98 mazda overheating

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Old 01-24-07, 10:05 AM
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98 mazda overheating

My wife was driving her car last night and said she noticed that the needle was all the way to the (H) on the temp guage. She said she turned on the air (I think), maybe the heat, and the temp went back down. I ran the engine for a good 20 minutes a little while ago and the temp stayed in the normal range. I opened the hood and it was wet below the coolant tank like something sprayed out, but the radiator is still full. I am thinking thermostat, but I want to get some ideas before I begin. Thanks.
 
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Old 01-24-07, 10:28 AM
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With the radiator full and the passenger fan/heater able to bring the temp back down, I agree that the engine thermostat is a good place to start.
 
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Old 01-24-07, 12:16 PM
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I would put in a new thermostat as soon as possible. It most likely will solve the problem; and, since the vehicle is old, it will need one anyway -- you'll be doing preventative maintenance even if it doesn't solve this problem.
 
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Old 01-24-07, 10:05 PM
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Something else to think about.
Observe after normal driving if your radiator fan is cycling on and off.
Could be a bad fan motor relay.
 
 

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