Huntington Beach Auto Repair

Common Reasons for Overheating Issues in Vehicles

The summer season affects the condition of vehicles particularly related to its engine. In fact, overheating is an issue reported in most vehicles in summer, and it can be an important warning sign of other major issues in various systems of the vehicle.

Overheating is particularly a serious issue to look into at the earliest, as leaving it unattended can permanently damage the engine. The heat produced in the engine is regulated within a normal range of temperature via the cooling systems. Normally, overheating occurs due to any malfunction in the cooling system, although many other factors are also responsible for the engine overheating. Below are some of the common reasons for overheating issues in vehicles.


A malfunctioning cooling system is a key reason attributed to the overheating of the engine. The most commonly occurring malfunction is the presence of leakages in the cooling system. However, the leaks can occur in any of the crucial distributing components of the system such as the radiator, hoses, water pump, or head gasket.

Resolving these leaking issues involves identifying where the leakages are present. This is why relying on a qualified mechanic is recommended if any leakages found in the cooling system.

Improper Coolant

Sometimes, the overheating issues in an engine are also attributed to the use of improper coolant. The manufacturers recommend using a specific grade of coolant especially made for a particular vehicle. Violating this and using a grade of coolant that is not specified for a vehicle can cause the cooling to become ineffective, thereby contributing to the rising temperatures of the engine.

If you are facing overheating issues due to improper coolant, you will need to drain out the coolant fully and refill it with a coolant that is specified in the operating manual of the vehicle.

Radiator Issues

Issues such as blocks and leaks are another cause of overheating in engines. The radiator being a crucial component of the cooling system is responsible for circulating and cooling the coolant or the water used in the engine. The accumulation of any small material can clog the narrow circulating tubes of the radiator. Besides that, a loose or malfunctioning fan can also cause the radiator to become ineffective in cooling.

Blocked Hoses

Hoses are the other major components that carry the coolant or water into and out of the engine unit. Leaks or blocks in the hoses disturb the smooth flow of the cooling substances, which can lead to a decrease in the coolant being circulated in the engine. This can cause the engine temperature to increase rapidly than normal levels and lead to overheating.

Take your car to an expert auto repair shop is the best way to minimize the risks of overheating. So make sure to ask your auto repair shop mechanic for a full-round check up before you hit the road this summer.


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