Cooling set-up question, or thought.....
#1
Thread Starter
Member
Joined: Oct 2008
Posts: 181
Likes: 1
From: New Hampshire
Year: 1994
Model: Cherokee
Engine: 4.0
Cooling set-up question, or thought.....
I just finished the lifted hood mod....I thing it looks great. Cheap too. Anyways, I was looking around at my XJ and had a thought, just want to get your guys opinion on it....
So my A/C doesn't work, and I'm going to go door less Memorial day weekend, eventually I'm going to make the A/C compressor on-board air. But my thought was can I take out the condenser, (the skinner radiator in the front) and wire the small electric fan to a toggle switch on my dash, for better cooling? I'm not going to need it, since I plan to do away with A/C completely, right?
Thanks,
J
So my A/C doesn't work, and I'm going to go door less Memorial day weekend, eventually I'm going to make the A/C compressor on-board air. But my thought was can I take out the condenser, (the skinner radiator in the front) and wire the small electric fan to a toggle switch on my dash, for better cooling? I'm not going to need it, since I plan to do away with A/C completely, right?
Thanks,
J
#2
CF Veteran
Joined: Nov 2008
Posts: 6,989
Likes: 4
From: Oak Harbor, WA.
Year: 1987
Model: Cherokee
Engine: 4.0 liter RENIX I-6, DIY Cold Air Intake, 2.5 FM Exhaust, 3 Core Radiator
You can run your aux. electric fan to a toggle switch. Many guys have done this. The aux. fan is turned on with the A/C but, there is a temp sensor on the motor that turns the aux. fan on when the temp reaches a certain temp. for extra engine cooling, as well. So, by wiring your aux. fan to a toggle switch, you would basically be setting it up to be turned on manually when it is already set up to be turned on automatically.
#3
Thread Starter
Member
Joined: Oct 2008
Posts: 181
Likes: 1
From: New Hampshire
Year: 1994
Model: Cherokee
Engine: 4.0
What sensor is the fan hooked up to? I'm not sure mine is working then, I thought it would only come on when the A/C was on, but after trying this is hasn't come on in a long time....
J
J
#4
I know mine comes on when the temp reaches about 200 (normally runs at about 180-190) but the other day I got stuck in traffic for 20 mins, watched the temp start to climb. When it hit 200 (right as I was starting to get worried), I heard the click and whirrrrr of the electric fan. Quickly brought temp back to 180 or so and turned off. This happened several times (did I mention I was stuck in traffic?).
This was the second day I drove my XJ to work and back, so I was keeping a keen eye on all guages.
This was the second day I drove my XJ to work and back, so I was keeping a keen eye on all guages.
#5
Thread Starter
Member
Joined: Oct 2008
Posts: 181
Likes: 1
From: New Hampshire
Year: 1994
Model: Cherokee
Engine: 4.0
OK, that sounds good, maybe I've never gotten mine that hot.....I got to do a coolant flush soon anyways. So what about the condenser? Do I need it? could a get rid of it for better air flow through the radiator?
Thanks,
J
Thanks,
J
#6
My aux fan does NOT work.. ive tested it and i need a new one but one word of advice is that mine gets hott when im in drive throughs and being stuck in traffic but i've never over heated, I sat for about 30 mins in stopped traffic and just turned on my heater and it didnt over heat.
#7
Senior Member
Joined: Dec 2008
Posts: 510
Likes: 0
From: Norco CA.
Year: 1991 XJ SPORT 2 DR.
Model: Cherokee
Engine: 4.0 600 HP
the fan is hooked up to the sensor on the water jacket to the block
test: on my year 91 if the xj is running unplug that wire and the fan should run and you'll get a check engine light.
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