Engine has a low knocking sound

250,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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CLIFFSMITH500
  • MEMBER
  • 1 POST
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.
May 1, 2020 at 1:10 AM
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DANNY L
  • ✓Experienced 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.
May 1, 2020 at 4:22 AM
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