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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #51  
Old 07-11-2007
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Its possessed. I recommend and exorcism.
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  #52  
Old 07-11-2007
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Haha. Most likely. I have no idea what to check or do next. Like I said, i'm going to try to bleed out the bubbles later today; but I don't know what to do from there.
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  #53  
Old 08-09-2007
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2 days ago my dad's friend took a look at my truck and I told him the whole situation. He's a redneck dude but knows his stuff. He thinks my e-fan is causing the problem, not so much now, but over time the truck would overheat a little now and again breaking down the coolant over time. Now the coolant is destroyed and isn't working properly at all. So...I put the mech fan back on, and flushed my coolant system. When I drained the coolant, it came out dark brown with some deposits. I flushed it with a flushing fluid from AutoZone and that came out brown also, as did the next run with just water. After 4 flushes the water finally came out decent, then I filled it back up with coolant.
The wierd thing is that the truck manual says it takes about 3 gallons of coolant. We bought 3 gallons, I put about 1.9 gallons in and it was full, and I did have the truck running to circulate it through the engine, and I did fill up the overflow tank.
When I took off the e-fan the truck was still hot. I felt around the entire radiator to feel for hot/cool spots, the top 6 or so inches was scalding so bad that I couldn't put my hand on it, and the rest down was warm to cool so much that I could hold my hand on it with no pain at all. I know the radiator is clogged up some which is causing this temperature difference. The new coolant and stock fan may help, but I think it's still going to overheat, maybe not as easily or as hot but it still should. I'll keep posted on what happens.
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  #54  
Old 08-09-2007
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4 weeks ago
Quote:
Originally Posted by 99ranger4x4
it may be the e-fan since it doesn't happen when your moving
Quote:
Originally Posted by Takeda
Since it doesn't do it when moving, I would say it's your e-fan, or wiring/thermostat for the e-fan.
Quote:
Originally Posted by rideac1
I know for a fact that it's not the e-fan.


Today
Quote:
Originally Posted by rideac1
He thinks my e-fan is causing the problem


Listening to these guys could have saved you a month of trouble

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  #55  
Old 08-09-2007
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Quote:
Originally Posted by Steve_O113
Listening to these guys could have saved you a month of trouble
But I am still blaming the radiator on the problem. It gets hot even at highway speeds where any fan would do nothing.
The coolant was filthy and had particles in it, which is making me think it is the rad...along with the cool spots on it.
We will see
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  #56  
Old 08-09-2007
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clogged radiator like you said, but maybe the efan started it all. the fluid broke down because it got too hot, then stated leaving deposits and plugging the radiator...
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  #57  
Old 08-09-2007
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Quote:
Originally Posted by rideac1
But I am still blaming the radiator on the problem. It gets hot even at highway speeds where any fan would do nothing.
The coolant was filthy and had particles in it, which is making me think it is the rad...along with the cool spots on it.
We will see
Your symptoms have changed since your original post then:

"It stays fairly cool when moving at a decent speed, but when sitting/idleing it will get much higher than normal operating temp"
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  #58  
Old 08-09-2007
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After reading all these posts about overheating Rangers, I have noticed one thing in common, e-fan. I will never put one on my truck as the parasitic loss of the mechanical fan is not as great as it's reliability compared to the e-fan. Live on mechanical fan Ranger's!
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  #59  
Old 08-10-2007
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Originally Posted by 05RangerXLT
After reading all these posts about overheating Rangers, I have noticed one thing in common, e-fan. I will never put one on my truck as the parasitic loss of the mechanical fan is not as great as it's reliability compared to the e-fan. Live on mechanical fan Ranger's!
Very wise!! I'm glad somebody has seen through all the e-fan HYPE!!
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  #60  
Old 08-10-2007
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Quote:
Originally Posted by Takeda
Your symptoms have changed since your original post then:

"It stays fairly cool when moving at a decent speed, but when sitting/idleing it will get much higher than normal operating temp"
"fairly cool" meaning higher than normal operating temp. It gets overly hot when idleling but if it's in the mood to overheat, at highway speeds it will still be higher than normal temp, I said "fairly cool" meaning that I would still drive it on the highway in the situation.
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  #61  
Old 08-10-2007
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Since my mechanical fan has been back on I have not noticed any decreases in any type of power or anything. When I put it on it seemed to have much better throttle response but it feels the same now with the OEM fan on it. Fuel mileage may be a bit better with the e-fan but I haven't driven enough to notice yet.
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  #62  
Old 08-10-2007
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Quote:
Originally Posted by rideac1
Since my mechanical fan has been back on I have not noticed any decreases in any type of power or anything. When I put it on it seemed to have much better throttle response but it feels the same now with the OEM fan on it. Fuel mileage may be a bit better with the e-fan but I haven't driven enough to notice yet.
If your fan clutch is working ok, there will be no advantage to the e-fan!!!
Especially when you consider the additional mechanical load on the alternator from the power the e-fan is taking.
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  #63  
Old 08-10-2007
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The load from the fan is nothing for me, I have my electrical system beefed up and play my stereo constantly drawing over 50 amps anyway.
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  #64  
Old 08-10-2007
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A properly installed E-Fan with a working thermostat will work just as well if not better than the mechanical fan. Either one of them is susceptible to problems and when malfunctioning, either one will cause problems.
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  #65  
Old 08-10-2007
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The failure rate on an e-fan and associated components is much higher than the mechanical fan / fan clutch assembly period!! There is absolutely NO advantage of
replacing the mechanical fan with an e-fan!!

E-fans DO NOT have the cooling capacity of the mechanical fans, matter of fact, they are not recommended for heavy towing. WHen is the last time you saw only an e-fan (no mechanical fan) on a diesel?
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  #66  
Old 08-10-2007
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I've heard of people's mechanical fan failing/breaking and from a few people on here. My boss' Infinity's AC fan actually had to get replaced this past week. I've never heard of any duable automobile part ever, so anything good can go bad now and again.
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  #67  
Old 08-10-2007
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if you buy a GOOD efan, you will not have issues. When i first bought one I did not know what i was doing, now after burning up 2 efans and a couple controllers etc i feel pretty confident that my efan will work and cool well.

btw i tow more then most people on this site have ever thought about towing and i run on 35s.

my issue is a can no longer ever run a mechanical fan, just wont fit any more. there are times i wish i had a mechanical fan back tho.
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  #68  
Old 08-10-2007
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Quote:
Originally Posted by 05RangerXLT
After reading all these posts about overheating Rangers, I have noticed one thing in common, e-fan. I will never put one on my truck as the parasitic loss of the mechanical fan is not as great as it's reliability compared to the e-fan. Live on mechanical fan Ranger's!
Quote:
Originally Posted by Takeda
Very wise!! I'm glad somebody has seen through all the e-fan HYPE!!

Thats what I'm saying... For the few LESS horses I have with a mechanical, I'll just stick with it, haven't had a problem cooling EVER!!!
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  #69  
Old 08-10-2007
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It actually doesn't give you any extra horsepower, the only thing it would do is let the engine run faster quicker. It doesn't change anything with the engine, it just creates less to spin on the belt assembly. A dyno has been done which shows no HP change at all, i've seen the dyno post on here.
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  #70  
Old 08-10-2007
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but your A/C runs better while siting still and it heats the truck up faster in the winter. plus my truck idles so much better now.
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  #71  
Old 08-10-2007
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Quote:
Originally Posted by zabeard
but your A/C runs better while siting still and it heats the truck up faster in the winter. plus my truck idles so much better now.
I guess that is true.

I do like the whole idea of the e-fan which is why I had one on for the past 2 or so years. The only bad part is I broke one fan by driving fast through a semi-deep puddle and water hit the blades and broke all but 2 off, which was bad.
I don't think my fan had much to do with my overheating problem, but I suppose it can be one of the small problems. I put my stock mechanical fan back on to see if it helps with my overheating, and if not i'm going to put my e-fan back on.
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  #72  
Old 08-15-2007
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I think my overheating problem is fixed. I drove it around this weekend which was hot, especially hot enough to cause it to overheat quickly, but it didn't. It stayed at normal operating temp.
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  #73  
Old 08-15-2007
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Quote:
Originally Posted by rideac1
I think my overheating problem is fixed. I drove it around this weekend which was hot, especially hot enough to cause it to overheat quickly, but it didn't. It stayed at normal operating temp.
That's great news, thanks for the update! Now, are you going to put the e-fan back on?
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  #74  
Old 08-15-2007
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good job.....

if you want to go back to an efan, i would recommend getting a 3.8L Taurus efan....it has a shroud and it pulls upwards of 4500 CFM.....<--that is what i am in the market for...
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  #75  
Old 08-15-2007
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I'm not sure of the e-fan just yet, i'm going to run with the OEM fan until I change my mind. I'm still not opposing the e-fan since I haven't found or though of any evidence that it 'killed' my truck and caused the overheating.
I was looking a while back for one with a high CFM, the most I found was on this website: http://www.performancecenter.com/pro...ns&universal=0

The only bad part would be that it would be best to mount it directly on the radiator since there's no fan protection, but mounting it on the rad is bad. I'm sure I could make something but I don't want to have to worry about it.
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