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Engine has a low knocking sound

Tiny
CLIFFSMITH500
  • MEMBER
  • 2000 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
Have the car listed above GTP. Started with high knocking and squealing noise thought it was bearing in super charger replaced that and didn't stop. Next replaced a serpentine tensioner. Car was sitting for about four days, when started has a low knocking sound but isn't smoking. I have put a lot of maintenance into this vehicle to all of a sudden one day to scrap it over a blown engine.
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Friday, May 1st, 2020 AT 8:10 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Usually with a sound or noise we ask you to use your cell phone to make a video of the sound and upload it here. Is that something you can do? That will help us better diagnose the problem. Hope this helps and thanks for using 2CarPros.
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Friday, May 1st, 2020 AT 11:22 AM

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