Radiator fan switch location. Testing of the switch as part of the fan test procedure.
- Radiator fan switch location. Testing of the switch as part of the fan test procedure. Apr 24, 2024 · The cooling fan switch is often located between the # 6 and #8 spark plugs on the passenger side head of the engine. In conclusion, the cooling fan switch in an automobile is typically located near the radiator, usually behind the grille or front bumper. Mar 21, 2023 · It is typically located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. In some vehicles, there’s only an engine coolant temperature sensor that alerts the powertrain control module to operate the fan. May 9, 2025 · Summary The cooling fan switch is usually on the radiator assembly. The relay controls the power to the cooling fan, and if it fails, the fan will not operate. This is a short video on how to locate, remove and test the radiator cooling fan switch on your vehicle. The coolant should be cold before removing the switch. The switch is essentially a thermostat that senses the temperature of the coolant. Not all engines come with a fan switch. Electric cooling fan thermostatic switch Testing 1. Nov 29, 2024 · The radiator fan switch, also known as the coolant temperature switch, plays a key role in keeping your 1992–2001 2. It can also be located near the main fuse box, or in some cases it may be mounted directly to the radiator itself. How to replace radiator fan switch or replacement of radiator fan switc This is how you can test a radiator or coolant fan switch without removing the sensor from the vehicle. Apr 6, 2025 · The radiator fan switch is used to control the operation of the cooling fans behind the radiator. 2L Toyota Camry's engine cool. This little component is mounted on the bottom tank of the radiator and works alongside the radiator fan relays to control the cooling fans. Disconnect the battery negative lead. This will also show how you can bypass the switch entirely and turn on the cooling fans Mar 29, 2011 · Meaning that the radiator fan will not turn on until the bottom hose from the radiator is hot enough. To access it, you may need to remove components such as the water pump, thermostat housing, or other parts obstructing the switch. Sep 14, 2022 · Switch A is in the thermostat housing. Removal 2. When the engine temperature rises above a certain threshold, the switch activates the cooling fan, drawing in cool air to dissipate heat. Jul 23, 2025 · The coolant fan switch is typically located on the engine compartment, connected to the radiator and engine block. This can lead to overheating and engine damage. The switch is located in the side of the radiator (see illustration). May 23, 2017 · When monitoring your cooling system, take the temperature reading at the point where the coolant is hottest; on most American V8s, this is at or near the thermostat housing. Cooling fan thermostatic switch screwed into side of radiator 3. In this video, I carry out radiator fan switch replacement on the 2003 - 2007 Accord. The temperature sending unit for the gauge on the instrument cluster is located at the pipe going from water pump to cylinder head and thus shows temperature of the coolant circulating in the engine. Switch B is on the right side of the engine, just aft of the front cam cover. You can do this by removing its drain plug. If necessary, firmly apply the handbrake then . When the coolant temperature hits a certain point, it causes the switch to turn the fan on, which in turn reduces the coolant temperature. Drain coolant from the radiator before you remove the switch. jar sczb hfdhv gln zrpzy jstxxa dndcq cossk atejgxo hdnlt