2004 jeep liberty 3.7 sport radiator fan control relay location - JeepForum.com

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post #1 of 14 Old 09-18-2012, 11:24 PM Thread Starter
dmanars
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2004 jeep liberty 3.7 sport radiator fan control relay location

Ive been looking for this relay. I know where the 40amp is and its fine. Want to know where the control relay is to change it. Im getting the error code p1491.

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post #2 of 14 Old 09-19-2012, 08:19 AM
Billwill
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Quote:
Originally Posted by dmanars View Post
Ive been looking for this relay. I know where the 40amp is and its fine. Want to know where the control relay is to change it. Im getting the error code p1491.
According to my documentation it is in the left front engine compartment but I do not have a picture of it.

I know it is a matchbox sized metal component bolted to one of the vertical metal members near the radiator....from a picture I saw some time ago.
I have a CRD so cannot have a look at mine.

I will try find it in the parts catalogue!

2002 2.5 Export CRD Manual 5 speed.
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post #3 of 14 Old 09-19-2012, 10:57 AM
cmclean
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It's under the battery tray, newer relays have a big heat sink on them so possibly look different from the one fitted at the moment. Easiest way I found was to take off the grille, battery and tray and then you can even easily remove the headlamp assy to give you more room.
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post #4 of 14 Old 09-19-2012, 06:32 PM
tjkj2002
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If I remember correctly the '04's relay is in the same spot as '02's and '03's.

Stock relay..............


Upgraded OEM relay,dealership only and worth the extra cost.........

'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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post #5 of 14 Old 09-27-2012, 06:58 PM Thread Starter
dmanars
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I got the one from the dealership and it doesnt have a heat sink... I think they sold me a retured one. When I asked he said, he said, we dont sell used or returned relays. I told him. but the packaged was stapled together. I didnt open it. You gave it to me like that. anyway. so i have to take all that apart... Bugger. I was hoping for a quick resolution. Guess I better get up early tomorrow.
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post #6 of 14 Old 10-23-2015, 07:39 PM
gervais
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hi all,anyone have the parts number of that relay?
my fan is ON at the moment i Turn On the heater fan inside the liberty the auxiliary electric fan of the radiator is ON and run and run until i turn OFF the heater fan.


i am going to change this relay first because so many people have add problems with it.
thanks Gervais
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post #7 of 14 Old 08-16-2016, 11:32 AM
AngelMom02
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i have a 2005 jeep liberty sport 3.7 L, all stoc. I just replaced the 2 40 amp relays, the radiator, the cooling fan, and the radiator resivor, and now my cooling fan turns on from the time I hook the battery up, till the time I disconnect the battery. Some one said it is the cooling fan relay, but I can't find it.
HELP!
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post #8 of 14 Old 08-16-2016, 07:13 PM
02blue
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Should be in the power distribution center (PDC) under the hood. One of those big relays in there but I don't have the schematic for that year. In 02 and 03 (maybe some 04s??) there was a large relay on the inner fender under the battery tray. After that I think they all had the relay in the PDC.

"Hey, ya never know til you try." Kurt Russell-Big Trouble in Little China
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post #9 of 14 Old 08-17-2016, 09:35 AM
AngelMom02
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Yeah. I took the battery tray off and there is nothing under there. And both high and low arr in the box, and I replaced both of those. I had another mechanic come over and look at it, and he said there is a 3rd relay in the 05 liberty, but neithet of us could fine any location for it. My radiator cooling fan won't shut off unless I disconnect the battery whenever I shut the engine off. I don't know why. The engine could be totally cold, and the fan, which is brand new, is still running.
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post #10 of 14 Old 08-17-2016, 10:44 AM
jeepjeepster
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My 04 does does not have the relay mounted on the fender. Just the high and low relays in the PDC.


what did you replace the relays with and why did you replace them? Have you tried reusing the old relays?

This is from the 04 FSM.... Maybe it changed in 05...
Attached Thumbnails
Cooling fan.jpg  
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post #11 of 14 Old 08-18-2016, 09:44 AM
AngelMom02
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I replaced them, because originally the fan wasn't working, so I was hoping it was just the relay. Changed the relays fan started working but then it was sparking, so, changed the actual fan, now, the fan will only shut off when I disconnect the battery.
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post #12 of 14 Old 08-18-2016, 09:45 AM
AngelMom02
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Oh, and I replaced them with new relays from autozone.
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post #13 of 14 Old 08-19-2016, 09:12 AM
gervais
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relay,fan,heat control on the dash thay all worked together

on my 2003,
if i switch ON the AC the fan will stay on too cool the freon,,

this relay is not working,used as a regular relay that we know.

i canged it myself for the HD with the Heatsink.

gervais
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post #14 of 14 Old 08-20-2016, 11:06 AM Thread Starter
dmanars
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I was receiving the above code. I wasnt sure if my fan had stopped working, Kinda jsut assumed ti wasnt. I replaced it with a part I got from Autozone. Havent had a problem since.
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