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battery washers - how long do they last (prevent corrosion)
I have been getting alot of blue-green corrosion around my battery
terminals. It still happened after I replaced my battery. It seems that this is caused by the tin wearing off on my battery terminals exposing the copper. While I will consider replacing my terminals at some point, I currently have been using those felt battery washers. Does anyone know how often they last before they need replacement? Any other ways to prevent terminal corrosion buildup? I hear that vaseline and other greases are not good as they will leak into the terminal connection. Thanks |
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When I tried those felt washers, the connectors on my Accord would not
seat far enough down on the tapered posts to tighten properly because of the felt thickness. I think they would work best with the older style connectors. You can also use electrical anti-oxidant available at the hardware. dan wrote: > I have been getting alot of blue-green corrosion around my battery > terminals. It still happened after I replaced my battery. It seems that > this is caused by the tin wearing off on my battery terminals exposing > the copper. While I will consider replacing my terminals at some point, > I currently have been using those felt battery washers. Does anyone > know how often they last before they need replacement? Any other ways > to prevent terminal corrosion buildup? I hear that vaseline and other > greases are not good as they will leak into the terminal connection. > Thanks > |
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Lawrence Glickman wrote: > On 22 Mar 2005 17:01:25 -0800, wrote: > > >>I have been getting alot of blue-green corrosion around my battery >>terminals. It still happened after I replaced my battery. It seems that >>this is caused by the tin wearing off on my battery terminals exposing >>the copper. While I will consider replacing my terminals at some point, >>I currently have been using those felt battery washers. Does anyone >>know how often they last before they need replacement? Any other ways >>to prevent terminal corrosion buildup? I hear that vaseline and other >>greases are not good as they will leak into the terminal connection. >>Thanks > > > There is some spray on stuff that resembles acrylic that will seal > things up for you. Comes in a small red can; check auto parts store. > Only a few dollars. Be careful with that stuff. It becomes really hard, and it's near impossible to remove. I spread out one sheet of newspaper, but a small amount of overspray was permanent on my garage floor. The can said it contained MEK, so maybe some super-nasty MEK brush cleaner might do the trick. Acetone certainly wouldn't get rid of it. Oh - the stuff I used was marketed by Exide, but someone else likely made it. I've also tried gel-type corrosion inhibitors from Permatex and Victor. Those don't dry up - they're still rather messy after they're applied. |
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On Wed, 23 Mar 2005 06:49:26 GMT, y_p_w > wrote:
> > >Lawrence Glickman wrote: > >> On 22 Mar 2005 17:01:25 -0800, wrote: >> >> >>>I have been getting alot of blue-green corrosion around my battery >>>terminals. It still happened after I replaced my battery. It seems that >>>this is caused by the tin wearing off on my battery terminals exposing >>>the copper. While I will consider replacing my terminals at some point, >>>I currently have been using those felt battery washers. Does anyone >>>know how often they last before they need replacement? Any other ways >>>to prevent terminal corrosion buildup? I hear that vaseline and other >>>greases are not good as they will leak into the terminal connection. >>>Thanks >> >> >> There is some spray on stuff that resembles acrylic that will seal >> things up for you. Comes in a small red can; check auto parts store. >> Only a few dollars. > >Be careful with that stuff. It becomes really hard, and it's near >impossible to remove. I spread out one sheet of newspaper, but a >small amount of overspray was permanent on my garage floor. The >can said it contained MEK, so maybe some super-nasty MEK brush >cleaner might do the trick. Acetone certainly wouldn't get rid of >it. Oh - the stuff I used was marketed by Exide, but someone else >likely made it. > >I've also tried gel-type corrosion inhibitors from Permatex and >Victor. Those don't dry up - they're still rather messy after >they're applied. It appears we have the same "stuff" My can says: Exide CRO/GARD Battery Protector with red tint eliminates corrosion and oxidation Says it contains: Toulene Acetone Methyl Ethyl Ketone. IOW, it appears to be liquid "acrylic" It's on my battery terminals right now, and there is zero oxidation apparent on either the terminals or cable clamps. Then again, there might be zero oxidation even without this "stuff" As one other poster mentioned, outgassing is what is doing this, and if your battery is excessively outgassing, it is time to look at both the charging system ( for overcharging ) and the battery itself for breaks in the seals. The car battery is IMO one of the =most= neglected pieces of equipment under the hood of any automobile. Not to say other things aren't neglected also. Lg |
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