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Bota,
Welcome to the FTE website. Lotsa info and help to be found here. I've got the same truck so I'm very interested in your progress. Good luck with the new truck. It'll run like a scalded cat when you get done with it. My buddy loves my truck and he drives a 2010 SD
This being my first diesel, it seems to run good now. I am just a believer that ounce of prevention is better than a pound of cure. LOL, open truck surgery isn't what I had in mind in my first 10 days of ownership. Thanks for the info everyone, as a diesel newbie I'm sure I'll be a regular.
82 degrees out today and it ran 225 EOT and 198 ECT only need 3 more days out of her.
If you ect only reaches 190-194 and you cant get it higher your oil cooler is very clogged. Dont tow and you will be fine as 225 eot wont hurt anything.
I assume you have never flushed the oil cooler?
Correct, I have only owned for a little over a week. I will give it a proper going over this weekend.
if he can't get ECT over 190, his thermostat is NFG nothing to do with oil cooler. new thermostat should fully open at 215 or higher
Wrong! I would bet $1000 the OP's thermostat is fine. Please explain why you think its not.
Bota's truck is doing exactly what mine did and tons of other trucks have done with a clogged oil cooler, here is how the 6L works.
There are two passages in the oil cooler. One for oil to flow thru, one for coolant to flow thru. In a properly functioning system with good flow on both sides these two fluids stay within 15 degrees of each other.
You will read lots of postings on FTE asking what your delta is. This is the difference between the two fluid temps. Ford states that anything over 15 degrees delta is out of spec and in need of repair.
In a properly functioning system with a truck at operating temperature, the oil is able to dicipate heat by passing thru the oil cooler which has coolant flowing thru it. The coolant absorbs the heat causing the coolant temp to rise.
In a clogged system. The oil flows thru the oil cooler just fine, but the coolant side gets clogged and there is little to no coolant flow thru the cooler to dicipate the oil temp.
With the oil unable to raise the coolant temp in the oil cooler and the rest of the cooling system working fine the coolant temp will stay right around 190 while the oil temp can climb to 270+
190 is a little on the cool side but not bad. Most trucks seem to run in the 194 to 204 range. 215 is wide open when it can't keep up with the cooling. If mine was consistantly in the 190 range I would plan on changing the t-stat at the next flush. The warmer within reason the better for fuel economy and performance.
To expand on what 69 was saying. The thermostat fully opens at 210 or slightly higher. The fan fully engages at 220. The system is not at full capacity until the temperature doesn't level off with the fan at full load. Anything less than fan at full speed and temp continuing to climb is OK. While the oil cooler does transfer heat to the coolant it is absolutely categorically not intended to "warm up" the coolant. Get out your checkbook or PayPal. Me the 1000. Make it in Canadian funds(: easiest money I ever made
if he can't get ECT over 190, his thermostat is NFG nothing to do with oil cooler. new thermostat should fully open at 215 or higher
The OP can change out his thermostat and it wont fix squat! If you think that would fix anything I have some ocean front property here in IL to sell you. lol
Your post is vague and suggests no solution to help the posters issue. If you are just here to troll and have fun with me that is fine as I can always use the entertainment
Please suggest how you think the OP should address the issues with his truck. If your suggestion is a $5 thermostat swap, let the OP try it. I'm confident it wont fix a thing. Why, because my mechanic went with that fix first with mine and it didnt do squat.
Good luck to the OP, sorry your thread is so full of bad info.
If the OP was close to me I would have him come over and flush his oil cooler for him and have him post the temps.....EOT goes down, ECT goes up.....its just that simple
I did already(change the thermostat )looks but I was overridden. Y the expert. ###d***it all those years I thought the thermostat controlled the water temp now I find out the oil cooler does it.
I suspect that after changing the thermostat his coolant temp will come up a bit and his oil temp will stay the same. His delta will come down. I don't think he has any real issue
I did already(change the thermostat )looks but I was overridden. Y the expert. ###d***it all those years I thought the thermostat controlled the water temp now I find out the oil cooler does it.
Not sure where I said the oil cooler controls the water temp. What I said was with a clogged oil cooler the water temp will never get high enough for the thermostat to matter (staying in the 188-194 range).
If the OP can fix his truck with a cheap thermostat, I will eat crow and admit I was wrong. I am just confident that I am not, as I have already been down this road with my truck. Sorry if you cant handle criticism, I am just trying to help the guy out.
So are you saying the OP shouldn't have ordered a EGR cooler and oil cooler? Cause if he could fix his truck with a simple thermostat swap, that would be awesome for him and a huge cost savings.
Changing the thermostat wont help his ECT is within spec 190* ect is fine 190* ECT is what the thermostat is rated for and its Ultimate GOAL is trying to hold the Coolant at that temp
Its the ECT & EOT spread thats out and the only thing controling this is the Oil Cooler
Iv seen lots of trucks come threw here with a Bad thermostat will say 175* for sake of conversation and also a 30* ECT vs EOT Deltas. they change thermostat and it brings ECT to 190* but the Delta of 30* will remain the same
Best of luck getting the truck repaired as quickly and cheaply as possible, as non of us like seeing or hearing about a fellow Powerstroke owner having troubles.
My appologies to nitrogen and 69CJ or any others my comments ticked off! Have a virtual cold one on me!