The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Protecting Radiator Support from Battery Corrosion

toolboxchev · 04-18-2020, 01:00 PM

Yes a sealed battery will help, yet I believe they all have some type of vent.

Biggest part of the problem I can see is the old style separate voltage regulator.

I had one go into an overcharging situation a year ago. It was putting out over 19 volts to my electrical system. It did make my Optima Red Top battery spit some juice out of the vent. Got all over my new radiator.

With the old style system every time you start your vehicle those old regulator will push more than 16 amps to get the battery back up to snuff. I believe that would be a main cause, or where I am going to begin looking.

04-18-2020, 01:00 PM	#2
toolboxchev Registered User Join Date: Jul 2015 Location: 2nd left past the stump on a dirt road. Posts: 2,629	Re: Protecting Radiator Support from Battery Corrosion Yes a sealed battery will help, yet I believe they all have some type of vent. Biggest part of the problem I can see is the old style separate voltage regulator. I had one go into an overcharging situation a year ago. It was putting out over 19 volts to my electrical system. It did make my Optima Red Top battery spit some juice out of the vent. Got all over my new radiator. With the old style system every time you start your vehicle those old regulator will push more than 16 amps to get the battery back up to snuff. I believe that would be a main cause, or where I am going to begin looking.