LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Corrosion on coil plug

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Old Apr 23, 2006 | 11:16 AM
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buzz12586's Avatar
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Corrosion on coil plug

I replaced my plugs and wires the other day and I noticed there was some corrosion on the coil plug. Whats the best thing to clean it with, or do I need to replace the coil? Someone told me I could clean it with sandpaper, is this a good idea??
Old Apr 23, 2006 | 11:19 AM
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Re: Corrosion on coil plug

Originally Posted by buzz12586
I replaced my plugs and wires the other day and I noticed there was some corrosion on the coil plug. Whats the best thing to clean it with, or do I need to replace the coil? Someone told me I could clean it with sandpaper, is this a good idea??
I use that or steel wool

as long as you can get it clean, and use dielectric grease, it should be fine

but if you ever have a no start issue(unlikely), look there first
Old Apr 23, 2006 | 11:26 AM
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Re: Corrosion on coil plug

Never had a problem with it starting. Just happened to notice this while I was changing wires. Thanks for the help.
Old Apr 23, 2006 | 01:53 PM
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Re: Corrosion on coil plug

I noticed the same problem when I took off the Taylor wires I was using. I took a can of electronics cleaner, and cleaned it off. I also sprayed it into the opti connection and used Q-tips to clean it out. A few times of this, and it was clean.

I also took a small mirror and looked into the spark plug wire connectors. Some of these were pretty bad as well, and I cleaned them the same way.

Thomas.
Old Apr 23, 2006 | 02:03 PM
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Re: Corrosion on coil plug

I used a small piece of fine sandpaper to remove the corrosion. Mine was pretty bad so I had to take pliers and bend in the contact inside the coil wire some, but after that it worked just fine.
Old Apr 23, 2006 | 03:32 PM
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Re: Corrosion on coil plug

Well I have new wires so the inside of them is not corroded, i"ll just have to clean off the plug.
Old Apr 23, 2006 | 04:14 PM
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Re: Corrosion on coil plug

Originally Posted by buzz12586
Well I have new wires so the inside of them is not corroded, i"ll just have to clean off the plug.
Sorry, I just reread my post and it's not clear ...... I'm not talking about the wire, I'm talking about the optispark itself .... where the wires plug in. It wouldn't hurt to peek inside with a mirror and check out the terminals.

Thomas.
Old Apr 23, 2006 | 04:49 PM
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Re: Corrosion on coil plug

Originally Posted by Stoopalini
Sorry, I just reread my post and it's not clear ...... I'm not talking about the wire, I'm talking about the optispark itself .... where the wires plug in. It wouldn't hurt to peek inside with a mirror and check out the terminals.

Thomas.

Ah I see what you are saying. I wish I would have thought of that when I was doing the plug wires. Hahaha.
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