How To Test Your Anti Freeze And Dex Cool Youtube Open your hood and locate your radiator and coolant reservoir. some older vehicles don’t include a reservoir, but most modern vehicles have a small tank for filling and checking the coolant level. the reservoir should be clear plastic, so you can easily see the level of coolant and the maximum fill line. Test the coolant. set your multimeter to dc volts to less than (<) 20 volts. touch the black lead to the negative battery lead or the chassis ground, and place the red lead into the coolant. if the reading is less than .4 volts, the coolant is in good shape. anything over that indicates the anti corrosive properties of the antifreeze have.
How To Check Your Antifreeze Diy Family Handyman 1. inspect the surface of the coolant for signs of an oil leak. look for an oily film on the surface on the coolant. coolant can come in a variety of colors, including red, green, blue, and yellow. however, if the surface is dark or has an oily foam on the surface it may mean that there is a leak in your head gasket. Insert the tubular end of your hydrometer into the coolant. squeeze the rubber bulb, filling the transparent plastic body of the hydrometer with coolant. examine the floating indicator inside. it will point at a certain number printed on the tool based on the coolant’s density. 5. squeeze the bulb of your antifreeze testing tool. this will create a vacuum inside the tester that will suck coolant into the chamber, providing a sample of your vehicle’s coolant to test. 6. stop filling the tester when the amount of liquid fills up to the top of the temperature measurements on the tool. 7. Step 2: pop the hood and locate the radiator cap. open your car’s hood. almost all cars have their radiators located under the hood. once the hood is opened, look to the front of the engine bay.
How To Check Antifreeze Coolant For Freeze Point And Boil Over 5. squeeze the bulb of your antifreeze testing tool. this will create a vacuum inside the tester that will suck coolant into the chamber, providing a sample of your vehicle’s coolant to test. 6. stop filling the tester when the amount of liquid fills up to the top of the temperature measurements on the tool. 7. Step 2: pop the hood and locate the radiator cap. open your car’s hood. almost all cars have their radiators located under the hood. once the hood is opened, look to the front of the engine bay. How to know when you need to change or flush your coolant. do you need new antifreeze or a radiator flush? learn 4 different methods to test your coolant inc. Check its freeze protection. determine the coolant’s freeze protection using an inexpensive tester from any auto parts store test condition with test strips. the coolant’s anti corrosion additives wear out long before coolant loses its freeze protection and old coolant can contain acids that damage the internal components.
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