Fan clutch test
Thread Starter
Newbie
Joined: May 2012
Posts: 9
Likes: 0
From: Edisto Beach, SC
Year: 1994
Model: Cherokee
Engine: I6
I did a search on testing the fan. My fan is hard to turn when cold and easy to turn when hot. Info on the forum says that is good. The Haynes manual disagrees and intuitively, that would seem correct. You would want maximum fan when hot.
Can anyone tell me which is correct?
Can anyone tell me which is correct?
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
I did a search on testing the fan. My fan is hard to turn when cold and easy to turn when hot. Info on the forum says that is good. The Haynes manual disagrees and intuitively, that would seem correct. You would want maximum fan when hot.
Can anyone tell me which is correct?
Can anyone tell me which is correct?
Herp Derp Jerp

Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II

+1 sounds like it's bad, just replaced it. If it's original it should be done anyway
CF Veteran
Joined: Apr 2009
Posts: 4,734
Likes: 12
Year: 2015, 2012
Model: Grand Cherokee (WK2)
Engine: 3.6L
Stick a rolled-up newspaper into it when it's all warmed up and running.
If the newspaper stops it, it's bad.
If the fan chews up the newspaper, the clutch is working properly.
If the newspaper stops it, it's bad.
If the fan chews up the newspaper, the clutch is working properly.
CF Veteran
Joined: Nov 2010
Posts: 3,251
Likes: 0
From: Frisco, Tx
Year: 1994
Model: Cherokee
Engine: 4.0
Originally Posted by Firestorm500
Stick a rolled-up newspaper into it when it's all warmed up and running.
If the newspaper stops it, it's bad.
If the fan chews up the newspaper, the clutch is working properly.
If the newspaper stops it, it's bad.
If the fan chews up the newspaper, the clutch is working properly.
It sounds bad just swap it out.
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Junior Member
Joined: May 2008
Posts: 15,016
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From: +34° 25' 35.67", -81° 21' 12.04"
Year: 1993
Engine: 4.0
If you can make it stop by spraying it with water then it's time to replace it.
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