Question about 1997 Chevrolet Tahoe

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TEMPERATURE GAUGE GOES UP AND THEN SUDDENLY GOES DOWN. BLOWS COLD AIR WHEN ON HEAT. COULD THIS BE THE WATER PUMP OR THERMOSTAT?

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Could be low on anti freeze or thermostat going

Posted on Nov 09, 2010

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Check out related help links with solutions to troubleshoot the problem:---
Click the link below:---
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http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html

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------------- No heat on Oldsmobile Silhouette? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
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These details will help.
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2005 Buick rendezvous heater blowing cold and temperature gauge not working properly?


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I have 99 grand am gt and it blows out cold air when i have the heat on sometimes, when it does this the temp guage goes fromm 200 to 260 in couple seconds and. Car stalls out i let it sit for 1 min n...


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Heater blowing hot then suddenly blows cold and engine overheats. Intermittent problem. After engine cooled may overheat again with heaters blowing cold then suddenly heater blows hot again and...


I have written a tip on this.
You may have a couple of problems. I would first replace the thermostat, and make sure you have the proper coolant(ant-freeze) level.
Please let me know how it goes and if you need further help I am here.

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