While the official start to summer is still about a week away, those of us in Texas are definitely already feeling the heat. Having a vehicle A/C that works properly is absolutely a must with this 100+ degree weather. That’s why it’s vital to ensure that your radiator has recently been flushed and that your coolant has been changed. Not sure how to do the flushing or change? Your friends at Leif Johnson Ford are here to give you simple and step-by-step instructions! Open the radiator fill cap. This can usually be found on the top of the radiator. If your vehicle has a plastic tank or reservoir for coolant, go ahead and open that too. Now it’s time to check your vehicle’s owner manual. First, look for the location of the radiator petcock. (Petcock = Small valve) Position the petcock underneath this area to capture the antifreeze. Open the drain and let all coolant drain into this container until it ceases to flow. Proceed to close the petcock/drain. Now it’s time to pour your …