Return to article: How to Check and Add Radiator Fluid
on 7/22/2008 Hold your hand above the radiator cap. If you can feel the heat, wait longer. If you can't feel heat, then touch it gently. If it is hot or warm, wait longer. Only unscrew it if it is cool.
on 8/15/2007 Very nice suggestion!!!
on 9/2/2006 Gently touch the radiator cap. If it's still warm or hot to touch, then it's not ready.
on 11/22/2005 Tap water has significant mineral content. This will remain behind as the water evaporates, leading to build-up.
on 11/22/2005 Don't mix colors when it comes to anti-freeze. If your car has the green type of anti-freeze, stick with it. If it has the orange Dexcool, stick with that. It's impossible to fully flush residue from either one, and while coolant is coolant, the inhibitors in these can mix together nastily causing serious engine damage.
on 11/22/2005 Always carry a jug of water in your car in case of over heating. It will make your life so much simpler.
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