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Here’s what to do when your car overheats this summer …
November 29, 2017

With high temperatures expected this summer, it’s inevitable that many of us will have to deal with a car overheating. Director of the Motor Industry Workshop Association (MIWA), Pieter Niemand, says: “While it is rare for modern vehicles to overheat in hot weather, the two most common reasons for overheating are low coolant levels in the radiator or a leak in the cooling system.”

Check your coolant level
He adds that it’s important to check the coolant level. “If you aren’t sure where to look for the reservoir, check your owner’s manual. If the level is normal, you might just have a malfunctioning temperature gauge. However, if it’s low or empty there’s probably a coolant leak. In that case, I’d strongly suggest you call roadside assistance,” he explains

“If you have to keep driving, wait for the engine to cool and then, protecting your hand with a glove or a rag, twist off the radiator cap. Refill both the radiator and the reservoir, using coolant or if necessary, water. This should bring the temperature down once you’re underway, but stay vigilant as you most probably have a serious leak somewhere,” he points out.

If the temperature starts rising again, pull over and repeat the process. But this is by no means a long-term solution. Ideally, you should have it fixed as soon as possible from an accredited professional.

When are cars prone to overheating?
To prevent overheating, Niemand advises regularly checking that your car has fresh coolant in its radiator, not just water, and also have the radiator checked for corrosion. However, he cautions that even a well-tuned car may start to sizzle in hot conditions, particularly in stop-and-go traffic or when climbing a steep incline.

The first sign that your car is overheating will be your dashboard temperature indicator starting to rise or a malfunction indicator coming on.

“The first thing you need to do is shut off the air conditioner and open the windows. This will help lessen the load on the engine and help it cool off. Although it sounds odd, it will also help to turn on the heater as this draws excess heat from the engine,” Niemand says.

If you’re in heavy traffic when this happens, shift into Neutral or Park and rev the engine just a little. This will make the water pump and fan speed up, drawing more liquid and air through the radiator. The increased air and liquid circulation helps cool the engine off.

Niemand says brake drag also increases the load on the engine making it heat up. “If you are in traffic, rather crawl along slowly on little more than idle, than move up and brake repeatedly. Or move up only when the gap between you and the vehicle in front of you gets too large,” he adds.

Where there is steam, you have overheated!
The most serious indication that your car has already overheated is when the needle hits the red zone or you see steam coming from the engine. If this is the case, immediately find a safe place to stop, pull over and turn off the engine. “Just pulling over but still idling the engine is not enough. Engines have to work harder to keep cool at idle than at cruising speed, so turn it off as soon as you can,” he says.

Ideally you should then open the hood and wait for at least half an hour for the engine to cool off.

As always, the best preventative measure is regular car maintenance. “Make sure you get a thorough car check done ahead of the festive season rush, especially if you are planning to do a long drive. Let’s do all we can to avoid any car mishaps and keep safe on our roads this season,” he says.

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2 Comments


Albert Ball
December 2, 2017 at 11:02 am
Reply

A vehicle owner may love the warmness of summer, but he needs to keep his speed machine cool when the atmospheric temperature rises. If the vehicle’s engine runs too hot, then it can definitely damage its neighborhood components and make threats to the overall safety. Low coolant, wrong coolant, coolant blockage, a sloppy radiator fan, faulty radiator, broken belt, broken water pump, the defective thermostat, are some of the intrinsic causes of the vehicle overheating. As per my standpoint, by parking the vehicle in the shade, tinting the windows, using a sunshade, turning on the floor vent, maintaining the desired coolant level, and keeping eye on the temperature gauge, you can prevent your automobile from overheating.



Mia Ford
November 10, 2018 at 12:51 pm
Reply

The engine overheats due to the failure of the cooling system of the vehicle which needs regular maintenance like other components of the vehicle to work efficiently. The extreme atmospheric temperature which combines with the temperature generated by the engine due to the internal combustion is solely responsible for the engine overheating. So, regular maintenance of the cooling system is really essential to keep it in working order which is really necessary to prevent the engine failure. To know more, you may like to visit https://techplusautomotive.com/keeping-your-engine-cool-in-scottsdale-arizona/



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