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How to Replace Spark Plugs on a Cadillac CTS

Model: Cadillac Cts MK 1 - Years: 2002, 2003, 2004, 2005, 2006, 2007
Part: Spark plugs

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Video tutorial

To replace the spark plugs on this vehicle model, refer to the images in the tutorial video and read the instructions in this description for guidance. After opening the hood, remove the plastic engine cover, then use a socket wrench to take out the support screws for the intake manifold.

Next, remove the screws securing the coils underneath and unscrew the spark plugs. Reverse the process to reassemble all components, and the job will be complete.


Updated on 14 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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