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Where is the fan control module located in the old Jetta?

4 Answers
JayceDella
07/28/25 8:37am
The fan control module in the old Jetta is located on the fan itself. Additional information: 1. How the electric fan works: The electric fan operates based on a thermostat. When the coolant temperature rises to the upper limit, the thermostat activates the power supply, causing the fan to start working. Once the temperature drops to the lower limit, the thermostat cuts off the power, and the fan stops. 2. Reasons for electric fan failure: Poor motor lubrication can prevent the fan from rotating, as inadequate lubrication hinders the motor's ability to drive the fan; motor overheating can reduce its load-bearing capacity and effective power output, making it unable to drive the load; a decrease in the starting capacitor's capacity reduces the motor's starting torque, preventing it from driving the load; prolonged motor usage can also lead to failure.
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MacXavier
08/11/25 3:25pm
I'm a veteran driver with my old Sagitar, having driven for almost 15 years. The fan control module is usually located at the rear of the engine bay, near the firewall, specifically on the inner wall of the engine compartment in front of the driver's seat. Last time I encountered a non-working fan issue, I popped the hood and found a small black box to the right or above the battery, connected to the fan's wiring harness. Remember to disconnect the negative battery terminal first when inspecting it, and use a flashlight for better visibility. The module is secured with screws or clips, making removal and installation straightforward, but be careful not to hurt your hands. A faulty fan control module can lead to poor cooling, making the engine prone to overheating, especially during summer traffic jams—keep an eye on the temperature gauge. Regularly cleaning radiator dust is recommended to extend the module's lifespan and avoid trouble. If the fan makes unusual noises or stops, pull over immediately and don't push your luck.
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Xavier
09/28/25 3:21am
I often enjoy DIY car repairs and have fixed many cars myself. The fan control module on the old Sagitar is quite noticeable, located in the middle-right of the engine compartment, near the fan unit and next to the ECU module. When you pop the hood, you'll see a small electronic box connected to the fan wiring harness—that's it. To locate it, just follow the fan wires with your hand until you find the slot. The module itself is small and can be removed with a wrench or screwdriver. Replacing the module yourself can save money, but make sure to buy OEM parts for compatibility. A properly functioning fan control can reduce fuel consumption and engine load, making things more worry-free. When replacing, be gentle with the connector to avoid breaking the pins. In summer, when the fan runs more frequently, check it regularly to prevent unexpected cooling failures. For safety, if you're inexperienced, it's better to ask a friend or mechanic to help test it.
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MacRowan
11/11/25 5:17am
The fan control module of the old Sagitar is located on the firewall at the rear of the engine compartment, specifically near the cabin behind the engine. After opening the hood, look inside near the fan for a black plastic box secured with screws—that's the control module. The location is straightforward; use your phone's flashlight if visibility is poor for easier operation—take your time to find it. If the module fails, the fan won't spin, leading to poor cooling, rapid engine temperature rise, and costly major repairs. Regularly maintain and check if the fan operates smoothly—just listen for unusual sounds and repair promptly if needed. Refer to the owner's manual for illustrated guidance, making it clear even for beginners. Always monitor the dashboard temperature signals while driving to ensure normal operation, preventing neglect that could shorten the car's lifespan—saving money and ensuring peace of mind.
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