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2002 caddi north star engine knock

Tiny
UNIFSRN
  • MEMBER
  • 2002 CADILLAC DEVILLE
My 2002 caddi, north star engine has a knock when it is cold-dealer says $600.00 will make it go away-something about decarbonize engine, there such a thing?

thank u for any input
Wednesday, October 17th, 2007 AT 7:18 PM

1 Reply

Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
Yes let them do it
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Monday, October 29th, 2007 AT 10:49 AM

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