1. Engine running hot. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
Where is the coolant fan relay located? Jump to Latest Follow. 1 - 20 of 20 Posts. H. haugy. Registered. Joined Sep 3, 2008. 4 Posts. Discussion starter · #1 · Apr 11, 2011. I searched, and could not find an answer for this. My 2001 C320 was overheating. After reading here, and doing some diagnostic work, the fuse was a little burnt.
Under the Hood: In many vehicles, the radiator fan relay is located in the engine compartment, near the radiator. It is often housed in a relay box or mounted on the radiator support. Fuse Box: Some vehicles have the radiator fan relay integrated into the fuse box.Step 1: Locate underhood fuse/relay box. Visually identify the underhood fuse/relay box. The box is typically located on either the driver or passenger side of the engine compartment near the fender. Step 2: Remove the fuse/relay box cover. Remove the cover from the top of the underhood fuse/relay box.#1 · Dec 3, 2017. Guys. I have a problem with the radiator fan that started with the thermostat. Thermostat wasn't opening so I changed it. Now works. Radiator fan was not kicking in by 107 degrees, so I changed the sensor. Still wouldn't kick in so I checked the motor by crossing the wires. Nothing.rcPUF.
