferring noise to the panel.
This way the pump floats between one pair of isolators and the whole rig floats on the mounting panel beteen isolators, with the screws floating in the tubes. No noise transferred to the panel and any noise in the pump is deadened by the isolators.
The pump is in the tank, hanging from the pickup/sending unit assy by a rubber hose. It isn't hard-mounted to anything.

And no, I can't hear much of anything other than the engine/blower when it's running.

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post #14 of 18 (permalink) Old 06-27-2011, 06:53 PM
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Quote:
Originally Posted by racecougar View Post

And no, I can't hear much of anything other than the engine/blower when it's running.
Thats because your car is a beast

Will

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post #15 of 18 (permalink) Old 07-12-2011, 07:13 PM
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I Bought my car a year ago or more and the damn pump annoys the hell out of me. hums all the damn time. It hasn't failed yet

I am curious, would using a pump that's been sitting on a shelf in an outside shed all year, cause any problems? Would the pump still run? It's from a 96 just been sitting a long time.

Rest In Peace Mom.
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post #16 of 18 (permalink) Old 07-13-2011, 04:48 AM Thread Starter
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Glad to hear that I'm not the only one with this "problem". I can't hear mine as long as the radio is on, or I'm moving. It hasn't got any worse in the last 6 weeks or so, and is driving fine as ever. If money was no object, I'd get it changed tomorrow, however unless something changes, I think I'll live with it.

It's the birds way of saying I really should've bought that new stereo I was set to buy a little while ago!

GRNDPNDR, I wouldn't have thought the conditions in your outside shed would be any worse than if the pump had been fitted to a car parked outside.

"...put me on a highway, show me a sign, and take it to the limit one more time"

The Eagles
1975

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
http://www.cardomain.com/ride/2149821

RIP Dutch T-Bird (Robert Hendriks) 1970-2012 No doubt looking down on us from his low-riding T-Bird in the sky.
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post #17 of 18 (permalink) Old 07-13-2011, 06:45 AM
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On a car the pump is inside a container and wet with gas.
In the shed it's hot and cold depending on the season. I'm more concerned about seals being dry I guess.

Rest In Peace Mom.
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post #18 of 18 (permalink) Old 07-13-2011, 07:35 AM
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no I can not hear it.
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