Good day all i my engine fan is on all the time the solenoid works fine but the fan clutch wont disengage. is there any other ways to test the fan clutch to see if its bad?
clutch fan problems
Discussion in 'Freightliner Forum' started by truckerbangin, Feb 4, 2015.
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Do you hear air coming out of the hub with the key on? If so, the seal inside is busted. You can get a rebuild kit for about $100. I tried to do mine but couldn't get it apart, ended up buying a new one for $750.
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did you check to see if you have a manual switch for the fan. it may be on or stuck on. if that's not it do what semi retired said. the clutch should spin freely with the engine off. if not the bearing could be froze.
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I wonder what the definition of solenoid works fine is? I also wonder what year everyone's trucks are answering and asking questions? Assuming his is the same as ours could be incorrect. Manufactures change standard equipment suppliers occasionally and companies can order nonstandard equipment. What brand is the fan clutch, Hayden, Horton, Kysor, Rockford, other? It sounds like this clutch is controlled by air and the air by electric solenoids. Some air controlled clutches use air to disengage them and others are air engaged. Regardless of all of that the fan clutch should engage or disengage with air application, of course engine off, shop air or truck air. Then you know if you have a clutch or a control system problem.
tommygun58 and Rideandrepair Thank this. -
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Where did you get Volvo and D12 from any of the conversations above?
I'd like to add for the OP.
I had a similar problem with mine. I have a C15 in my Columbia. My fan was staying on all the time as well. How ever,.. when I turned on the A/C,.. the fan magically returned to normal,.. only turning on when it was supposed to. Turn the A/C off and the fan would come on soon after and stay stuck on. Turned out to be the A/C high pressure switch. Replaced and the fan now works as it should.
Hurst -
You need special tools to press seals.
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