Alternator Whistle

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Feb 13, 2002 | 09:04 PM

redbob

Thread Starter

Racer

Joined: Dec 2000

Posts: 353

Likes: 11

From: long beach ca

Alternator Whistle

Can anyone tell me the service bulletin for the whistle in the alternator? Dealer says its in the smog pump and that its natural to all corrvettes. :bs

Feb 13, 2002 | 10:54 PM

BOBSZ06

Le Mans Master

Joined: Sep 2000

Posts: 5,027

Likes: 319

From: N. CA

Re: Alternator Whistle (redbob)

I had the whistle in my alternator, and the dealer replaced it. Much better. Dealer said there was a preliminary TSB?
Good luck. :chevy

Feb 13, 2002 | 11:56 PM

MDT

Melting Slicks

Joined: Aug 2000

Posts: 2,248

Likes: 1

From: Newland US

Re: Alternator Whistle (redbob)

redbob,

If the noise you're hearing is in the A.I.R. pump, as your dealer indicates, then it should only be noticible for a few minutes at start up. How long the pump runs is dependent on the coolant temp.

Good luck.
Mark

Feb 14, 2002 | 10:39 AM

NBMDVM

Pro

Joined: Jun 2000

Posts: 639

Likes: 0

From: cincinnati, ohio

Re: Alternator Whistle (MDT)

I'd like to know this too. Mine has the same whistle and it is definitely the alternator(confirmed with stethoscope).
Scott

Feb 14, 2002 | 10:57 AM

Jim 47

Melting Slicks

Joined: Jul 2000

Posts: 2,483

Likes: 1

From: Wilmington DE

Re: Alternator Whistle (NBMDVM)

Have you guys been able to recognize the tune? :crazy: :rolleyes: :confused:

Feb 14, 2002 | 12:29 PM

1999 White C5 Coupe

Burning Brakes

Joined: Dec 2000

Posts: 993

Likes: 5

From: Cincinnati Ohio

Re: Alternator Whistle (Jim 47)

My 1999 C5 coupe with 23,000 miles is on its third alternator.

Feb 14, 2002 | 12:35 PM

B. Stewart

Burning Brakes

Joined: Jan 2001

Posts: 985

Likes: 0

From: Palm Desert, CA , USA

Re: Alternator Whistle (redbob)

The A.I.R. pump is electric...all you need to do is find and pull the fuse and see if it still happens. :yesnod:

[Modified by B. Stewart, 10:35 AM 2/14/2002]

Feb 14, 2002 | 01:00 PM

lotzahp

Melting Slicks

Joined: Mar 1999

Posts: 3,326

Likes: 0

From: Taylor TX

NCM Sinkhole Donor

Re: Alternator Whistle (redbob)

could you possibly be confusing the whistle with a supercharger? :D

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Feb 15, 2002 | 02:48 PM

JIM50

Intermediate

Joined: Feb 2001

Posts: 41

Likes: 1

From: Flowery Branch Georgia

Re: Alternator Whistle (NBMDVM)

WENT TO DEALER AND WITH G.M. REP PRESENT THEY CONFIRMED NOISE FROM ALTERNATOR . THEY OFFERED TO PUT IN NEW ALTERNATOR FROM A 2002,BUT IT HAD THE SAME NOISE. WAITING FOR G.M. REP TO GET BACK WITH FIX. I HAVE A 2001 CONVERTIBLE AND OTHER THAN THIS NOISE THE CAR IS GREAT. :cheers: