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Discussion Starter · #1 ·
I have a 2019 Acadia and I am having problems with corrosion on the negative lead. Corrosion is building up quickly. When the corrosion builds up to much I get the power steering warning and the thermostat stops reading anything. I clean the lead and everything works again. I put the anticorrosion spray on it but it is still building up. I did replace the battery a few months ago. Any suggestions?
 

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Try putting a penny next to the post so it becomes the sacrificial metal.
If it has top post....
 
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Thank you for posting this. I had paid a lot of money to have the power steering and thermostat problems fixed on my 2017 Acadia, and what do you know, had to replace the battery last summer with a ton of corrosion. I will look into this going forward.
 
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