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 Post subject: NON OEM MECHANICAL FAN
PostPosted: Wed Jul 06, 2016 9:59 pm 
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Joined: Fri Nov 07, 2014 9:15 am
Posts: 1439
Location: Pennsylvania
Went online for the least expensive new clutch and fan blade assembly. Total i spent less then $100, thats more then $100 i saved versus getting the oem assembly.

I've had it installed for about 2 hours now and have noticed temperature differances. Idle, no A/C runs at a consistant 198°F. Idle, with A/C 195. With A/C on the fan clutch sounds like it is fully engaged due to the electric fan being on i would assume.

Fan clutch:

Hayden 2905 (Severe Duty) ***good for those that trail and tow frequently

Hayden 2635 (Heavy Duty) ***possible oem clutch assembly***

Hayden 2617 (Standard Duty) *** MUST use oem blade as any other blade WILL cause premature death of the clutch

Derale 23167 (Heavy duty)



Fan blade:

Flex-a-lite 5718 (Black, Aluminium) standard rotation *** Push

Flex-a-lite 5718 (Gold, Aluminium) reverse rotation *** Pull

Mopar 55038108AA

18.25" fan blade comfortably fits the shroud. An 18.5" blade would still work but not confirmed for high rpm scenarios for rubbing.


As i know of, the KK 3.7 is a reverse rotation at the water pump pulley.

Also stating that the KJ is a standard rotation at the water pump.

Stay away from non thermal clutches if you like your fuel economy but buy one if you trail your rig or tow up mountains very frequently.


*** I have the hayden 2905, between the electric fan and clutch there is half an inch of clearance to spare. Removing and installing the fan shroud takes a bit longer then it would with a heavy or standard duty clutch.

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2012 Jeep Liberty KK 109k miles and stong
4" lift.
Gen 5.5 A-Arms
Maxxis 31x10.50x15

ATS42rle


Last edited by PALiftedKK on Sun Jul 17, 2016 12:29 pm, edited 6 times in total.

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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Thu Jul 07, 2016 9:09 pm 
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Joined: Sun Jun 12, 2016 10:31 pm
Posts: 73
Location: central texas
Nice! I was at the junk yard yesterday ( to pick up some spring isos for my new o.m.e.) and i saw laying around a fan from a 07 too... tougth about getting it but over the weekend i did a 12" fan w shtch on dash and a 2.5k tranny coolet under 80 bucks... wish i had gone sooner ill like to se how a mechanical compares.

Sent from my SM-G900P using Tapatalk

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2012 black kk , ome custom 3" lift , Al's A arms, adjustable end links w quick disconect front and rear, tranny cooler, external fan w switch, custom roof rack, rear spartan locker


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Sat Jul 09, 2016 5:58 pm 
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Joined: Fri Nov 07, 2014 9:15 am
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Location: Pennsylvania
REVISED INFORMATION 7/9/16

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2012 Jeep Liberty KK 109k miles and stong
4" lift.
Gen 5.5 A-Arms
Maxxis 31x10.50x15

ATS42rle


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Fri Aug 12, 2016 8:17 pm 
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Posts: 3100
Location: Philadelphia, PA
For more details, continue in this thread: http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=84943

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M116A3 Trailer build thread: viewtopic.php?f=72&t=77997


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Mon Jun 12, 2017 5:26 pm 
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Joined: Fri Sep 23, 2016 9:59 pm
Posts: 26
Location: Fort Wayne, IN.
Looked up on Hayden site. Says the 2635 is for the Libby. anyone know where to get? Tried my go to Rockauto. They don't carry.

http://www.haydenauto.com/Online%20Cata ... tent.aspx#

Also found one on Autozone.
http://www.autozone.com/cooling-heating ... 315784_0_0

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2011 Liberty Renegade
Cooper Discoverer ATP 245/70/16 - Dynomax Ultra Flo - Scangauge 2 - Mopar/Hayden HD cooling pkg.


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Mon Jun 12, 2017 9:36 pm 
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Joined: Sat Aug 27, 2016 9:12 pm
Posts: 2505
Location: Oregon Coast Dairy Country. Land of stumps, dumps, and "Liquid Pumps"
Hayden has recently revamped their catalog, changing many part numbers, and discontinuing several models, including the one on my CRD. I know the number listed in my sig. is correct, as I can check the invoice. But when I tried to look in Hayden's catalog to find application, it either shows as discontinued or non-existent.

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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Tue Jun 13, 2017 11:21 am 
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Location: Pennsylvania
UPDATE:

The Hayden 2905 with my 18.25 metal fan (5718) are both still holding up great. Electric fan literally only comes on when the A.C is on. Have taken the rig off road on some easy and not so easy trails since it was installed without any worrisome temp spikes. Temps have not gone over 215° in 90° ambient temperatures on and off road.

Maybe the temps are that good because of a good coolant flush last year with the minimal cooling of the coolant filter. Hmmm.

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2012 Jeep Liberty KK 109k miles and stong
4" lift.
Gen 5.5 A-Arms
Maxxis 31x10.50x15

ATS42rle


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Tue Jun 13, 2017 11:23 am 
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Joined: Fri Nov 07, 2014 9:15 am
Posts: 1439
Location: Pennsylvania
KK Renegade wrote:
Looked up on Hayden site. Says the 2635 is for the Libby. anyone know where to get? Tried my go to Rockauto. They don't carry.

http://www.haydenauto.com/Online%20Cata ... tent.aspx#

Also found one on Autozone.
http://www.autozone.com/cooling-heating ... 315784_0_0



Amazon has all of the parts listed here.

_________________
2012 Jeep Liberty KK 109k miles and stong
4" lift.
Gen 5.5 A-Arms
Maxxis 31x10.50x15

ATS42rle


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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Sun Jun 16, 2019 12:02 am 
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Joined: Wed Nov 26, 2014 12:30 am
Posts: 64
Location: San Antonio TX
Started this project.
Have the fan and clutch on but how do you torque to spec? The four nuts on the clutch can’t get a torque wrench in the space between the water pump and the clutch.

Then how do you torque the main nut on the water pump to spec?
I have the spanner wrench coming in the AM.

Don’t want things coming off at 3000 RPM

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 Post subject: Re: NON OEM MECHANICAL FAN
PostPosted: Sun Jun 16, 2019 5:39 pm 
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Joined: Sat Aug 27, 2016 9:12 pm
Posts: 2505
Location: Oregon Coast Dairy Country. Land of stumps, dumps, and "Liquid Pumps"
Just a little snug is fine. They pretty much self-tighten as they run.

_________________
'06 Lbrty Sprt CRD 150K

Sasquatch
DSS Turbo
CAT-elimntr
Weeks Stg1&2 EGRfix
PV-200
BLING
vent gauges

IDParts
head
cams
rockers
Timing set
ARP studs
eTn1 GX2123 5v GPs

YETI Custom Tune
Flowmaster 8325508
Carter P76611M
GM 12611872
Hayden 2986
GM 15976889
PATC Custom Billet
2010 Ram Hemi Trans
Sonnax 44957
Transgo kit
Cooper 51770


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