C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

strange noise

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Old Sep 29, 2005 | 04:34 PM
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From: richmond va
Default strange noise

have a 1993, completely stock. when i start her up and get ready to take off, i hear this strange sound. it's like a motor on something turning on or off. i believe it's from the steering or something, because it doesn't do it until i get ready to steer. it does it the one time and no more. it's really confusing. i hope i'm describing it legitimately for assessment. thanks.
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Old Sep 29, 2005 | 04:49 PM
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pair o jacks
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From: 89 Coupe L98 Auto 54k Dk Red Med Oak Forest, Illinois
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Could be the ABS unit doing its test. Is your foot on the brake when it makes the noise??? Is the noise coming from the pass side rear???
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Old Sep 29, 2005 | 05:05 PM
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Originally Posted by pair o jacks
Could be the ABS unit doing its test. Is your foot on the brake when it makes the noise??? Is the noise coming from the pass side rear???
no, it usually does it once i take off and move the steering wheel. it's definitely coming from the front.
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Old Sep 29, 2005 | 05:18 PM
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From: Richmond VA
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From what you describe I would say rack or pump but before investing in repairs on that I would try a flush and fill of the system. Some have had sucess will BG or other good additive to free up sticking items.
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Old Sep 29, 2005 | 07:32 PM
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The noise you hear is your ABS pump behind the driver seat. This will happen every time you start and reach approx 3 MPH.
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Old Sep 29, 2005 | 10:48 PM
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Originally Posted by PLRX787
The noise you hear is your ABS pump behind the driver seat. This will happen every time you start and reach approx 3 MPH.
if indeed this is the case, am i supposed to be hearing it like that?
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Old Sep 30, 2005 | 04:29 AM
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From: Hobe Sound FL
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ABS
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Old Sep 30, 2005 | 12:20 PM
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Originally Posted by white40
if indeed this is the case, am i supposed to be hearing it like that?
Yes, be worry if you don't hear it. Just like a beer gut, we live with it
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