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Spark Plug Replacement

Tiny
ESKIMO
  • MEMBER
  • 2006 CHEVROLET COBALT
  • 4 CYL
  • FWD
  • MANUAL
  • 38,000 MILES
I took in my car to the dealership for some work and one of the problems was that the car needs new spark plugs. They wanted to charge me like one hundred dollars to replace the spark plugs which I thought was ridiculous. So I figured I would buy my own spark plugs and replace them myself, I figured it would take me fifteen minutes. Then I opened the hood and these new cars are crazy, I don't even know where to begin. There is a lot of stuff over the spark plugs and including a medal cylinder and lots of electrical. It sure does not look like your normal spark plug set up. How do I complete this task? Is it possible for me to do it or am I going to have to take the car in to the dealer?
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Saturday, January 5th, 2008 AT 12:07 PM

5 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Remove the coil housing from the top of the engine, then remove the spark plugs. Use only AC Delco spark plugs. Here is a video to help you

https://youtu.be/xyqOo5MhgGk

SPARK PLUG TYPE
GM P/N .................... 12569190
A/C/ DELCO .................... P/N 41-981

This guide can help as well

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

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Wednesday, January 23rd, 2008 AT 9:25 PM
Tiny
LOUCOBALT
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET COBALT
How to replace them and what type is needed?
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Monday, December 9th, 2019 AT 9:28 PM (Merged)
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Remove the coil housing from the top of the engine, then remove the spark plugs. Use only AC Delco spark plugs.
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Monday, December 9th, 2019 AT 9:28 PM (Merged)
Tiny
COWBOYMARINE
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET COBALT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 102,600 MILES
I'm a little over 100,000 miles on my cobalt and I need to know how to replace the spark plugs and if there is a specific kind of spark plug I need to buy.
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+1
Monday, December 9th, 2019 AT 9:29 PM (Merged)
Tiny
BRIAN 1
  • MECHANIC
  • 1,030 POSTS


https://www.2carpros.com/forum/automotive_pictures/147643_spark_plug_1.jpg

Remove the ignition coil housing.replace the plug with OEM plugs,too many problems with aftermarket plugs.
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Monday, December 9th, 2019 AT 9:29 PM (Merged)

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