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  #31  
Old 12-08-2012 | 08:23 AM
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Originally Posted by mustang_309
One thing to also consider when looking at temp gun readings vs temp probe readings is the probe is actually in the fluid where the temp gun is reading the material between the actual liquid and the gun itself and some energy has already been given up through heat tranfer. If this has already been pointed out in this thread i apologize and will learn to read better
I agree, I think the only good use for a infrared heat gun is to tell the operator. Yes it is hot! Yes it will burn you, but to make critical decisions from it would not be wise in this application
 
  #32  
Old 12-08-2012 | 08:28 AM
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Originally Posted by mustang_309
One thing to also consider when looking at temp gun readings vs temp probe readings is the probe is actually in the fluid where the temp gun is reading the material between the actual liquid and the gun itself and some energy has already been given up through heat tranfer. If this has already been pointed out in this thread i apologize and will learn to read better
We've hinted at that, but not specifically stated as such. At any rate, all comments welcome anytime. Another aspect of this that occurred to me today, is that the ECT never changed from its normal range despite being very low on coolant. The EOT changed a lot. Also, at highway speeds I used to run around 200 on ECT and now just 192ish. If the coolant temp monitor did not react properly and the oil temp monitor did, then the "delta" would be higher than normal. So, the problem MIGHT be the coolant temp monitor.
 
  #33  
Old 12-08-2012 | 01:39 PM
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For the record, I just did 1.5 hrs on the interstate at 75 mph unloaded and the delta was 14 or 15 the entire time. This is technically within normal limits per Ford, so I officially don't have a problem. I will continue to watch this non problem like a hawk.
 
  #34  
Old 12-08-2012 | 02:09 PM
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ya I read that last Night and saw you just put a new Oil cooler in

And if you have that big of spread Already on a New Oil Cooler you got Problems

Be it the Oil Cooler or a Temp sender everything I read in hte other thread pointed to sensors are OK and Oil Cooler junked again

Was the truck Cooling system flushed Prior to the new Oil Cooler??????
 
  #35  
Old 12-08-2012 | 04:17 PM
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He was supposed to, and said at the time that he did. I agree that resludging APPEARS to be the issue. However, 14-15 is less than "no more than 15" so Ford would say normal, but just barely. Also, it ran 11-13 typically as soon as I got it back from the stud job. Finally, I have a coolant filter in place and, after the first 500 miles with the filter, a saws-all job on the filter showed essentially no sludge. If it doesn't hit the filter it shouldn't be in the oil cooler either, right?
 
  #36  
Old 12-08-2012 | 05:46 PM
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Most shops that say they Flush do nothing more than Spill and Fill

was the Coolant filter installed Before or After the New Oil Cooler

If everything is Done correct and No sensor Issues I would Expect single Digit Numbers for ECT and EOT spread with a New Oil Coooler
 
  #37  
Old 12-08-2012 | 06:21 PM
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Originally Posted by BLADE35
Most shops that say they Flush do nothing more than Spill and Fill

was the Coolant filter installed Before or After the New Oil Cooler

If everything is Done correct and No sensor Issues I would Expect single Digit Numbers for ECT and EOT spread with a New Oil Coooler
Filter was before new cooler. I too was disappointed by the initial numbers being double digits. No one seems to pick up on the fact that the ECT did not go up at all while the EOT went past 225 due to low coolant. I had to add a half gallon of coolant to get it back to 1" below the min line. Is this not significant of something?
 
  #38  
Old 12-08-2012 | 07:29 PM
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Originally Posted by DieselVol
Hopefully you have by now and his is unnecessary, but I just replaced it since it was getting studs anyway. The other reason I replaced it was that the delta was consistently running 12-14 at hwy speeds and thus I figured it was about time anyway. Those temps improved very little despite the new cooler, often getting to 11-13. It got worse last week when the coolant level dropped due to the degas bottle hole. I'm about to leave to find out what it will do now.


I see maybe time to look at a Few other things like a Water Pump Flow Issue Just cause the Fact that Deltas did NOT Improve even Breifly after a New Oil Cooler

OEM Water Pump had Plastic Impellar and can have problems


Updated water pumps have Metal Impellar




Originally Posted by DieselVol
Filter was before new cooler. I too was disappointed by the initial numbers being double digits. No one seems to pick up on the fact that the ECT did not go up at all while the EOT went past 225 due to low coolant. I had to add a half gallon of coolant to get it back to 1" below the min line. Is this not significant of something?


I wonder if it Purged air out the cooling system from the Headstud Work????

Is it still Losing Coolant or Hold steady Now??????

Might be to Late Now but If you could Cut open the Old Oil Cooler that would Help a TON to see if it Pluged from junk or was Clean inside would lead to Possible Coolant flow Issue
 
  #39  
Old 12-08-2012 | 07:37 PM
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Originally Posted by BLADE35
I see maybe time to look at a Few other things like a Water Pump Flow Issue Just cause the Fact that Deltas did NOT Improve even Breifly after a New Oil Cooler

OEM Water Pump had Plastic Impellar and can have problems


Updated water pumps have Metal Impellar









I wonder if it Purged air out the cooling system from the Headstud Work????

Is it still Losing Coolant or Hold steady Now??????

Might be to Late Now but If you could Cut open the Old Oil Cooler that would Help a TON to see if it Pluged from junk or was Clean inside would lead to Possible Coolant flow Issue
Degas bottle had a hole and has been replaced. No leak now. Old cooler is long gone. I would think that both the ECT and EOT would go up with low coolant, but that ain't what I got.
 
  #40  
Old 12-08-2012 | 07:44 PM
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Originally Posted by DieselVol
Degas bottle had a hole and has been replaced. No leak now. Old cooler is long gone. I would think that both the ECT and EOT would go up with low coolant, but that ain't what I got.



Right but if the Coolant Temp sender isnt imersed in Coolant then it reports Wrong
 
  #41  
Old 12-08-2012 | 08:05 PM
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Originally Posted by BLADE35
Right but if the Coolant Temp sender isnt imersed in Coolant then it reports Wrong
Absolutely - this has happened to more than a few folks!
 
  #42  
Old 12-08-2012 | 08:10 PM
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Originally Posted by BLADE35
Right but if the Coolant Temp sender isnt imersed in Coolant then it reports Wrong
Hmmm, well that makes sense. It's swimming in coolant now. Today's data is my first sample on the interstate. Driving around town, the delta is usually 6-8. My plan for now is to just watch it and see what happens for the next several days, or until it declares itself. I appreciate your help, and if you think if anything else, let me know.
 
  #43  
Old 12-08-2012 | 08:20 PM
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What Type Coolant is in it????

Hope coolant is Not Green!

Ford Gold or a Properly Rated ELC is Fine

I know you have a EGR Deleate so there is alittle room for Play in the Deltas (But you still need Cooled Oil IMO) but its Not as Criticle

Is your EGR Valve still installed and plugged in????

If I was in your shoes here the next thing that I would check would be the Water Pump and check the Front cover for Cavitation a Coolant flow issue will also cause high EOT


Also swap them sensors ECT and EOT see what you get might also be worth checking the Wires from PCM to the Sensors to
 
  #44  
Old 12-08-2012 | 08:35 PM
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Originally Posted by BLADE35
What Type Coolant is in it????

Hope coolant is Not Green!
It may be. He said he gets good results with "the regular kind". What will that do? I had the gold in it prior to the studs.
Ford Gold or a Properly Rated ELC is Fine

I know you have a EGR Deleate so there is alittle room for Play in the Deltas (But you still need Cooled Oil IMO) but its Not as Criticle

Is your EGR Valve still installed and plugged in????
I'm told the the EGR is not necessary for a 2003, and Matt of SCT tuning fame seems to agree from our previous conversations.
If I was in your shoes here the next thing that I would check would be the Water Pump and check the Front cover for Cavitation a Coolant flow issue will also cause high EOT


Also swap them sensors ECT and EOT see what you get might also be worth checking the Wires from PCM to the Sensors to
I think I'll do the sensors since I can do that myself.
 
  #45  
Old 12-08-2012 | 08:38 PM
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Sorry, my answers are in the quote. Tried to be cool and break it up like I've seen done, but epic fail.
 


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