Question about 2000 Oldsmobile Bravada

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My truck never gets warm replaced the thermostat did not help

When its real cold u freeze and the truck never gets warm. also my airconditioning quit. Is there some connection?

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Most likely the thermostat.

Posted on Jan 30, 2009

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Most likely the thermostat broke. I expect that you have an older Hyundai and never had the anti-freeze changed. When the engine is cold the thermostat is closed which causes the engine to warm up more quickly. A warm engine runs more efficiently (less gas) and more smoothly. When the engine temp reaches a certain temp the thermostat opens and then allows the hot engine coolant to run through the lines to the heater core. The heater blows air over the heater core which produces the warm air that warms up the cabin. Thermostats used to be cheap and easy to change. I would suggest a web search for how to replace the thermostat. Something like 'hyundai accent 2002 replace thermostat".

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your description ends. what have you put in...
if you have put stop leak in the car it can clog your heater core.
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sounds like the thermostat is stuck open allowing the radiator fluid to constatly keep flowing and not get a chance to heat up. this is a semi easy fix. with a little bit of mechanical skills you sould be able to do it. here's the way
http://www.autozone.com/addVehicleId,2606301/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c1528009ed80

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