2002 caddi north star engine knock

2002 CADILLAC DEVILLE
Avatar
UNIFSRN
  • MEMBER
  • 1 POST
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
Oct 17, 2007 at 12:18 PM
Avatar
BUZZSAW
  • ✓Experienced Mechanic
  • 1,198 POSTS
[quote:c117c427aa="unifsrn"]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[/quote:c117c427aa]

yes let them do it
Oct 29, 2007 at 3:49 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle