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23:24:14 - 12/19/2024
V6 Dakotas
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swilliamson
Dodge Dakota
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4/03/2004
21:42:03
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 Subject: Reading Plugs, Cap and Rotor
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Message:
I need a little help reading my plugs, cap and rotor.
Today I replaced the plugs, wires, cap and rotor. The bottom of the cap contacts, and the rotor contact had some white residue on them, kind of looked like battery corrosion. The end of the rotor also looked a little melted, kind of like a bad weld in a single spot.
Also, the 3,4,5,6 plugs also had this stuff on the metal hook (what is this called?)
So, what does this meam? The truck has ~80,000 miles. It is a '97 3.9l CC. The cap, rotor, and wires were all original, though the plugs had been changed once.
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TOMZ
Dodge Dakota
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4/03/2004
23:11:35
| RE: Reading Plugs, Cap and Rotor
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Message:
What you see is oxidation. It is common on 1 or all the electrical connections. It's not something to be too worried about. Just a word of caution, cleaning and changing the plugs, wires, cap and rotor a little more often might be a good idea.
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cjski
Dodge Dakota
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4/04/2004
03:50:24
| RE: Reading Plugs, Cap and Rotor
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Message:
i had the same question a few days ago, it's called 'corona', caused by a slight arc between worn terminals...
chris
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slopehead
Dodge Dakota
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4/04/2004
10:32:21
| RE: Reading Plugs, Cap and Rotor
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Message:
the "metal hook" is called the side wire, at least by Champion.
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