Loud rattling noise at first Morning start

Tiny
BARRY BROMBERG
  • MEMBER
  • 2006 BUICK LA CROSSE
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
For the first start in the morning the car makes a loud rattling noise. It starts well. It runs well. It only does this for the first start in the morning. The noise goes away after about a minute or so.
Friday, September 14th, 2018 AT 6:57 AM

1 Reply

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

Have you taken a look underneath when you first start the car and hear the noise? I sounds like it might be a lose/cracked/defective exhaust system heat shield. If you have a chance it might help to use your phone and make a video to upload here so we can hear the noise. Hope this helps and feel free to ask questions. Thanks for using 2CarPros.
Danny-
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Saturday, September 15th, 2018 AT 9:00 AM

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