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Car Forum / Driving, Maintenance, Tuning / General Car Topics / December 2005hot engine with heat on?
Last weekend I added about 1 gallon of coolant to my 1990 toyota pickup. I decided to add coolant because the heat was not very warm (just noticed with the colder weather) . This week on the way to work the engine got very hot (very close to the red on the gauge) As soon as I turned the heat off the engine went back to normal. I know most of the time if your engine is hot you are told to turn the heat on to help with the cooling.... this is just the opposite. Is my problem the thermostat ? or somethhing else? Did you add a gallon of water or anti-freeze. Anti-freeze is no "coolant," water is coolant. The problem could very well be that you added more anti-freeze than water and the engine isn't being sufficiently cooled. You are correct though about turning the heater on usually helping when the vehicle is overheating, that is a strange problem. http://www.carforums.net/ Auto Forums I did mix about 60 - 40 with water. Today I am going to top it off with the engine running to make sure there is no air in the system. > Did you add a gallon of water or anti-freeze. Anti-freeze is no > "coolant," water is coolant. The problem could very well be that you [quoted text clipped - 5 lines] > http://www.carforums.net/ > Auto Forums Running with pure coolant or too strong a mix will cause your engine to overheat. I have seen that a lot. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Aug./05 http://www.imagestation.com/album/index.html?id=2120343242 (More Off Road album links at bottom of the view page) > Last weekend I added about 1 gallon of coolant to my 1990 toyota > pickup. I decided to add coolant because the heat was not very warm [quoted text clipped - 5 lines] > heat on to help with the cooling.... this is just the opposite. > Is my problem the thermostat ? or somethhing else? |
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