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Why do some Zs make this sound between pressing Start button and cranking?

Before buying my '12 I watched a few vids of startups and noticed there was this sound right before the starter cranking. Sounds almost like an electric motor of some

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Old 08-17-2014, 05:04 AM   #1 (permalink)
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Default Why do some Zs make this sound between pressing Start button and cranking?

Before buying my '12 I watched a few vids of startups and noticed there was this sound right before the starter cranking. Sounds almost like an electric motor of some kind. But my car doesn't do it, it just cranks right up. Some videos are like my car, others have this sound. What is it? Here's an example.

Nissan 370Z Startup - YouTube
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Old 08-17-2014, 06:15 AM   #2 (permalink)
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Before mine starts. I hear my fuel pumps run.
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Old 08-17-2014, 06:19 AM   #3 (permalink)
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I don't hear anything out of the ordinary in your video. I bet you're hearing the fuel pump, like Rusty mentions, especially if it's a fairly high pitched whirring sound.
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Old 08-17-2014, 06:51 AM   #4 (permalink)
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I def know what a fuel pump sounds like. My doesnt do it but some if these vids make this abrupt sound inside. You don't hear it immediately after the push of the button in the vid? Between button and start.
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Old 08-17-2014, 06:55 AM   #5 (permalink)
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Same here at 20 sec mark.

Nissan 370z start up - YouTube
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Old 08-17-2014, 07:36 AM   #6 (permalink)
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steering lock disengaging
Trips, SouthArk370Z and LostSol like this.
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Old 08-17-2014, 08:03 AM   #7 (permalink)
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Quote:
Originally Posted by Ubetit View Post
steering lock disengaging
Ah yes that's it. Makes perfect sense now.
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Old 08-17-2014, 08:29 AM   #8 (permalink)
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Quote:
Originally Posted by Ubetit View Post
steering lock disengaging
This. Sometimes the steering wheel will have slight movement.
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Old 08-17-2014, 08:54 AM   #9 (permalink)
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Quote:
Originally Posted by Ubetit View Post
steering lock disengaging
I agree.................................
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Old 08-17-2014, 08:58 AM   #10 (permalink)
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Yeah no steering lock on my '12.
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Old 08-17-2014, 04:11 PM   #11 (permalink)
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Hopefully the YouTube guy pulled the fuse so his steering wheel lock won't freeze up...
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