Coolant acidity test

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Zip Code: 20119
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Case 455, AC Gleaner F
Location: Catlett's Station, Virginia

Coolant acidity test

Postby Secesh » Sat Feb 21, 2015 11:58 am

To determine if your coolant has become acidic, set your digital multimeter to read a low direct current and place one probe in the coolant at the top of the radiator, not touching anything but the coolant, and the other probe on a good ground somewhere on the vehicle. The more voltage it's producing, the more acid the coolant has become.

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