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hydraulic fan

  1. WANTED WJ Hydraulic Radiator fan

    Grand Cherokee - Wanted
    Looking for a 2004 4.7 WJ Hydraulic Radiator cooling fan unit that still has good bearings and in balance.
  2. CFM rating of the Hydraulic fan on 2004 WJ Overland.

    New Member Introductions
    Just trying to find out the peak CFM rating of the factory hydraulic fan. Considering doing a supplemental pusher fan and don't want to go too small. Hydraulic fan seems nearly intermittant on running on high as I suspect it should at times. Sure wish I could manually force it to run full...
  3. Modification of hydraulic fan solenoid 2004 WJ 4.7 HO Overland.

    New Member Introductions
    Hey guys, Trying to see if the hydraulid fan solenoid is normally extended or retracted in hot/cold conditions. Just like several posts I have seen, the WJ keeps cool as long as moving. If idling for an extended period of time it begins to warm up. Hydr Rad Fan is only turning maybe...
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