Checking the fan clutch
Senior Member
Joined: Jul 2012
Posts: 860
Likes: 0
From: middleburg fl
Year: 1998
Model: Cherokee
Engine: 4.0
Forgot to mention - also lost the fan shroud, years ago. No big deal.
I know what you are saying about old parts vs. new. My clutch is the original, with 157K city miles over 17 years. I've been told that a replacement might not last but one quarter that time.
When I was wrenching on Kawasaki motorcycles years ago, the service manual said, like you, "If motor runs, why tune?"
I know what you are saying about old parts vs. new. My clutch is the original, with 157K city miles over 17 years. I've been told that a replacement might not last but one quarter that time.
When I was wrenching on Kawasaki motorcycles years ago, the service manual said, like you, "If motor runs, why tune?"
Herp Derp Jerp
Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Fan clutch on these things seem to last about a decade or so. It should spin with little resistance when cold, and be extremely difficult to move when hot. When properly heated the fan itself should make a roaring noise on account of all the air it's moving.
Without the shroud the fan isn't pulling anywhere near as much air as it should through the rad. Hit up the JY for another one
Without the shroud the fan isn't pulling anywhere near as much air as it should through the rad. Hit up the JY for another one
CF Veteran
Joined: Apr 2012
Posts: 5,302
Likes: 23
From: Wisconsin
Model: Cherokee
Fan clutch on these things seem to last about a decade or so. It should spin with little resistance when cold, and be extremely difficult to move when hot. When properly heated the fan itself should make a roaring noise on account of all the air it's moving.
Without the shroud the fan isn't pulling anywhere near as much air as it should through the rad. Hit up the JY for another one
Without the shroud the fan isn't pulling anywhere near as much air as it should through the rad. Hit up the JY for another onehttp://www.partsgeek.com/gbproducts/...FfE-MgodXU4Aww
CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Dorman carries bypass tube....http://www.dormanproducts.com/gsearc...=1&q=5300+7978
Last edited by freegdr; Aug 26, 2013 at 04:58 AM.
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Fan clutches slowly degrade in performance over time/miles....+/-$35 buys a new one at virtually any auto parts store.
We couldn't find the metal tube locally....had to be ordered. A brass 3/8" MNPT X 5/8" hose barb nipple from just about any hardware store works perfect. The 5/8" heater hose needs to be a little longer.
We couldn't find the metal tube locally....had to be ordered. A brass 3/8" MNPT X 5/8" hose barb nipple from just about any hardware store works perfect. The 5/8" heater hose needs to be a little longer.
Member
Joined: Feb 2013
Posts: 194
Likes: 0
From: Dallas, TX
Year: 2000, 1994
Model: Cherokee
Engine: 4.0L Straight 6
A brief question, related to your shroud issue: my 2000 XJ is missing the shroud on the LEFT fan (when facing the engine, from the front of the car). I'm guessing the two shrouds are different? If so, how do I differentiate them when looking for a replacement part?
Junior Member
Joined: Jun 2013
Posts: 71
Likes: 0
From: Lancaster, OH
Year: 2001
Model: Cherokee
Engine: 4.0
They are refferring to mechanical fan shroud and is the one available separately. The driver's side has the electric fan and is fan with shroud as one assembly.
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