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Fan blower motor (FYI)
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=46970		 Page 1 of 1
Author:  Mudder [ Tue Oct 06, 2009 6:37 pm ]
Post subject:  Fan blower motor (FYI)
Just want to let people on here know that if your fan only runs on high or only runs on low then you need to replace the fan relay. It is located behind your glove box. 2- 8mm screws. Stealership part is $27 and some change. 15 min job.

Just an FYI. Dealer said they replace alot of 'em
Author:  phluffhead [ Tue Oct 06, 2009 8:04 pm ]
Post subject: 
replaced mine 2 days after i bought it.let me tell you, even for short time...the heat produced on high in the libby is insane!!!!
Author:  rt_power [ Tue Oct 06, 2009 8:35 pm ]
Post subject: 
I think what your refering to is not the relay but heater resistor block. It varries the voltage to the fan motor which it what creats the four fan speeds and they are a VERY common to fail
Author:  TAHOE [ Wed Oct 07, 2009 12:21 pm ]
Post subject: 
need to take ours in, now low speed... still under warranty too :D
Author:  Jeepjeepster [ Wed Oct 07, 2009 8:19 pm ]
Post subject: 
phluffhead wrote:
replaced mine 2 days after i bought it.let me tell you, even for short time...the heat produced on high in the libby is insane!!!!


All the more reason to make speed #4 a vent and do away with it. :)
Author:  ChiroKJ [ Thu Oct 08, 2009 4:45 pm ]
Post subject: 
Quote:
All the more reason to make speed #4 a vent and do away with it. Smile



has anyone done this?
Author:  Jeepjeepster [ Thu Oct 08, 2009 5:53 pm ]
Post subject: 
ChiroKJ wrote:
Quote:
All the more reason to make speed #4 a vent and do away with it. Smile



has anyone done this?


Well of course. I wouldnt of said it if I hadn't done it. 8)

http://www.jeepkj.com/forum/showthread.php?t=26491
Author:  tomsjeep [ Fri Oct 09, 2009 9:16 am ]
Post subject: 
Blower motor resistor fails on TJs a lot. I'm not surprised it would fail on KJ/KKs too. Since I've not owned a YJ or the older Cherokees I can't say about them... it's a part that happily cooks itself into oblivion regularly.
I keep trying to diagram out a way to replace the whole thing using 12v computer fans, but I'm not that smart.
Author:  sleeve84028 [ Fri Oct 09, 2009 9:26 am ]
Post subject: 
Tips:

Lost KJs, Search, [input Blower Motor Resistor], search

review the threads for tips...

This one includes pictures: HVAC Blower Motor Failure


Litterly it is a 10 minute repair and a 15 minute "find the correct tool" job.
Author:  W9JAB [ Fri Oct 09, 2009 3:01 pm ]
Post subject: 
should you hear/feel the fan on low?
Author:  Jeepjeepster [ Fri Oct 09, 2009 4:46 pm ]
Post subject: 
W9JAB wrote:
should you hear/feel the fan on low?


umm, well, yeah. It should be blowing air. :)
Author:  W9JAB [ Sat Oct 10, 2009 12:36 am ]
Post subject: 
:oops: Very instering, I guess I have that problem too but I do like to have the fan off, and not running all the time :lol: I'll just leave it be for now.
Author:  rt_power [ Sat Oct 10, 2009 8:46 am ]
Post subject: 
that is one thing that has never impressed me about the KJ. even on the lowest setting, it still blows enough to be anoying
Author:  Jeepjeepster [ Sat Oct 10, 2009 2:25 pm ]
Post subject: 
rt_power wrote:
that is one thing that has never impressed me about the KJ. even on the lowest setting, it still blows enough to be anoying


If its blowing too much air on low why cant you turn it off? If its still too cool on #1 I just turn it off. In the winter I just adjust the temp but I dont like doing that with the A/C on. Either I need it as cold as it goes or the windows are down. :)

W9JAB wrote:
:oops: Very instering, I guess I have that problem too but I do like to have the fan off, and not running all the time :lol: I'll just leave it be for now.


Just be careful with that. If you have the A/C on with no air blowing over the coils the pressure will go up and kick the high pressure side off. Best to keep air moving with the A/C on. Its perfectly ok to use that as a vent when your driving down the road though. Thats what I do with #4 since I unhooked that speed. I just make sure to not use the A/C on that speed. I travel on the highway 90% of my mileage so I hardly ever use the fan, just he vent. :)
Author:  Kugellager [ Thu Oct 22, 2009 3:54 pm ]
Post subject: 
phluffhead wrote:
replaced mine 2 days after i bought it.let me tell you, even for short time...the heat produced on high in the libby is insane!!!!

Yeah - Enough to crack your windshield if it is really cold outside! :roll:

];')
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