E-Fan + 160 t-stat + AC always on = over heating - Ranger-Forums - The Ultimate Ford Ranger Resource


General Technical & Electrical General technical and electrical discussion for the Ford Ranger that does not fit in any other sub-forum.

Reply
 
LinkBack Thread Tools Search this Thread
  #1  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
E-Fan + 160 t-stat + AC always on = over heating

ya i am having a problem here i always have my ac on full blast and my truck has a 160 t-stat i have the jusnes controller and e-fan.....i am thinking of wiring it up to a switch....it only happens when i am running my ac on max and i am guessing that the e-fan does not kick on or what is going on here?...need to get this fixed before i lift my truck

tony
Reply With Quote
  #2  
Old 06-26-2008
Fx4wannabe01's Avatar
RF Veteran
iTrader: (23)
 
Join Date: May 2005
Location: Boring, Oregon
Posts: 21,721
Yet another reason I HATE electric fans.



I'd say somethings up with your controller. Possibly your temp probe is messed up. Does your fan even work? Did you splice into a wire on the backside of the heater/ac controls?
Reply With Quote
  #3  
Old 06-26-2008
 
Join Date: Jun 2008
Location: Charlestown, IN
Posts: 0
The Jusnes fan kits are junk. If you want an efan that works, get yourself a Taurus efan. Maurice had one on his Ranger and it would hold a piece of paper on the radiator. It cooled perfectly.
Reply With Quote
  #4  
Old 06-26-2008
04 EDGE
Unregistered User
 
Posts: n/a
why are you running a 160 degree thermostat?

is your engine computer programed to run this temp?
Reply With Quote
  #5  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
Quote:
Originally Posted by Fx4wannabe01 View Post
Yet another reason I HATE electric fans.



I'd say somethings up with your controller. Possibly your temp probe is messed up. Does your fan even work? Did you splice into a wire on the backside of the heater/ac controls?
yes it works and yes i spliced in to that wire

Quote:
Originally Posted by 04 EDGE View Post
why are you running a 160 degree thermostat?

is your engine computer programed to run this temp?
its so hot down here it dont matter i am not running 160 anyways if i am overheating its not the t-stat its the fan



i am going to take the t-stat competely out again and see if it over heats i also want to know does any1 have there e-fans wired to a switch????
Reply With Quote
  #6  
Old 06-26-2008
XeRo's Avatar  
Join Date: Feb 2008
Location: Here, Now...Ohio
Posts: 0
Programming the ECU isn't that big of a deal unless you run the fans from the ECU. The reason people do lower temperature T-stats is they would have the ability to run a few degrees more timing. Are your fans turning on at all? Splicing into the HVAC, your fans should turn on when the AC turns on. Check the voltages to and from the controller. What was the reason for the switch? Is the power side of the fans fused?
Reply With Quote
  #7  
Old 06-26-2008
wydopnthrtl's Avatar
Member
iTrader: (2)
 
Join Date: Dec 2005
Location: SE, Mi
Posts: 2,342
If your fan is indeed running? It most likely **is** your t-stat.

A colder stat will stay open longer and if the heat is great enough.. it won't close. Then what happens is the coolant doesn't stay in the rad long enough to cool down. The whole cooling system just continues to build more and more heat.

On a stock ranger.. go back to the stock 190 or maybe a 180 stat. Don't go colder than this on a street driven ranger.


Trust me on this.. I'm a genuine expert in the subject.

Regards,
Rich
Reply With Quote
  #8  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
ok when i turn my ac off it goes back to regular temp so its not my t-stat....its so hot down here....i am just going to take the t-stat out again and wire the fan up to a switch and see if thats helps
Reply With Quote
  #9  
Old 06-26-2008
 
Join Date: Jun 2008
Location: Charlestown, IN
Posts: 0
The A/C makes engine temps to go up, even if you have th stock fan.
Reply With Quote
  #10  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
ya but not overheat
Reply With Quote
  #11  
Old 06-26-2008
Fx4wannabe01's Avatar
RF Veteran
iTrader: (23)
 
Join Date: May 2005
Location: Boring, Oregon
Posts: 21,721
Quote:
Originally Posted by wydopnthrtl View Post
If your fan is indeed running? It most likely **is** your t-stat.

A colder stat will stay open longer and if the heat is great enough.. it won't close. Then what happens is the coolant doesn't stay in the rad long enough to cool down. The whole cooling system just continues to build more and more heat.

On a stock ranger.. go back to the stock 190 or maybe a 180 stat. Don't go colder than this on a street driven ranger.


Trust me on this.. I'm a genuine expert in the subject.

Regards,
Rich
GREAT post yet again Rich. completely forgot about that.





How's your coolant look anyway? throw a gauge in that thing and find out.
Reply With Quote
  #12  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
i am going to change the coolant this weekend as well....right now i am running water and alil bit of coolant...
Reply With Quote
  #13  
Old 06-26-2008
Level I Supporter
 
Join Date: Aug 2006
Location: Durham, NC
Posts: 3,657
Quote:
Originally Posted by wydopnthrtl View Post
A colder stat will stay open longer and if the heat is great enough.. it won't close. Then what happens is the coolant doesn't stay in the rad long enough to cool down. The whole cooling system just continues to build more and more heat.
Regards,
Rich
I agree with you on this if you weren't running a thermostat at all, that it will eventually overheat due to the flow rate through the radiator. However,
the opening size for a 160 and 195 thermostat will be the same, with the same flow through the radiator. The 160 will just open sooner than the 195.

We do agree that the OEM temp thermostat should be used.

Last edited by Takeda; 06-27-2008 at 05:20 AM.
Reply With Quote
  #14  
Old 06-26-2008
TXranger4x4's Avatar
Member
Thread Starter
iTrader: (1)
 
Join Date: Dec 2005
Location: McAllen, TEXAS
Posts: 287
i ran my truck last summer with no t-stat and it never over heated i put one 1 for the winter and it started over heating in the summer i just got done take out the t-stat when u live somewhere were it gets 110+ in the summer u will over heat cuz of any lil reason
Reply With Quote
  #15  
Old 06-26-2008
04 EDGE
Unregistered User
 
Posts: n/a
well if your not gonna listen to anyone that knows then why did you ask?

your truck is going to continue to overheat, and taking the thermostat out is going to make it overheat faster!

your truck is computer controlled, the PCM looks for proper engine temp then it determens how much timing to put into the engine and also how long to keep the fuel injectors open, all this is based on engine temp. its called "calibration" now if you were running a carborator then it would be different. i'd put a 195 back in and find the real problem.
Reply With Quote
  #16  
Old 06-26-2008
My05edge's Avatar
Member
 
Join Date: Dec 2006
Location: Midland, TX
Posts: 1,351
it gets that hot here, and i have the stock mechanical fan, stock thermostat, and i run the a/c on max all day long, i never overheat, my advice is-just go back to stock, as stated by 04 EDGE, its all contolled by the PCM, your truck know how to keep itself cool as long as you leave well enough alone.
Reply With Quote
  #17  
Old 06-26-2008
XeRo's Avatar  
Join Date: Feb 2008
Location: Here, Now...Ohio
Posts: 0
that's the whole problem, well enough is never well.............enough......
Reply With Quote
  #18  
Old 06-26-2008
D.
Unregistered User
 
Posts: n/a
I run a 160degree T-Stat with an External Temp sensor thats in the lower radiator hose ( I believe ZaBeard has his running as well ). Never overheated.. YET. Don't think it will either.
Reply With Quote
  #19  
Old 06-27-2008
Level I Supporter
 
Join Date: Aug 2006
Location: Durham, NC
Posts: 3,657
Quote:
Originally Posted by D. View Post
I run a 160degree T-Stat with an External Temp sensor thats in the lower radiator hose ( I believe ZaBeard has his running as well ). Never overheated.. YET. Don't think it will either.
I would not think you would want a temp sensor in the lower radiator hose, that is going to be the coolest location in the entire cooling system. Where the coolant exits the engine at the thermostat will be the hottest, that's where the temp sensor needs to be. A 160 thermostat is way too cool!

Last edited by Takeda; 06-27-2008 at 05:32 AM.
Reply With Quote
  #20  
Old 06-27-2008
wydopnthrtl's Avatar
Member
iTrader: (2)
 
Join Date: Dec 2005
Location: SE, Mi
Posts: 2,342
Quote:
Originally Posted by Takeda View Post
However, the opening size for a 160 and 195 thermostat will be the same, with the same flow through the radiator. The 160 will just open sooner than the 195.
Hence my point Bob. When the stat is open all the time.. the coolant does not reside in the rad long enough to cool down.

The stats passages are not the issue. The coolant constantly moving is.

Rich
Reply With Quote
  #21  
Old 06-27-2008
Level I Supporter
 
Join Date: Aug 2006
Location: Durham, NC
Posts: 3,657
Quote:
Originally Posted by wydopnthrtl View Post
Hence my point Bob. When the stat is open all the time.. the coolant does not reside in the rad long enough to cool down.

The stats passages are not the issue. The coolant constantly moving is.

Rich
Sorry Rich, you are totally wrong! The flow rate DOES NOT increase the longer the thermostat is open!!! It is in fact the thermostat opening size (along with engine RPM) that determines the flow rate through the radiator!
This is why NO THERMOSTAT will cause an over-heating condition! And, as D has posted, he has never had an overheating problem with a 160!

Last edited by Takeda; 06-27-2008 at 11:42 AM.
Reply With Quote
  #22  
Old 06-27-2008
D.
Unregistered User
 
Posts: n/a
Quote:
Originally Posted by Takeda View Post
I would not think you would want a temp sensor in the lower radiator hose, that is going to be the coolest location in the entire cooling system. Where the coolant exits the engine at the thermostat will be the hottest, that's where the temp sensor needs to be. A 160 thermostat is way too cool!
For once, don't be a.. TRY and think WHY someone would want to do such?

The factory sensor measures what? The one in the lower hose measures what?

WOW! Someone would actually be able to tell if their cooling system was WORKING! My exhaust is quite nice in tone and hides the E-fans volume/noise/sound. There needs to be a way to tell/monitor whats going on. Its wise to protect ones investment when they have a few grand into their mill.
Reply With Quote
  #23  
Old 06-27-2008
Level I Supporter
 
Join Date: Aug 2006
Location: Durham, NC
Posts: 3,657
Quote:
Originally Posted by D. View Post
For once, don't be a.. TRY and think WHY someone would want to do such?

The factory sensor measures what? The one in the lower hose measures what?

WOW! Someone would actually be able to tell if their cooling system was WORKING! My exhaust is quite nice in tone and hides the E-fans volume/noise/sound. There needs to be a way to tell/monitor whats going on. Its wise to protect ones investment when they have a few grand into their mill.
If one wants to protect their mill, you would think they would run the proper thermostat!!! Known fact that engine wear increases with a thermostat as cold as 160!! And with the reliability of e-fans, I can see why you need to monitor it (them) closely!!
Reply With Quote
  #24  
Old 06-27-2008
Level I Supporter
 
Join Date: Aug 2006
Location: Durham, NC
Posts: 3,657
Quote:
Originally Posted by wydopnthrtl View Post
Hence my point Bob. When the stat is open all the time.. the coolant does not reside in the rad long enough to cool down.

The stats passages are not the issue. The coolant constantly moving is.

Rich
Rich, I sent the following question to Stant:

Are you aware of any vehicle cooling system that requires the thermostat to close to allow heat transfer time in the radiator?

Stant's response (Chris Hoffman):

Not aware of anything like that.
Reply With Quote
  #25  
Old 06-27-2008
04 EDGE
Unregistered User
 
Posts: n/a
bob, dont be stupid!

please go away.
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Why is my truck over heating Hoytbowhunter General Ford Ranger Discussion 4 04-08-2011 02:53 PM
over heating 97-4x4ranger General Ford Ranger Discussion 1 06-29-2010 07:10 PM
wont stop over heating MikeyFord3 2.3L & 2.5L I4 Tech 6 08-09-2008 04:25 PM
Radiator, Over heating, door ajar light, dome light, cranking issues bspivy 2.3L & 2.5L I4 Tech 10 10-28-2007 01:41 PM
2003 Taurus - Heating/Cooling Fan Question - Need help quick - Bob? mental ambiguity General Technical & Electrical 11 07-05-2006 09:32 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 08:56 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.