I replaced plugs in my 99 c70 when I had a misfire diagnosis. When removing I noticed a bit of oil in numbers 3 and 4. I ran into the owner of the local import shop and he said more than likely it was the spark plug seals. I ordered a set from auto zone and received 6 o- rings. Now the question...where are they located? How do I remove and replace? Any help would be appreciated.
Spark plug seal
- Thread starter Scgator62
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