Question about 2001 Ford Focus

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"Greasing" battery posts and clamps

When everyone says "grease the battery terminals", what do they mean? Are you supposed to lubricate the posts (with silicone grease) and then put the clamps on (so that the grease is interfacing with the clamped surfaces) or are you meant to clamp to the posts clean and dry and then generally cover with grease? Surely a clean and dry clamp will provide better conductivity?

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Does not inprove contact it causes a poor contact when the grease gets hot and works it way between the terminal end and the terminal post. Don't recommend doing this. just clean the top of the battery with 1 -2 gal of hot water when needed

Posted on Jul 18, 2009

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This a permanent fix, get a dry cell battery,little more expensive but you will never have corrosion again or no crank concern from resistance due to corrosion. never buy battery cables again.

Posted on Jul 18, 2009

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Hi

The purpose of "greasing" the battery terminals is not to improve conductivity but to prevent water ingress, seal out moisture and prevent corrosion - therefore your assumption is correct - you should make the connections first and then a touch of grease over the top will suffice.

Incidentally believe it or not a touch of ordinary Vaseline over the connection is as good as any for this purpose !!

Hope this helps. Please remember to rate my answer. Many Thanks.

Posted on Jul 18, 2009

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Yes you are correct. I have never heard that term before. There is a battery protector spray you can buy and apply on top of a good clean pattery post.

You know If I lived in the back woods I guess greasing the post would be another option.

Got to give credit for ingenuity

Posted on Jul 18, 2009

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