Date:         Thu, 10 Jun 2021 08:22:07 -0700
Reply-To:     Dan N <dn92610@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dan N <dn92610@GMAIL.COM>
Subject:      Spark plugs caps
Content-Type: text/plain; charset="UTF-8"

hi all,

Recently I did a tune up on my 1988 Carat 2.1 WBX I noticed that the spark
plugs caps have a rubber ring on them. I looked at my son's 1989 GL
the spark plugs caps don't have the rubber ring. On both vans the spark
plugs wires were replaced some years ago (Bosch brand I guess)... so the
questions..

- why do some spark plugs wires/caps have the rubber ring and some don't?

- I guess the spark plugs rubber rings are there to prevent dirt going into
the cavity and around the spark plugs caps. Is it essential (or must have)
to have a rubber ring or is it optional?

thanks

dan

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