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How to install a spark plug boot on a 2006 Cadillac CTS engine 3.6 v-6

Tiny
CADIE
  • MEMBER
  • 2006 CADILLAC CTS
  • 43,000 MILES
Having trouble know how to replace the boot
Saturday, November 26th, 2011 AT 8:07 PM

3 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
What do you mean by boot? The 3.6 does not have a boot. It has a coil, and spark plug. Which cylinder as well, there are only two cylinders that can be serviced without upper intake removal.
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Saturday, November 26th, 2011 AT 9:45 PM
Tiny
CADIE
  • MEMBER
  • 2 POSTS
Thanks for the reply. How can you tell which coil is arching? I can hear the spark jumping but no visual in the dark.
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Sunday, November 27th, 2011 AT 12:37 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
You will probably have no visual, as the spark is delivered at the bottom of the port at the plug. From a shadetree standpoint, if it is continuously misfiring, you could try and disconnect each coil, 1 at a time. Is the check engine light on, it should be. A diagnostic test may point to a single cylinder by code, or in misfire data.
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Sunday, November 27th, 2011 AT 1:41 AM

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