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Does your C5 have pump whine?

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Old Oct 7, 2006 | 09:18 PM
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Default Does your C5 have pump whine?

I've heard the left fuel pump whining on a number of C5's and can't remember if I've been in one without it (radio drowns it out maybe, or I'm on the other side of the car). Do they do it from new or does the pump just start getting noisy over time? Did Chevy ever improve the design or add more sound deadening over the C5 run? Anyone add some sound proofing themselves and gotten rid of it?

I would like to be educated on this before the day I get a C5, cause the car I was just working on had it and I don't want a car doing this. Ever since this 69 Firebird I had, had an electric pump on the tank and it was loud as hell.

Last edited by Ibuyvettes; Oct 7, 2006 at 09:21 PM.
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Old Oct 7, 2006 | 09:24 PM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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Can't even here the pump at all! Although I might not let the pump whine defer me from buying a Nice Vette! IMHO! If the price is right and the car is unreal then go with the purchase and fix the whining later or have 'em take a little off for the fix!

Thanks,Matt
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Old Oct 7, 2006 | 09:35 PM
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I didn't vote because there wasn't an applicable choice for me. I can hear my fuel pump, at least I could for about the 1st month of driving it.
I guess I got use to it and now i only notice it when I 1st turn the key on. Then again, I guess it could be my B&B Bullets too! At any rate, it never bothered me.
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Old Oct 7, 2006 | 09:36 PM
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Mine does, but I kinda like it, along with the sounds the intake makes as well. Sounds like performance
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Old Oct 7, 2006 | 10:40 PM
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never heard mine until the long hot drive home from Bloomington Gold. Loud as hell. Shut her off for a while and havnt heard it since
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Old Oct 7, 2006 | 11:22 PM
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Originally Posted by Ibuyvettes
I've heard the left fuel pump whining on a number of C5's and can't remember if I've been in one without it (radio drowns it out maybe, or I'm on the other side of the car). Do they do it from new or does the pump just start getting noisy over time? Did Chevy ever improve the design or add more sound deadening over the C5 run? Anyone add some sound proofing themselves and gotten rid of it?

I would like to be educated on this before the day I get a C5, cause the car I was just working on had it and I don't want a car doing this. Ever since this 69 Firebird I had, had an electric pump on the tank and it was loud as hell.
The early C5s (97, 98) had a loud fuel pump. GM redesigned the pump to reduce the noise and owners of those cars could get them replaced under warranty. Some owners refused to have their pumps changed since they would never take their car to a dealer, others just never caught on. So subsequent owners have to pay for the redesigned pump or live with the noise. I had the pump in my 97 changed as soon as the new pumps were available.

Bill
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Old Oct 7, 2006 | 11:40 PM
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I don't know with a large cam, long tubes and BB bullets I can't hear anythigh. Before mods yes, this was a problem that 97-98 had I think.
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Old Oct 7, 2006 | 11:40 PM
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I can hear my pump for a couple seconds when I first start the car and the system is being pressurized, but nothing after that. On the other hand my buddy ownes a '97 and his pump is loud as hell all the time...
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Old Oct 8, 2006 | 12:01 AM
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No pump whine here, but our car has the resigned FFS fuel system introduced partway through model year 2003:

Redesigned FFS Fuel System
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Old Oct 8, 2006 | 12:20 AM
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Originally Posted by DngrZne
Mine does, but I kinda like it, along with the sounds the intake makes as well. Sounds like performance
AGREED!!
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Old Oct 8, 2006 | 12:41 AM
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Nope, quiet
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Old Oct 8, 2006 | 01:02 AM
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Originally Posted by DngrZne
Mine does, but I kinda like it, along with the sounds the intake makes as well. Sounds like performance
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Old Oct 8, 2006 | 01:04 AM
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mine whines like a SUPERCHARGER.... lol I had one moron ask me if i had a blower
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Old Oct 8, 2006 | 04:05 AM
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No pump whine that I can tell on mine. Between the radio and the exhaust, I probably couldn't hear it anyway unless it was really loud.
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Old Oct 8, 2006 | 04:20 AM
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No, not that I have noticed.
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Old Dec 19, 2006 | 09:23 PM
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Yea, and the whine freaking pulsates in rythm when I have the turn signal on. I'm not joking.
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Old Dec 19, 2006 | 09:30 PM
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Originally Posted by bluemaggot
Yea, and the whine freaking pulsates in rythm when I have the turn signal on. I'm not joking.
Mine does too
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Old Dec 19, 2006 | 09:42 PM
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98 yes can hear but its not bad
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Old Dec 20, 2006 | 10:39 AM
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Originally Posted by bluemaggot
Yea, and the whine freaking pulsates in rythm when I have the turn signal on. I'm not joking.
Same here. Gotta love it.
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Old Dec 20, 2006 | 10:44 AM
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Originally Posted by jbauch357
I can hear my pump for a couple seconds when I first start the car and the system is being pressurized, but nothing after that. On the other hand my buddy ownes a '97 and his pump is loud as hell all the time...
Yup... that'd be me w/ the '97. It's definately audible, but once you get rolling, the Headers and B&B Bullets plus the OEM Run Crap tires make enough noise that you don't even hear it anymore... unless you come to a stop w/ your turn signal on... then it's like "whee, whoo, whee, wehoo" like a dang siren... lol

Honestly, it doesn't bother me... background noise... theres far more irritating things like interior rattles that get under my skin...


Dan
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