WebFeb 24, 2012 · Wayneman. As has been stated above, your fan will be very noisey whenever the fan clutch is engaged - and it can certianly have an adverse effect on fuel economy if it stays engaged for any length of time. On my 2005 Canyon 3.5 engine, the fan clutch seems to stay engaged after cold start-up and goes quiet after a the first block or … Web2. Fan Clutch is operated by the ECM. The fan should have an electric harness that goes to the solenoid. On the harness is 2 wires an A & B - A is 12volt B is ground. Remove the connector at fan and see if fan continues to run. If it does then fan clutch is stuck. If it stops running the check to see if you have 12 volts at A and a good ground at B
Engine Fan Clutch Won
WebMar 7, 2024 · When truck starts fan clutch is engaged and does not disengage at all after that. All sensors that can turn on the clutch all working within range. Dealer has no idea what the issue is. ... It’s located in fuse panel on mine. Symptom is fan stays on Rideandrepair, Dec 27, 2024. Rideandrepair, Dec 27, 2024 #3 + Quote Reply. Dec 28, … WebJan 19, 2016 · 1) the command signal is pulled low engaging the fluidic clutch, or 2) the speed signal is pulled low - or disconnected- making the PCM think that the fan is … programs in university of phoenix
Fan clutch staying locked The Diesel Stop
WebAug 5, 2016 · 356 Posts. #2 · Aug 3, 2016. Correct the fan on/off is controlled by the ecu, if the hardware (the fan clutch) is good, you must go to the software (the ecu flash) to fix it. I might want to contact the company that wrote your ecu software and ask if they intended the fan to stay on all the time, if not, maybe they have a software update to ... WebJan 15, 2011 · Ok, so you had a cracked radiator... what usually causes this is the thermostat is bad and the engine runs just a little hotter then it should and over time the increased pressure breaks the radiator. This will also cause the fan clutch to lock and do as you have described. This is a very common issue with your truck. WebJul 27, 2024 · 42 Posts. Discussion Starter · #1 · Apr 27, 2024. I had an a/c problem that I just sorted out, ended up being a broken wire in the engine harness going to the high pressure switch. The fan started intermittently engaging even when engine was cold, but not its always on. I did swap out the clutch for a new one while i was working on the a/c ... kyocera charger and usb cable