This isn’t likely to fix the problem but can be a temporary solution if you only have to drive a short distance.

Some vehicles may have a warning light that comes on when the engine begins to overheat. This is especially important if you notice steam pouring out from under the hood! Continuing to drive under these conditions could create additional mechanical problems.

Your coolant may be orange/red or green, depending on the type. If you hear bubbling coming from under the hood, it means your cooling system is over pressurized and your engine is overheating.

Only add coolant once your vehicle has cooled down. [9] X Expert Source Duston MaynesAutomotive Repair Specialist Expert Interview. 10 June 2021. If the reservoir is low, add coolant to your reservoir to the fill line. [10] X Expert Source Ed BeeryAutomotive Specialist Expert Interview. 19 November 2021. Replace the reservoir cap when you’re done. You can use distilled water rather than coolant in a pinch. However, avoid using cold water as it could create additional problems, including cracking your engine block. Use warm water only. If you have a European car or any vehicle with a closed cooling system, follow the manufacturer’s instructions exactly when adding coolant to prevent overfilling and to prevent air bubbles from entering the system. [11] X Expert Source Duston MaynesAutomotive Repair Specialist Expert Interview. 10 June 2021.

Schedule an appointment with a mechanic and describe any issues you’re having as well as any steps you’ve taken to address those issues.

Additionally, if the fins on your radiator are bent, it may prevent your vehicle from cooling itself properly.

If you continue driving the vehicle while the thermostat remains in the closed position, it can cause major engine damage, leading to more expensive repairs.

A non-operational heater is another sign of a bad heater core. Additionally, check for coolant on the floor of the passenger side of the vehicle to see if the heater core might be the culprit.

You may hear a rumbling noise while your vehicle is running if the pump is dry. Try adding coolant to the max fill line to see if that resolves the issue. Dirty coolant and corrosion can cause a water pump to fail, in which case you’d need to replace the pump.

Always let your vehicle cool down before checking or adding coolant. [22] X Expert Source Duston MaynesAutomotive Repair Specialist Expert Interview. 10 June 2021.

Make sure your mechanic checks the pH level of your coolant as well.