Clutch Fan
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Joined: Mar 2008
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From: FOLSOM CA
Clutch Fan
After doin a BPD oil cooler and EGR cooler, I've noticed that my cooling fan stays on . Not fully loaded just enough you can noticed it on from inside of cab as you shift threw the gears. When engine off you can spin fan by hand, turn key to on not running its still hand free. Its not turbo whine or acc gear whine , its the fan turning just slower than the engine speed. At these times engine temps are ECT 183 EOT 150 with no load . When loaded with 5th wheel temps runnin at 195/180 with no change in fan noise. When fan is unplugged then driven no fan noise, plug back in noise is back. Also I have rechecked the fan connection , checked oil and water sending units to be sure they are on correctly . I have yet to get it hot enough to have the fan fully load , short of putting a piece of cardboard infront of the radiator. The fan was not removed during the installation just the belt. Have no codes,really no problems just the sound of the fan turning I'm guessing about 20-30 percent,,,ollllo
Thread Starter
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Senior User
Joined: Mar 2008
Posts: 126
Likes: 0
From: FOLSOM CA
Cluth Fan
It is a new detail in its running manner, the only time in the past when the fan made any sound was when water temps were above 230 degrees . It would lock up cool down unlock and u would not hear it for any other reason . Now it is audible at low water temp, low ambien temp, the day before the work was done on oil and egr coolers you could not hear the fan . While I'm not overly concerned about the noise, just trying to figure what I did or not to cause the fan to load alittle faster then it use to be. I have had the Edge A-2 / CTS not sure if I can access any fan speed info with it. Thanks for the return info ,,,,, ollllo
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