How to replace spark plugs?

Tiny
CHARLESTUCK
  • MEMBER
  • 2010 CADILLAC DTS
  • V8
  • 110,750 MILES
Car listed above is a DTS Platinum Edition. I need to know how to replace the spark plugs. Are there any special tools needed? How much time does it take?
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Wednesday, May 26th, 2021 AT 8:18 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

The only special tool you will need is a spark plug socket and extension. The spark plugs are recessed in the valve covers. You will need to remove the coil packs to access the plugs. Only do one at a time so nothing gets mixed up.

To get you started, here is a link that explains the procedure in general. It will be a great guide for you when working on your vehicle.

https://www.2carpros.com/articles/how-to-change-spark-plugs

If you look below, I provided the directions specific to your vehicle for replacement. The last three pics below show two covers that need removed (they are clipped on) and then the one bolt to remove the coil.

Let me know if this helps or if you have other questions.

Take care,

Joe

See pics below.
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Wednesday, May 26th, 2021 AT 9:07 PM

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