2006 Buick LaCrosse rattle

2006 BUICK LA CROSSE
46,000 MILES • 6 CYL • FWD • AUTOMATIC
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DAVIDG07
  • MEMBER
  • 2 POSTS
I hear a rattle noise when car starts, it goes away when engine reaches norm operating temp
Feb 13, 2011 at 9:51 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
you might have a broken converter shield and it rattles until it gets warmed up.
Feb 14, 2011 at 3:00 AM
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DAVIDG07
  • MEMBER
  • 2 POSTS
To: hmac300;
Your diagnosis was right on point...shield just needed spot welding...thanks very much.
Feb 28, 2011 at 4:34 AM
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