Does the Geely Emgrand's fan not turn when the water temperature is not high?
4 Answers
This is a system composed of a temperature sensor and a control component. Since it can detect temperatures of 90 or 95 degrees, it indicates that the sensor is functioning normally. Normal water temperature: The water temperature refers to the temperature of the coolant. After the engine warms up, it typically displays 70-90 degrees as normal. When the water level in the cooling tank is low, the water temperature will rise, and at this point, water needs to be added. If the temperature gauge approaches the 'H' mark or the red danger zone, and in severe cases, the water temperature warning light comes on, it indicates that the engine coolant temperature is too high. Working principle: The sensor of the water temperature gauge is a thermistor-type sensor, fixed with threads on the engine's cooling water passage. The thermistor determines the current flowing through the coil winding of the water temperature gauge, thereby driving the pointer to swing.
I've been driving a Geely Emgrand for several years, and the fan usually doesn't run when the coolant temperature is low—this is normal design. The fan is primarily controlled by the temperature sensor and only activates when the engine coolant reaches a set value (e.g., over 90°C) to assist with cooling. If the temperature isn't high, it's good that the fan stays idle to avoid unnecessary power consumption. However, if the fan genuinely doesn't run, other factors should be considered: for instance, a faulty temperature sensor may misjudge the coolant temperature, causing the fan not to work; or the relay may be aged with poor contact; it could also be a blown fuse or a short circuit. I've seen cases where loose wiring connectors in Emgrands caused issues—I recommend starting with simple checks, like inspecting the fuse box for burn marks or reseating the sensor. If the problem persists, visit a repair shop immediately for diagnosis. Don't push the car too hard, as poor cooling can damage the engine. For routine maintenance, keep the radiator clean and check the electrical system to prevent issues proactively.
As a mom who often takes road trips with kids, I'd say it's quite normal for the Geely Emgrand's fan not to spin when coolant temperature is low. The fan doesn't run continuously - it only activates for cooling during high temperatures. But if the fan genuinely stops working (which I've experienced), possible causes include: faulty electronic control module sending incorrect signals; seized fan motor with rusted bearings; or sometimes voltage fluctuations. Last year when my car's fan malfunctioned, I first verified the dashboard coolant temperature gauge accuracy, checked the battery with a multimeter (no issues found), and ultimately solved it by replacing a small relay. Quick self-check suggestions: After starting the engine, feel the fan area for responsiveness - shut off immediately if you detect unusual odors; avoid spraying water on electrical components during car washes. Safety first - always ensure the cooling system is functioning properly before night-time long-distance drives.
Having played with modified cars for years, I know a lot about sedans like the Emgrand: the fan not spinning when the water temperature isn't high is normal, as the sensor determines its operation. However, abnormal situations can arise from various causes, such as sensor data drift falsely reporting low water temperature values; or a faulty fan drive circuit, often due to a blown fuse; additionally, a broken relay coil or burnt contacts can also cause it to jam. Once during a DIY inspection, I found oxidized wiring connectors causing an open circuit, which was resolved after cleaning. It's advisable to use a diagnostic tool to read fault codes and check the control unit's input and output; prolonged non-operation can easily lead to engine overheating, so address it early to avoid more expensive repairs.
