WebSep 8, 2015 · ISX engine temp question. I have a new London Aire with 600hp ISX. Trip from Ft. Myers to home, 600 miles, The highest coolant temp I saw was 183. Most of the time it was 180. Dash air was on. Cooling fan ran on high speed the whole time. Cummins says they 'd rather see temps in the mid 190's, Freightliner says cooling fan will run at … WebSep 16, 2024 · A Decrease In Acceleration, Power & Fuel Potency. A decrease in performance is yet another symptom of a faulty fan clutch. A nasty or failing fan clutch leaves the fan for good engagement, inflicting a loud engine and a decrease in performance. Lot importantly, a stuck fan clutch will cause excessive, unnecessary drag on the engine, …
ECM controlled fan clutch bypass Cummins ISX part 2 - YouTube
WebFeb 1, 2009 · It is an electric solenoid that turns the fan on and off. You can find it by following the air line that comes from the fan clutch hub. In you case, it may be the A/C high or low pressure switch since you are getting an A/C trouble code. There should be a high pressure switch and a low pressuer switch on the A/C lines. WebSep 13, 2015 · The fan defaults to run full bore, you have to supply 12 volts to the fan solenoid in order to slow the fan down. If the fan is running full bore with the engine at 1,000 RPM it should suck a piece of cardboard to … grant thornton appleton
ISX 15 engine fan - iRV2 Forums
WebNov 15, 2024 · Engine fan kicks I have 2010 Peterbilt with a ISX Cummins. Engine fan kicks on at 162 degrees, have hooked up to Cummins Insight and dash gauge … read more Nich1019 Diesel Technician Vocational, Technical or Tra... 92 satisfied customers 2009 peterbilt 386 Cummins isx, low coolant and engine light WebMar 25, 2024 · These will keep the engine fan on, Once those are verified to be working fine you can run a fan override test with the scanner and see if the fan kicks off when commanded. This will tell you if the fan driver in the ecm has failed. Once this fails the ecm will keep the fan on all the time by default. I hope this helps. Thank you WebJul 22, 2024 · The ISX Fan Control feature controls an OEM (Original Equipment Manufacturer) supplied fan that is often installed to meet the needs of vehicle and engine systems that rely on fan cooling for proper operation. grant thornton apply