![]() ![]() Leak in the Cooling System:Ī leak in a water pump, pipe, or radiator can cause coolant levels to decline and turn on the flashing coolant light. The primary causes might be a bad relay or bad wiring. The coolant light may flash as a result of electrical problems with the cooling system. As a result, the cooling is insufficient, and the coolant light flashes. The correct flow of coolant might be hampered by a radiator that is clogged or obstructed by debris or sediment. This may prevent the cooling system from operating properly. Engine Control Unit (ECU) Fault:Īn issue with the engine control unit may result in a flashing coolant light. Using the wrong coolant or mixing different types of coolant can cause chemical reactions that degrade cooling effectiveness. Overheating and a flashing coolant light result from this. Coolant flow may be impeded if the water pump malfunctions. ![]() The engine’s coolant is pumped around by the water pump. A broken fan or an airflow obstruction can both lead to overheating. The coolant light may flash if the engine temperature increases sufficiently. Regular coolant level checks and maintenance are crucial. Leaks or evaporation can cause low coolant level, which can cause the coolant indicator to flash. The following are some of the main reasons why a coolant light is flashing: Low Coolant Level: Top Potential Reasons for Coolant Light FlashingĪn underlying problem with the cooling system is indicated by a flashing coolant indicator on a car. Ignoring a coolant light might cause harm to the engine or a breakdown. It implies that there may be an overheating problem or a problem with the cooling system. However, various car models might have distinct coolant light designs.Ī flashing coolant light denotes an urgent issue. The motorist is mostly warned visually by the device. To control the temperature of the engine, this combination is pumped through the radiator and engine.Īn issue with the cooling system may exist when the coolant light on the dashboard lights. It circulates coolant – a solution of antifreeze and water. The cooling system operates the engine’s temperature. What Is the Purpose of a Coolant System and Coolant Light? The coolant light flashing causes will be thoroughly examined in this article, giving you important information on how to solve the problem of the car. The light suggests that there could be a problem with the cooling system in your automobile.Ī flashing coolant light may be caused by: The resistors (one for low speed fan cooling and the other for DRL's) are on a shelf behind the the driver's headlight, accessible thru the front wheel when the splash shield is removed.A flashing coolant light is an alarming sign for cars. At least one fan should be running and if it isn't, either the fan is worn out or a resistor is blown, preventing the fan from moving air. A/c always demands fan cooling since the condenser coil and radiator are two hot elements needing airflow, especially in low speed local traffic where airflow is lowest and chances of overheating is great. I would startup and idle with a cold engine (cooling fan shouldn't be needed), then turn on a/c and check for cooling fan operation. I can state this because of comparing the various Saturn models and how cooling fans are used in single or dual configurations with series, parallel, and resistors used to control the various speeds (L, M, H). If I m not mistaken, 3.5L V6 engines use two cooling fans and configured to run in series or parallel depending on the whims of electrical engineers devising methods to run cooling fans. Pressure relief or a vent for the xmission case? I'm inclined to believe its a vent line.Īs to the coolant light flashing with coolant not lost and at 174k miles, i would check for a blown fan resistor or worn out cooling fan. I am scheduled to visit A Plus transmission tomorrow morning but i'd like to see if anyone may have had the same experience. One more note, my engine light came on about an hour before everything happened. This hose looks like it goes to the transmission.Īfter a few minutes and 5 mins from the house the truck ran fine without the AC, the warning light off and gauge back to normal. Plus it looked like a spot of oil on the hood above the fuse box and in that immediate area was wet with oil. I noticed a rubber hose pointing up next to the fuse box and light smoke was coming out it. I opened the hood expecting steam but the engine was fine and the coolant level was at normal. But the flashing coolant warning kept flashing. Note: the temp gauge receded immediately after i turned the AC off. I immediately turned off my AC and pulled into a gas station. Then the coolant warning light began to flash and my temp gauge rose to red. 3 days ago driving in Houston all day, I was on my way home when suddenly the car felt like it lost gas. ![]()
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