Question about 2003 Toyota Corolla
Find and replace thermostat on 2003 corolla
Follow the lower radiator hose to the engine. Most Toyota's along this year model have the thermostat located in the engine, where the lower radiator hose connects to the engine. Changing the thermostat is pretty straight forward. Refilling is a little trickier. Search the top of the engine and find the bleeder screw for the cooling system. Open this bleeder screw, usually a 10mm, or 12mm socket will fit, and fill the cooling system with the recommended coolant. Pay attention to your mixing ratio as well.
Posted on Nov 10, 2008
The heat gauge is going up close to the red then back down when running around 45 mph on a corolla
Posted on Dec 14, 2009
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Posted on Jan 02, 2017
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