1st Gen Durango 1998 - 2003 Durango's

Clutch fan vs electric fan

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Old Mar 27, 2007 | 01:20 PM
  #21  
fyjimophreak's Avatar
fyjimophreak
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Default RE: Clutch fan vs electric fan

Sorry, to clarify my earlier post, I was searching for an electric fan to replace the clutchfan for my 99, 5.2LDurango, which does not have a stock e-fan like your 2000's. From all the responses, I think I'm better off just leaving the clutch fan in to keep it cool as many of you have referenced an e-fan is not sufficient and it will save me a few hundred bucks. Thanks for all the help.

But to add to kensai's post, why does the clutch fan lock in when it's cold (start up) and slip more after it has heated up some?
 
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Old Mar 28, 2007 | 02:53 AM
  #22  
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Default RE: Clutch fan vs electric fan

Fyjimophreak,

In your case, you should have lots of clearance to add a electric fan between your clutch fan and the radiator. The reason why the newer D's, I think starting on 2000 models, the factory had to add a E-fan for supplement cooling when the A/C is on because there was a TSB about the A/C not cooling when the D is sitting idle. I must assume the clutch fan is not pulling enough air when idling and by adding a E-fan to assist in idle mode will address the A/C cooling problem.
 
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Old Mar 28, 2007 | 03:16 AM
  #23  
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Default RE: Clutch fan vs electric fan

I assumed that was the reason for the newer versions having both fans. Thanks for the info.
 
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Old Mar 30, 2007 | 08:23 PM
  #24  
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Default RE: Clutch fan vs electric fan

I recentlyreplaced my clutch fan with this http://www.performancecenter.com/pro...me=Flex-A-Lite
As far as MPG, I bought my 99 TWD 318D new in 98 and have NEVER gotten better that 17. We took it on a 2000 mi roundtrip recently and it jumped to 18.6. I haven't checked it in town yet, but I'm guessing that it has got to improve over the 11-12 that is has always gotten. As far as cooling and cooling the A/C condensor, I don't know yet. It hasn't gotten hot here in Texas yet, but it will. PM me later and I'll let you know. We also pull an RV and I'm hoping that the feew horses freed up without the clutch drag will be noticed.I also have pics of the install if your interested. It took me about 7 hours counting 3 trips to the hardware store for bolts. Most of that time was possitioning and repossitioning the fan and brackets prior to cutting and drilling. You only get one shot! I think had I had someone show me where it had to go and where to cut the brackets 4 hours tops.
I can't wait until summer to see how it performs. I can't believe I just said that.
 
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Old Mar 30, 2007 | 08:58 PM
  #25  
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Default RE: Clutch fan vs electric fan

For the price of the flexalite at just under $300, I would just pay the extra bucks and go with the Viper fan kit as this kit is truly a genuine Mopar parts plus it puts out more CFM's and it can come in 2 speeds so low speed for regular cooling or can auto switch to high for maximum cooling. I just don't know if it is a direct bolt on or if it still requires some retrofiting.
 
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Old Mar 31, 2007 | 06:04 AM
  #26  
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Default RE: Clutch fan vs electric fan

The FlexLite above flows 3300 CFM. What does the Viper flow? Both mount BEHIND the radiator right? Is that called a puller?

IndyDurango
 
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Old Mar 31, 2007 | 05:37 PM
  #27  
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Default RE: Clutch fan vs electric fan

I think it pulls 4000 cfm's Indy but I can't remember 100%.
 
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Old Apr 1, 2007 | 02:42 AM
  #28  
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Default RE: Clutch fan vs electric fan

Hey Just a little tid bit of info... yeah the fan clutches are filled with a type of oil, but their function is less about the oil inside of them as it is about the BI-metalic spring. I am not an engineer, but basically it has to do with expansion and contraction rates of the metals that make up that spring from the changes in temp, that controls how the fan spins. In my Opinion, I think you guys would be better off leaving the factory setup the way it is.. And the guy whose fiance has trouble getting hers warm, I would flush that cooling system, and check the radiator for clogs with one of those laser thermometers for hot and cold spots, there must be a clog somewhere. I understand it is cold where you live, I am in Rhode Island...and we have had many single digit days the last several winters with wind chills dipping well below 0, and I have had no problems with heat. But If you all are really out to save gas I would suggest checking out 4 things, cheapest being tire air pressure, check it regularly...#2 switch to a good full synthetic oil, i like Mobil 1, noticed a big difference, dont know exact % though...and #3 look at the type of tires you are using, if you are using aggressive soft compound tires youll never get good mileage, need a street tire... rolling resistance kills mpg's, and lastly #4 if you have exhaust leaks up front, its gonna mess with your 02 sensors creating a lean condition and causing the computer to put more fuel into the mix... well Hope this helped good luck... Jay
 
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Old Apr 1, 2007 | 05:48 PM
  #29  
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Default RE: Clutch fan vs electric fan

As far as the e-fan cooling well enough this summer, I'll just have to wait anothe month or two.
Mobile 1 huh? I've been thinking about switching to a synthetic. I only have 97k mi on her though. I'm not sure she's broken in yet.
I have another problem https://dodgeforum.com/m_758703/tm.htm
 
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Old Apr 2, 2007 | 03:30 AM
  #30  
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Default RE: Clutch fan vs electric fan

I am just about certain I am going to take off my clutch fan and go with a Ford Mark XIII fan setup. 4000+CFM for less than $200 NEW, less than $100 used.

My only questions are how to wire it so it comes on automatically at 185 degrees (I have a 180 stat). I do not want to wire a manual switch for on/off and at 30amp, what do I connect it to, to get power and do I have to use a relay (don't know what a relay actually does, I'm not the wiring type guy, but will tackle anything.)

IndyDurango
 
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