5 Small Car Problems That Turn Disastrous in No Time

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When driving an old car, there’s always some amount of stress at the back of your mind because you don’t know which mechanical or electrical part would go kaput the next minute and put you in a difficult situation with no help in sight.

If you are driving an old car in 2019, you are probably driving a decade-old model with a plethora of electronic sensors that can give up at the drop of a hat. Besides, some component failures can wreak havoc on your car, leading to expensive repairs.

Here are five car problems you might find trivial at first, but can turn your world upside down – not in a good way.

Bad Fan Switch/Relay

A fan switch or fan relay is a small electronic component that sits inside the fuse box. This component controls the cooling fan, which expels excessive heat from the engine compartment. Now the fan relay turns the fan on as the temperature reaches a certain level. If the fan relay doesn’t kick in, the temperature continues to soar to cause overheating issues. 

The consequences of overheating can cost you a lot of money, and in the case of recurrent overheating, you might need a whole engine replacement. That being said, it’s better to get the fuse box checked by a reliable auto electrician in Wellington to make sure such small problems don’t lead to big disasters.

Radiator Cap

A radiator cap is a small component that holds and releases the pressure inside the radiator tank as per the temperature threshold. A bad radiator cap is usually stuck at either open or closed position, which leads to loss of coolant and overheating issues. Therefore, whenever you get your car serviced, don’t forget to have your radiator cap checked by a professional.

Electric Current in Y our Cooling System

Most cars manufactured after the 90s have their mechanical components intertwined with electrical systems. While there are several advantages of having a vehicle controlled by sensors, there are downsides as well. If electric current is present in your cooling system due to a loose connection or stray ground wiring, it can initiate the process of electrolysis which will eat away at the parts through which the coolant flows. Contact your auto electrician for the diagnosis even if you haven’t sensed a problem yet.


Short-circuit can happen in vehicles as well, and it’s a problem with serious consequences. However, short-circuit can start with something as trivial as making the wrong connections or using an incompatible electronic component in your vehicle. Short-circuits can happen in the heavy wiring of your music system, headlights, horn, etc. Always consult your auto electrician before installing any aftermarket part to understand and mitigate the risk factor. 

Short-circuit can blow up the EPS(electric power steering) unit, headlights, sensors and even the air conditioning unit at best. In the worst case scenario, a short-circuit situation can set your vehicle on fire, quite literally.

Not having sufficient fluids

Some of the essential fluids in a car include engine oil, coolant, brake oil and transmission oil. If your vehicle is running low on engine oil, it’s a disaster in the making. Low engine oil means high friction, more heat and more severe engine damage. Also, low coolant level leads to inefficient engine cooling, which leads to overheating issues.

If you notice any of the above symptoms in your car, consult a mechanic before you find yourself stranded in the middle of nowhere, watching the smoke billowing from under the hood.

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