What is the coolant capacity for the 2003 Corolla?

The 2003 Toyota Corolla uses Zerex Red 50/50 antifreeze engine coolant. It has a capacity of about 2 gallons. Coolant is used to transfer heat which can assist in preventing engine damage caused by freezing or boiling. Coolant can also protect various metal and non-metallic parts in the engine and the cooling circuit. The cost of getting the coolant changed on Your Corolla is between $110 and $130. You should get a coolant change every 30,000 miles. If You notice that the temperature gauge is always high or that the engine is frequently overheating, then these are signs that Your vehicle needs a coolant flush and it's best to have it done before it will lead to more serious and costly problems.