![]() ![]() The estimated labor costs range from $53 and $67, whereas the parts are priced between $245 and $268. Replacing the engine coolant temperature sensor will cost between $298 and $335. If it stops, then the sensors are faulty and need replacement. Unplug the sensors and check if the fan will stop. Often, the problem lies in the temperature sensors. The estimated labor costs for the job fall within the range of $26 to $33, whereas the cost of parts is fixed at $18. Fan relay replacement costs average to around $44 and $51. If the problem does not continue, you should replace the fan relay. The way to determine if the fault is from the fan relay is by replacing it, running it, and determining if the problem persists. Here are some solutions to why the Chevy Cobalt fan won’t turn off even when the engine is powered off: 1. Solving your Chevy fan’s problem is easy because the likely causes are few. How To Fix Your Chevy Cobalt Fan That Stays On Bad ThermostatĪnother component in the cooling system that can cause your radiator fan to continue spinning even when the engine is off is a bad thermostat. The high-pressure switch is usually located under the air box. Faulty High-Pressure SwitchĪlways check your high-pressure switch even if it looks brand new. Technically, a little coolant will dissipate little heat, and the temperature sensor will signal the ECU to turn on the fan and cool the engine. The lower the coolant level, the less effective it’ll be. The car coolant is the liquid that removes heat from the radiator. A defective ECU will result in the fan not knowing when to stop running. ![]() Your Chevy’s engine control unit signals the fan when to turn off or keep running. If the temperature sensors are bad, they send the wrong result to the ECU, and what is the result? Your vehicle’s fan will keep running even if the engine is completely shut down. They are responsible for giving off the feedback your vehicle fan needs. The sensor monitors the temperature produced by the thermostat and/or the coolant. This is described as a relay short, and the consequence is a power trip. It controls the entire action of your Chevrolet fan hence, a fault in it will result in it running even with the engine off. Your fan motor relay acts as a switch that turns off or on the cooling operation according to the engine temperature limit. Oh and last thing.THE FLOOR MATS IT COMES WITH ARE ABSOLUTELY TERRIBLE.Here’s why your Chevy Cobalt fan stays on continuously: 1. If you want a sedan, go with Honda or Toyota. I wanted to stick with chevy when I got my new car but they are way behind when it comes to sedans. If you can get one for under 3k and it is in good condition with less than 120k miles on it then buy it. Literally the only difference in the head unit is they added an aux cord and took out the cassette player. The electronics of that car were stuck in 1997. The interior is the most boring and cheaply made interior for that year of an average sedan. The engine is great and has enough power to make it fun to drive. Before I go on even further about all the little things chevy failed on with this vehicle ill just wrap it up. Motor mount was fine and a tune up had been done according to maintenance schedule. ![]() At 120,000 miles the car would vibrate when stopped. ![]() My clock also constantly needed to be adjusted after just a few years of owning it. Would randomly have insane power draws which would make headlights dim, dash lights dim, and fans to slow down.i had no extra accessories connected to the battery. Had to replace headlights because the water proof seal failed. Front speakers constantly needed to be replaced. The aluminum foil wrap on the door handles started to peel, causing a very sharp edge which will cut your finger. The stupid trim on the side started to turn brown. The power windows started seriously struggling and the right rear power window worked here and there (hardly ever used it). Then the lights for the shifter would only work if I hit the shifter. The button on the shifter knob broke off one day and i constantly had to put it back on. So many small things started falling apart. The engine never gave me any issues and I kept up with all regular and scheduled maintenance. ![]()
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