06-28-2006, 08:22 PM
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#1
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Registered User
Join Date: Jun 2006
Location: Santa Barbara, CA
Posts: 34
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omg what is this noise?!
i have a really loud howl coming from my fuel filler area. Anyone know what this might be? Fuel pump? It definitely sounds like some sort of bearing noise. It happens only when I'm stopped as far as I can tell. I can't really hear it when driving.
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06-30-2006, 01:09 PM
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#2
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Registered User
Join Date: Jun 2005
Location: USA!!
Posts: 1,159
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Quote:
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Originally Posted by oversteerdawg
i have a really loud howl coming from my fuel filler area. Anyone know what this might be? Fuel pump? It definitely sounds like some sort of bearing noise. It happens only when I'm stopped as far as I can tell. I can't really hear it when driving.
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It sounds like the cooling fan bearings are wearing out on that side.
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1987 928S4 Silver Metallic (980)/Navy (TP) 5-Speed
2000 Boxster Speed Yellow/Black 5-Speed
1966 Wife White/Brown Top
1986 Daughter White/Brown Top (Sold!)
1992 Daughter White/Blonde Top
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06-30-2006, 01:41 PM
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#3
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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Quote:
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Originally Posted by oversteerdawg
i have a really loud howl coming from my fuel filler area. Anyone know what this might be? Fuel pump? It definitely sounds like some sort of bearing noise. It happens only when I'm stopped as far as I can tell. I can't really hear it when driving.
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Does it happen at start up and stop as the car warms up?
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-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house 
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07-01-2006, 10:39 PM
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#4
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Registered User
Join Date: Jun 2006
Location: Santa Barbara, CA
Posts: 34
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after listening more carefully, it's actually a sucking sound.
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07-02-2006, 01:22 AM
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#5
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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Quote:
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Originally Posted by oversteerdawg
after listening more carefully, it's actually a sucking sound.
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Almost like a high pitched vacuum?
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
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07-02-2006, 05:06 AM
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#6
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Registered User
Join Date: Feb 2006
Location: Toronto Ontario
Posts: 291
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Try filling your car up with gas. Did the noise go away? Then it's the fuel pump. The pump is in the tank and is noisy and hot when the gas is low. The gas in the tank helps to cool the pump as well as keep it quiet. When the tank gets low you can hear it wine.
You should hear a Walbro 255LPH when the tank gets low, it's retarded sounding. (thats a high performance fuel pump for high hp cars 400+)
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07-17-2006, 12:57 PM
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#7
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Registered User
Join Date: Jun 2006
Location: Santa Barbara, CA
Posts: 34
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Quote:
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Originally Posted by blinkwatt
Almost like a high pitched vacuum?
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That's exactly what it sounded like. I replaced the fuel tank purge valve and the noise and CEL went away. I few days later, both the cel and noise is back. Anyone?
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07-17-2006, 01:12 PM
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#8
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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I just got used to it. Although I think mine has to do with a part that warms up the exhaust system,I cant remember exactly what. It goes away as the car warms up after about 5 minutes or so and stays off as long as the car is warm.
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
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07-17-2006, 01:27 PM
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#9
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Registered User
Join Date: Jun 2006
Location: Santa Barbara, CA
Posts: 34
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There is a post on pelicanparts that suggests that it may be a leaking bleeder valve on the fuel filler (#12 in the pic)
Anyone try this fix before?
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07-17-2006, 01:27 PM
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#10
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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is this the weezing sound that comes when you get on the throttle from a slow start or standing start? I've noticed that lately, I've been very bad about not letting my gas tank go below 1/4.
THe sound drives me nuts but I like the feel of the car when its light on fuel.
No kidding.
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07-17-2006, 01:45 PM
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#11
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Registered User
Join Date: Jun 2006
Location: Santa Barbara, CA
Posts: 34
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Quote:
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Originally Posted by Perfectlap
is this the weezing sound that comes when you get on the throttle from a slow start or standing start? I've noticed that lately, I've been very bad about not letting my gas tank go below 1/4.
THe sound drives me nuts but I like the feel of the car when its light on fuel.
No kidding.
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It's exactly like blinkwatt says; a high pitched sucking noise coming right from the fuel filler area. It happens at any fuel level and temp. It goes away for a few seconds when i blip the throttle. It does not effect drivability, but it is driving me absolutely nuts.
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07-17-2006, 01:49 PM
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#12
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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mine isn't coming from the gas cap area at all. Its coming from behind me near the the air intake. Same deal when I blip the throttle, weeze....
__________________
GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
Fabspeed Headers & Noise Maker
BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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