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

Loud Grinding Starting Issues

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Old Sep 26, 2013 | 06:43 PM
  #1  
Mark192002's Avatar
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Default Loud Grinding Starting Issues

I am having a loud grinding sound with the car shaking coming from under the hood. I think it's the starter etc but want to be sure before I yank it out.

1994, Automatic, 126,000 miles.

2 videos.

http://www.youtube.com/watch?v=Ro0ch...ature=youtu.be

http://www.youtube.com/watch?v=8VqL4...ature=youtu.be

Let me know what you think.

Thanks in advance.
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Old Sep 26, 2013 | 07:03 PM
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First thing I would do is turn the engine over by hand to see if you have any unusual noises. Hopefully you don't have engine failure.

Next, pull the flex plate cover, and have a friend turn the engine by hand. Check the flex plate teeth for damage. If that's all OK, then pull you starter and check it thoroughly.

Good luck.
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Old Sep 26, 2013 | 07:53 PM
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I agree with 92 I would see if the motot turns over by hand. I tried to look at the alt in the video it does no appear it is. if you cannot turn it over take you belt off and see if all the acc turn freely. then try turning over again.

Last edited by hooked073; Sep 26, 2013 at 07:56 PM.
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Old Sep 26, 2013 | 09:22 PM
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Was this all of a sudden or did you do something before? I've heard a sound like that before. It turned out to be the flywheel hitting the aluminum cover on the bell housing. (I removed the cover to clean it while changing out the oil pan gasket.)
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