During the hot summer months that are coming up, we’re all excited at the prospect of spending them outside enjoying road trips, drives to the beach or going out and about. Although we shouldn’t neglect to remember to take care of our cars that help us do all of that!

As you know your car’s radiator is in charge of keeping your engine cool and at a safe temperature. Most modern cars use aluminium radiators. These radiators are made by brazing thin aluminium fins to flattened aluminium tubes. The coolant flows from the inlet to the outlet through many tubes mounted in a parallel arrangement. The fins conduct the heat from the tubes and transfer it to the air flowing through the radiator.

Besides your yearly service for your car, you can keep an eye out for the following symptoms to check whether your car’s radiator needs to be changed or not.

Check to see if it is Visibly Leaking Coolant

Coolant is the part of the radiator system and is a major component in keeping your engine at a functioning temperature. When you notice leaking coolant visibly and spilling out onto the ground beneath your car, then it is safe to say that there is a problem with your radiator. Take your car to a qualified mechanic to make sure that they run a test that consists of a pressurized coloured dye. if the dye leaks then it is safe to say that the radiator is faulty.


If your vehicle is overheating on a consistent basis especially if you aren’t driving long distances, this can indicate that there is an issue with your radiator. This means that it can be pointed out early enough to detect and repair.

If you leave it unattended then it could lead to further more irreversible damage.

If you have low coolant levels or coolant sludge this also indicates that there is a problem. As the radiator ages, there is a possibility of rust. This rust turns the coolant from green, yellow or red to dirty brown colour. If the sludge is thick it can harm, your radiator since it will not be able to drain correctly. If it can’t drain correctly it will clog the radiators system. This can also be caused by the mixture of coolant and radiator transmissions. If the sludge goes unrepaired or ignored it could cause your entire radiator to break and get extremely damaged.

If you have low coolant levels in your radiator your car can also risk getting damaged. If your car is still new then you won’t have to change the coolant. However after 60 000 miles, or 90 000kms  you should replace it and then at around 30 000 miles or 45 000kms after that. If your coolant light is on more frequently than usual than you definitely need to check up on your car.

Your radiator is mainly made out of metal even if the radiator cap may be made of plastic. Due to exposure to moisture, the internal parts of your radiator over time the components may rust. You should check your car’s radiator for rust by checking it’s colour. If it is a brownish colour than you may have rust in your coolant system. The rust build-up needs to be flushed out. Use high-quality coolant when refilling your radiator and distilled water to avoid failure of your car’a radiator.

if your car constantly overheats then this is a common symptom of the car’s radiator is damaged. A faulty thermostat is one of the main indicators of a damaged radiator, and works as such: the radiator is a valve which controls the flow of the coolant and the level of which it flows through the radiator.

If the thermostat fails it can send your radiators coolant levels can go haywire.

Some things to look out for concerning your radiator is:

On the off chance that your radiator is hot at the base yet gets chilly further up, air could be caught inside. To dispose of the air and re-establish your car to its previous comfortable greatness, put a radiator key or a little screwdriver into the radiator’s drain valve and contort to open it. Try not to do this when the heating is on or the radiator is as yet hot, however, and hold a cloth to get any water that may spill out when all the air is discharged. At the point when the water begins to develop, close the valve.

Radiator yield is measured in British Thermal Units (BTUs). To work out the BTUs required to warm a room, utilize an online adding machine. Huge amounts of components can influence how cool a room is, from the heading it faces the number of outside rooms. The adding machine will consider the majority of this, and the way that you’ll need a few rooms to be hotter than others – virtuoso!

In the event that you need to supplant radiators or include more without supplanting your evaporator, ensure you check with a specialist that your present heater has an adequate limit. While picking another radiator, go on BTUs as opposed to estimating – incredible radiators never again should be enormous.

The situation of radiators can likewise influence how effective they are at heating a room. They’re generally put under window ornaments – however, take care, not to square warmth with the curtains. To skip more warmth again into the room, fit radiator thwart behind your radiators (in spite of the fact that this doesn’t work with segment radiators since you can see through them).

Old heating frameworks frequently need satisfactory controls, for example, flexible radiator valves, so you can’t turn the radiators up or down – they’re either on or off. You likewise require the correct controls for the evaporator to enhance its execution and proficiency. Progressive controls empower the heater and radiators to impart, giving you a greatly improved focal heating framework.

If you experience any of the above symptoms or just due for a checkup it’s best to get it checked in with a professional to handle the radiator repairs and whatever other radiator issues you have. If you’re looking for a radiator specialist in Durban (Pinetown/ New Germany)  you can get in touch with us at Silverton Radiators Repairs or give us a call for expert advice.

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