Whining/whirring sound
I have a '92 LT1 coupe, and around 45-60 seconds after start up I hear a whining/whirring sounds that lasts maybe 3-5 seconds. the sound resembles that of an electric motor pushing something up or down, and it is not the radio antenna, because it happens whether or not the radio is on, plus the sounds is coming from under the hood. can anyone shed some light on that please? thanks.
Jim aka #1weatherman |
Originally Posted by #1weatherman
(Post 1582475959)
I have a '92 LT1 coupe, and around 45-60 seconds after start up I hear a whining/whirring sounds that lasts maybe 3-5 seconds. the sound resembles that of an electric motor pushing something up or down, and it is not the radio antenna, because it happens whether or not the radio is on, plus the sounds is coming from under the hood. can anyone shed some light on that please? thanks.
Jim aka #1weatherman |
Thanks 96GS#007 for the reply. I figured it was nothing to worry about. the sound I mentioned must be the pump shutting off, based on the timing you provided.
Jim aka #1 weatherman |
good question as I have been wondering the same thing.:thumbs:
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Originally Posted by ssdan
(Post 1582493985)
good question as I have been wondering the same thing.:thumbs:
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just got mine, so I haven't got a shop manual yet. It also seems as if my exhaust is quieter for a period after cold start as well, is that related?
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