Temperature warning lights8/11/2023 ![]() The next time you engine is running hot, check to ensure the radiator fan is operating.Įngine oil not only lubricates the internal components, but helps to remove heat – particularity engine that operate oil coolers. The radiator / cooling fan is temperature activated and does not run continuously. When the vehicle is moving at a slow speed or stationary, the radiator fan produces this airflow. When your car is moving at speed, air flows through the radiator which keeps the coolant cool. If the water pump id driven by a belt, check that the drive belt or serpentine belt is in place and not worn, too lose or damaged. Failing bearings may make a whining or grinding noise. Symptoms of a failing water pump include overheating engine, coolant leaks. As water pumps age, seals may rupture and bearings become worn resulting in an ineffective cooling system. The water pump circulates coolant around the engine keeping it cool. In this instance, you’ll need to bleed the cooling system. Trapped air pockets prevent heat from being carried away from the engine. Degraded antifreeze might not be as free-slowing within the cooling system and will lose temperature and corrosion protection.Īnother reason for an overheating engine is trapped air in the cooling system. ![]() If it is, you’ll need to flush the coolant system and replace it with new antifreeze. ![]() Check also that the consistency is water-like and not thick or sludge-like. The colour of antifreeze varies, but the fluid should not be cloudy or murky. It not only prevents freezing, but also raises the boiling temperature of the fluid. Antifreeze is an essential component to a vehicle’s engine. Check the engine coolant reservoir tank and ensure that the level is above the minimum marker.Ĭheck in your coolant reservoir at the quality of coolant. Due to the risk of burns and scolding, always allow the engine sufficient time to cool before making any maintenance checks.Ī lack of engine coolant is going to increase engine temperature and cause the oil temperature warning light to come on. You’ll need to investigate the causes of why the oil temperature warning light has come on. Why is the Oil Temperature Warning Light On? Oil Temperature Warning Light ![]() How susceptible the oil is to thermal breakdown depends on its quality (how refined it is) and age. This will affect the oil viscosity, causing rapid degradation, which in turn reduces the lubrication properties of the engine’s internal components. Brush up with this guide to the most important and common you may encounter, or use your vehicle’s handbook to shed light on the matter.Continued driving may result in your engine oil temperature reaching a critical level causing thermal breakdown of the oil. So, don’t be in the dark about engine warning lights. Displayed on the dashboard’s instrument panel are green lights to let you know a system is in use, orange warning lights that provide an advisory signal and red warning lights to alert drivers to a fault with part of their vehicle which requires further investigation. That’s why it’s important that drivers familiarise themselves with the warning lights in their car. If any of an engine’s precision parts develop a problem, again, a warning light will let you know. Should a brake light not be working, a warning light will let you know. If your windscreen washer fluid is close to running out, a warning light will let you know. They’re in place to help keep drivers safe. To know when such a system is in operation, a warning light is displayed on the dashboard. Modern cruise control systems not only help you maintain a set speed on main roads, but also adapt that speed to slow your car when a slower vehicle pulls in front or increase it again when the road ahead is clear. Modern cars are crammed with sophisticated technology that many drivers take for granted.įrom the moment you switch on the car’s ignition, all manner of mechanical and electronic components are at work out of sight.
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