2022 Chevrolet Bolt EV Has A Coolant Leak

Diagnosing Coolant Leak Issues in Your 2022 Chevrolet Bolt EV and Recommended Repair Solutions

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
50% chance it's the
Loose Hose Connections
0%
25% chance it's the
Radiator
0%
25% chance it's the
Water Pump
The most common reasons a 2022 Chevrolet Bolt EV has a coolant leak are loose hose connections, a broken radiator, or a failed water pump.
  • Loose Hose Connections: A loose hose connection can lead to vacuum leaks or fluid loss, resulting in poor engine performance or overheating.
  • Radiator: A damaged or clogged radiator can impede coolant flow, resulting in engine overheating and reduced cooling efficiency.
  • Water Pump: A failing water pump can lead to coolant leaks or overheating due to inadequate circulation of coolant in the engine.
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.

How much does it cost to fix a 2022 Chevrolet Bolt EV has a coolant leak?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A failing heater core may cause the car's interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotter until the vehicle is repaired.

The worst-case scenario is the engine overheating, which can cause extensive engine damage.

If the heater core is clogged, the air that blows when the heater is turned on will not be very hot.

A failing radiator can cause the engine to run hot or overheat. Most radiators are made of metal and plastic. The plastic parts can become brittle and crack over time, causing a leak of coolant (typically green or pink in color). All manufacturers have a recommended service interval for coolant renewal. As the coolant ages, the additives breakdown and being to form solid deposits. These deposits will build up in the passages of the cooling system and will eventually clog components, including the radiator. A leaking or clogged radiator must be replaced. Some automatic transmission cars will also have a transmission cooler integrated into the radiator. Lines going to and from the transmission circulate transmission fluid to help cool the transmission in heavy duty applications such as towing or off-roading. If this integrated cooler fails, it can allow transmission fluid and coolant to mix. This will causing shifting issues in addition to overheating.

A coolant leak may be noted from the hoses. Coolant hoses can be damaged by oil leaks, or age. This will lead to swelling or cracking, it is suggested to replace the hoses before they begin leaking to avoid potential overheating.

The two most common signs of a bad pump are leaks and noises.

Leaking water pumps can result in damage to the drive and timing belts, and cause the engine to overheat. A failed water pump can be caused by other problems in the cooling system, such as a bad thermostat, radiator or head gasket.

What are the steps to diagnose a coolant leak in a 2022 Chevrolet Bolt EV?

To effectively diagnose a coolant leak in your 2022 Chevrolet Bolt EV, start with a thorough visual inspection of the vehicle's undercarriage and engine bay. Look for any visible signs of coolant pooling or staining around critical components such as the radiator, hoses, and water pump. Next, check the coolant levels in both the reservoir and radiator; a noticeable drop can be a clear indicator of a leak. If these initial checks do not reveal the source, consider performing a pressure test on the cooling system. This involves pressurizing the system and monitoring for any pressure drops, which can pinpoint the location of a leak. Additionally, inspect all hoses and connections for wear or damage, as these are common culprits. Pay special attention to the radiator and water pump, as leaks often originate from these areas. Finally, after parking the vehicle, look for any coolant stains or puddles underneath, which can help you trace the leak's origin. By following this systematic approach, you can efficiently identify and address any coolant leaks in your vehicle.

What are the common causes of a coolant leak in a 2022 Chevrolet Bolt EV?

When dealing with coolant leaks in a 2022 Chevrolet Bolt EV, it's essential to understand the common culprits that may be at play. One of the primary issues is damaged hoses, which can develop cracks or wear over time, leading to leaks in the cooling system. Additionally, a faulty radiator can be a significant source of coolant loss, especially if it has corroded or sustained damage. Another potential problem is a leaking water pump, which is crucial for circulating coolant throughout the engine; any failure here can result in noticeable leaks. It's also worth checking the radiator cap, as a loose or damaged cap can allow coolant to escape from the system. In more severe cases, a cracked engine block may be the culprit, although this is less common. Lastly, don't overlook the coolant reservoir, as leaks in this component can also contribute to coolant loss. Addressing these issues promptly is vital to prevent overheating and further engine damage, making regular inspections and maintenance key to keeping your Bolt EV in optimal condition.

How urgent is it to repair the coolant leak in a 2022 Chevrolet Bolt EV to prevent potential engine damage and safety risks?

Addressing a coolant leak in your 2022 Chevrolet Bolt EV is not just a matter of routine maintenance; it is an urgent necessity that can significantly impact both the vehicle's performance and your safety. Coolant plays a vital role in regulating engine temperature, and any leak can lead to overheating, which poses a serious risk of engine damage. Ignoring this issue can result in costly repairs, including the possibility of a complete engine replacement, which can strain your finances. Moreover, a severe coolant leak can create immediate safety hazards, such as engine failure while driving, which could lead to dangerous situations on the road. The risk of overheating can escalate quickly, potentially resulting in a fire hazard. Therefore, it is imperative to address any signs of a coolant leak promptly to safeguard your vehicle's integrity and ensure the safety of everyone on board. Taking swift action not only protects your investment but also enhances your peace of mind while driving.

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