Question about 1991 Lexus LS 400

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What is the name of the liquid to put in the radiator to stop the overheating.

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First, you need to check . what cause the over heat , it could be just the simple things like .coolant fan ,or coolant fan relay, and need more coolant. The liquid you ask is so expensive ,sometime it doesn't works waste the momey. I am not very sure the name because it beem long time, I think It called The Red Devil.

Posted on Apr 25, 2010

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That would be coolant or anti freeze,but it dont over heating it helps keep the cooling system rust free and helps prevent overheating but it dont keep it from overheating,if your overheating there is a problem you need to deal with,check the water level,check the thermostat,are the fans turning on,is there signs of leaking around the water pump?

Posted on Apr 25, 2010

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