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jerrym
GenI
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9/13/2014
23:18:00

Subject: 4.7 liter spark plug question
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Message:
Hello,

Getting ready to change the spark plugs in my 2000 4.7 liter Dakota.

When pulling the spark plug coil/tube assembly from the plugs, I notice the rubber o rings at the bottom are really dry rotted and falling apart on some plug tubes. So before removing the plugs, I am going to blow air into the head before removing the plug to prevent debris from getting in the cylinder.

My question is, what exactly do these o rings do and are they needed. If they only keep dust out of the plug hole I might not replace them.

Went to the dealership to see if you can buy the o rings, but they only sell the whole coil/plug by itself.

Has anyone experienced this, or have any ideas?

Thanks!



00DakDan
Dodge Dakota
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9/14/2014
20:38:23

RE: 4.7 liter spark plug question
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Message:
I have the same thing happening on my '00 Dakota.

I found some replacement O rings at my local
hardware store.



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