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07-18-2015, 10:32 AM | #1 |
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Location: NW Pa./Sc.
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Battery hold down corrosion
Other than the battery top leaking, what else could cause this kind of corrosion? The damage was on the passenger side of the hold down. The fellow I bought the car from had already installed the red & green felt post pads. The posts on the battery were clean as a whistle & except for the corrosion, the hold down looked almost brand new. I cleaned off the top of the battery and installed a new hold down yesterday. There was a very small amount of water/acid between the caps. I will be keeping a very close eye on the battery top. The battery seems to take a charge just fine with no issues. Any thoughts? Thanks, Smitty
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07-18-2015, 11:33 AM | #2 |
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Re: Battery hold down corrosion
Yo' Smittty Kid,
Just usual stuff that happens on most cars. To clean it, Chief taught me to slowly pour boiling HOT water on the area. The ACID, with heat added, acts as it's OWN cleaner. Poke old corroded battery cable ends in a can of HOT water & they come out looking LIKE NEW! ! Put your braided ground strap in HOT water & it'll look like NOS! Bill W.
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"THE ASSISTANT GURU OF STUFF" Last edited by BILL WILLIAMSON; 07-18-2015 at 02:51 PM. |
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07-18-2015, 11:47 AM | #3 |
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Re: Battery hold down corrosion
I always use hot water to clean off batteries. Pour on a few ounces and let it set for a few seconds, then pour on the rest of the gallon to be sure it's well rinsed.
Overcharging is probably the biggest cause of acid on top of the battery. I always use an electronic voltage regulator and haven't had any problems. I wonder how powder coating would hold up on the clamp? Maybe spray the underside of the clamp with 3M rubberized undercoating. |
07-18-2015, 12:45 PM | #4 |
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Re: Battery hold down corrosion
I have always sprinkled baking soda on the corrosion and rinsed it off with water. What does the hot water have to do with it??
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07-18-2015, 01:07 PM | #5 |
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Re: Battery hold down corrosion
You got good answers hot water and overcharging...
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07-18-2015, 01:13 PM | #6 |
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Re: Battery hold down corrosion
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do not fill a discharged battery any more than to cover the plates --the level will rise as the battery comes to full charge |
07-18-2015, 01:16 PM | #7 |
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Re: Battery hold down corrosion
Yep what Kurt said also
Many people think a battery gets filled to the top |
07-18-2015, 07:32 PM | #9 |
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Re: Battery hold down corrosion
Once cleaned, my preference hot water and baking soda, coat the areas you wish to protect with syrup. Include the cable ends at the battery.
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07-18-2015, 10:37 PM | #10 | |
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Re: Battery hold down corrosion
Quote:
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07-19-2015, 05:02 AM | #11 |
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Re: Battery hold down corrosion
Thanks, guys!
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07-19-2015, 07:51 AM | #12 | |
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Re: Battery hold down corrosion
Quote:
Servicing Highway Patrol Chryslers, the battery caps were almost ALWAYS melted! We saved good used caps to replace them. Some caps were like "hard rubber" & would last well. The UNDERHOOD temps must have been like HADES!!! Bill W.
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