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Pontiac 400 Engine Turbine noise Video

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Old May 24th, 2015, 06:07 AM
  #1  
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Pontiac 400 Engine Turbine noise Video

Hey
I got a Strange Noise like a Turbine when Running the Engine hot.
I think some bearing issue with one pulley...

How do you suggest to identify from where it Origins.


Video


http://www.youtube.com/watch?v=O5CZiSWFIvE



Alex
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Old May 24th, 2015, 06:25 AM
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Its because the Delta is screaming for an Olds engine...lol. Check the power steering pump alternator etc...unhook all the belts and turn it on for a minute see if its still there. If it is Id look at the trans.
What have you changed recently? Ive heard distributor rotors scrapping on the cap do this too.
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Old May 24th, 2015, 07:29 AM
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As stated above, disconnect all the belts and see if its still there. Process of elimination.
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Old May 25th, 2015, 02:48 AM
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So i did it. All belts Off. Sounds still appears seems comming from the Carb inside the engine..

Distributor was changed last year

http://www.youtube.com/watch?v=8bpMbMrNAYc

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Old May 26th, 2015, 07:33 AM
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Definitely sounds like a vacuum leak. Hook a vacuum gauge to it see what it reads. Do the plugs read lean?
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