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Unable to Tighten GM Side Mount Battery Terminal
HLS wrote:
> > "jim" > wrote in message > ... > >> Lasting forever is not the question. I have taken apart side mounted >> terminals that have been installed for 3-5 years and found the sealed >> inner metal parts to be still like new. That doesn't happen with top >> posts. It doesn't matter if the top posts are sealed with a rubber >> boot or >> with vaseline or lacquer or whatever - Taking them apart after 3-5 years >> of service they never look like new. The simple fact that you feel the >> need to add sealant of some kind is an indication of the problem with top >> posts. Not that there aren't advantages to top post batteries, but >> they do >> on average require more maintenance. >> >> -jim > > I more or less agree. Side terminals would not be expected to go > corrosed in 3-5 > years, but as the car ages they sometimes DO become internally > corroded,. leading > to difficulties. Whether top or side posts, I maintain mine regularly > and usually apply > Vaseline to help offset corrosion. They require minimal maintainance to > keep them > working well. My experience is that terminal corrosion is 100% a function of how tightly the battery case is sealed. Neither top nor side posts will corrode with a sealed battery like an Optima. Yes, I HAVE removed Optima top-post clamps after 5-6 years and found shiny metal under the clamp. Both types will also corrode (and BADLY) with any battery that has a poor vapor seal around the terminal itself. I've seen plenty of side-post batteries with the threaded bolt eaten away to nothing. |
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