'04 Overland 4.7 v8 - Overheat - hydraulic fan? - Page 2 - Jeep Garage - Jeep Forum

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  #13  
Old 09-30-2015, 04:36 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Someone on another forum just went through a similar situation. His turned out to be the AC condenser being blocked with dirt/bugs/etc... and that was blocking air to the radiator. Cleaned his condenser and problem solved.

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  #14  
Old 12-08-2015, 09:05 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

I have a '01' WG Grand Cherokee 4.7 with the Hydrolic Fan solenoid

Im having the worst time trying to find the part i need the stealorship here wants $615 for the solenoid but surely there is a cheaper option

all links i find are dead or are complete fan assembly for $800+ US then there is convert to AUS and shipping.

I was speaking to Nick - Kolak and he said the part is discontinued does anyone know of an alternative

I have just read people have used a Ford part with success also

NEW Hydraulic FAN Pump Actuator 2000 2002 Lincoln LS 2002 2005 Thunderbird | eBay
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  #15  
Old 12-09-2015, 03:21 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Yes, the Ford Lincoln uses the same hydraulic fan assy, so also the same solenoid. Unfortunately is Ford using an other type of connector on the solenoid, so just an easy swap it isnīt. Probably best to find the corresponding connector and change it as well.
I donīt know if they sold the Ford lincoln in Australia, if so, you could try a junk yard for the solenoid and connector.
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  #16  
Old 12-13-2015, 11:46 AM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

You can swap to electric fans
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  #17  
Old 12-13-2015, 05:42 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Quote:
Originally Posted by hoffmanestates View Post
You can swap to electric fans
how hard is that a task to get rid of the hydraulic plumbing
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  #18  
Old 12-13-2015, 05:53 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Well one thing that sucks is it runs thru the power steering system.
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  #19  
Old 12-13-2015, 06:37 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

yeah, I had thought if changing to electric fan but didnt want headaches either

when the hydraulic works it works well

at least mine is only intermittent at the moment

and only starts to over heat on days around 33 deg C around 91F
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Old 12-13-2015, 06:55 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Yup just like mine.
I'm glad I got wj for 500$ but the dam shit money I had to put in, reviled engine, replace trans,front end work. Could of went with a Honda or Toyota
Chrysler is nice to look at and lease but own and repair is ridiculous
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Old 12-13-2015, 06:57 PM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Quote:
Originally Posted by hoffmanestates View Post
Yup just like mine.
I'm glad I got wj for 500$ but the dam shit money I had to put in, rebuilt engine, replace trans,front end work. Could of went with a Honda or Toyota
Chrysler is nice to look at and lease but own and repair is ridiculous

Tried selling jeep for 1000 and all I got were laughs. So stuck with it
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  #22  
Old 12-14-2015, 06:56 AM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Quote:
Originally Posted by Madaz View Post
yeah, I had thought if changing to electric fan but didnt want headaches either

when the hydraulic works it works well

at least mine is only intermittent at the moment

and only starts to over heat on days around 33 deg C around 91F
When it starts to overheat, the fan is not running at high speed? Do you get any fault code for the solenoid? Did you already change the thermostat and flush the cooling system? A radiator with restricted flow (internally for the fluid or externally for the air) will show up on hot days when the reduced cooling capacity will cause overheating)
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  #23  
Old 12-14-2015, 07:03 AM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

When it's starting to run warm. 210+ turn on a/c and listen to if the fan ramps up.
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  #24  
Old 12-14-2015, 07:27 AM
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Re: '04 Overland 4.7 v8 - Overheat - hydraulic fan?

Quote:
Originally Posted by Frango100 View Post
When it starts to overheat, the fan is not running at high speed? Do you get any fault code for the solenoid? Did you already change the thermostat and flush the cooling system? A radiator with restricted flow (internally for the fluid or externally for the air) will show up on hot days when the reduced cooling capacity will cause overheating)
not because of this but i had just had a newer engine put in and changed the thermostat, put a new alloy rad in with new cap and new coolant

yes i also get the code P1499 which i believe is the MIL solenoid issue

they run @ 100deg C here which is your 212F that's operating temperature

mine is hot when it runs over 110-120 125 is warning chime (110deg c is 230F)
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