Symptoms of a Cooling Fan Module Failure. A problem in the cooling fan module will not go undetected in your Volvo because of the important role that it plays. Some of the symptoms that you will notice immediately when this problem occurs include: An overheating engine. When the cooling fan module fails completely, the cooling fans will not If the fan runs, you probably have problems with the relay or the temperature sensor. The temp sensor is just below the thermostat in the lower thermostat housing near the power steering pump. The attached diagram show you the wiring for our Volvo> Hope this helps, good luck. Your volvo fan relay is a two stage (speed) relay. It constantly has a 12v feed. As soon the ECU provides low or high speed ground signal to it, it will energize the fan accordingly. Have you started noticing that your air conditioner isn't running quite as cool as it once did? There's a chance that this is related to a defective volvo fan relay. If the fan does work when the engine is hot but does not when A/C is switched on, then could be either low refrigerant charge, bad pressure sensor, or bad compressor/clutch. I'm not sure what you are referring to as the 5 A ECU fuse, but it can't be the fan power source as this is far too low to support the fan. Volvo XC70 Radiator Fan Not Working? RepairPal will help you figure out whether it's your Fan Assembly, Fan Clutch, Coolant Temperature Sensor, or something else. 0:00 / 14:37 VOLVO "HOT HATCH" RADIATOR FAN FIX | Volvo C30 T5 [Finale] FLIP MY RIDE 3.19K subscribers Subscribe 2.6K views 2 years ago In this episode the Volvo C30 T5 R-Design gets sold .

volvo cooling fan not working