2016 Chevrolet Volt Is Overheating

Common Causes of Overheating in Your 2016 Chevrolet Volt and How to Resolve Them Effectively

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
24% chance it's the
Thermostat
0%
41% chance it's the
Coolant leak (water pump, radiator, hose etc.)
0%
32% chance it's the
Radiator Fan
0%
3% chance it's
Something else
The most common reasons a 2016 Chevrolet Volt is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
  • Thermostat: A faulty thermostat can cause the engine to overheat or run too cool by failing to regulate the flow of coolant properly.
  • Coolant leak (water pump, radiator, hose etc.): A coolant leak can occur due to a damaged hose, a failing water pump, or a compromised radiator, leading to loss of coolant and potential engine overheating.
  • Radiator Fan: A faulty radiator fan can lead to engine overheating due to insufficient airflow over the radiator.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take for a 2016 Chevrolet Volt that is overheating?

When faced with an overheating 2016 Chevrolet Volt, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Start by checking the coolant level in both the radiator and the reservoir, as insufficient coolant can lead to overheating. If the coolant level is low, refill it and monitor for any leaks in the cooling system, including hoses, the radiator, and the water pump, as these can significantly impact coolant levels. Next, inspect the radiator fan to ensure it operates correctly; a malfunctioning fan can hinder the cooling process. Additionally, examine the thermostat to confirm it opens and closes as intended, since a stuck thermostat can trap heat in the engine. Don't overlook the water pump, which is crucial for circulating coolant; any signs of damage here should be addressed promptly. Lastly, check the radiator cap to ensure it maintains the necessary pressure in the cooling system, as a faulty cap can also contribute to overheating. By following these steps, you can effectively diagnose and potentially resolve the overheating issue in your Chevrolet Volt.

What are the common problems that could cause a 2016 Chevrolet Volt to overheat?

When dealing with overheating in a 2016 Chevrolet Volt, it's crucial to understand the common problems that may be at play. One of the primary culprits is low coolant levels, which can severely hinder the engine's ability to maintain a safe operating temperature. If the coolant is insufficient, it can lead to rapid overheating, so checking and topping off the coolant should be your first step. Additionally, issues within the cooling system itself, such as a malfunctioning radiator, water pump, or thermostat, can disrupt the flow of coolant and lead to overheating. A clogged radiator is another frequent issue, as it can block coolant circulation, preventing effective heat dissipation. Furthermore, a faulty thermostat may fail to regulate coolant flow properly, causing the engine to overheat. Lastly, if the water pump is not functioning correctly, it can result in inadequate coolant circulation, exacerbating the overheating problem. Addressing these issues promptly is essential to avoid further damage and ensure the optimal performance of your vehicle.

How urgent is it to address the overheating issue in my 2016 Chevrolet Volt?

Addressing the overheating issue in your 2016 Chevrolet Volt is of utmost urgency due to the serious risks it poses to both your vehicle and your safety. Overheating can lead to catastrophic engine damage, which not only incurs expensive repairs but can also compromise the integrity of other vital components. Moreover, an overheating vehicle can break down unexpectedly, leaving you stranded in potentially hazardous situations. Ignoring these symptoms can exacerbate the problem, leading to more severe damage and costly repairs down the line. Therefore, it is essential to take immediate action if you notice any signs of overheating, ensuring both your safety and the longevity of your vehicle.

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2016 Chevrolet Volt Overheating: Causes & Repair Costs