Radiator Fan Keeps Running
06-06-2014, 07:57 PM
#1
JK Enthusiast
Thread Starter
Join Date: Oct 2009
Location: Lakewood, CA
Posts: 279
Likes: 0
Received 0 Likes
on
0 Posts
Radiator Fan Keeps Running
Need some help here. Twice this week when I got home and turned off Jeep, the radiator fan kept running. The first time I let it run for awhile and it just never turned off. I disconnected it to shut it off.
The next few days I drove with no issues. It would come on as usual and shut off. Today, my wife came home with it and again the fan kept running. I ended pulling the fuse to shut it off.
Anyone have this issue and if so, what was the problem?
I have a 2009 JKU Rubicon.
Thanks in advance for the input.
The next few days I drove with no issues. It would come on as usual and shut off. Today, my wife came home with it and again the fan kept running. I ended pulling the fuse to shut it off.
Anyone have this issue and if so, what was the problem?
I have a 2009 JKU Rubicon.
Thanks in advance for the input.
06-07-2014, 07:15 AM
#3
JK Enthusiast
Thread Starter
Join Date: Oct 2009
Location: Lakewood, CA
Posts: 279
Likes: 0
Received 0 Likes
on
0 Posts
06-07-2014, 07:38 AM
#4
JK Super Freak
This happened to me on my 97' Cherokee. Eventually the fan quit completely. When I finally figured it out it was a bad wire in the wiring harness, on the jeeps side of the connection to the fan. We cut out the bad piece of wire and spiced in a new piece. Good as new. A cheep auto parts store electrical test light was the key to chasing down the bad spot. Hope this helps.
06-07-2014, 10:28 AM
#5
JK Junkie
I'd check the relays that turn the fan on, could be sticking contacts.
06-08-2014, 10:32 AM
#7
JK Junkie
Just in case this relay didn't checked, it's a bit hard to locate, see the pics here: https://www.jk-forum.com/forums/jk-e...-222989/page2/
One can check for stuck contacts with a meter, but a quick and dirty test that often works for sticking contacts is to tap with the handle of a screwdriver and see if the contacts un-stick (and the fan stops).
One can check for stuck contacts with a meter, but a quick and dirty test that often works for sticking contacts is to tap with the handle of a screwdriver and see if the contacts un-stick (and the fan stops).
Trending Topics
06-08-2014, 02:21 PM
#8
JK Enthusiast
Thread Starter
Join Date: Oct 2009
Location: Lakewood, CA
Posts: 279
Likes: 0
Received 0 Likes
on
0 Posts
Just in case this relay didn't checked, it's a bit hard to locate, see the pics here: https://www.jk-forum.com/forums/jk-e...-222989/page2/
One can check for stuck contacts with a meter, but a quick and dirty test that often works for sticking contacts is to tap with the handle of a screwdriver and see if the contacts un-stick (and the fan stops).
One can check for stuck contacts with a meter, but a quick and dirty test that often works for sticking contacts is to tap with the handle of a screwdriver and see if the contacts un-stick (and the fan stops).
Guess I was messing with wrong connector. Located the relay from the link you sent, tapped on it and so far so good. Hopefully this fixes it.
Thank you!!!
06-08-2014, 06:54 PM
#9
JK Junkie
Glad that was it. Tapping on the relay will only fix it temporarily. The welded contacts separate, but will weld together again -- The plating on the contacts wears out. The part number 56055667AB relay is around $20.
06-09-2014, 08:27 PM
#10
JK Enthusiast
Thread Starter
Join Date: Oct 2009
Location: Lakewood, CA
Posts: 279
Likes: 0
Received 0 Likes
on
0 Posts
Thanks again!
Sent from my iPhone using JK-Forum