Lost in high temps
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Freshman User
Joined: Nov 2011
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From: Medford
Lost in high temps
My oil temp was getting to 216 last fall and the wrench light came on, my mechanic did a flush to see if it would help........it didn't, so he replaced the oil cooler 14,xxx miles ago. Since then my egr valve got stuck open, cleaned it put new o-rings on and it seems to be working fine and a new upper charger cooler hose. So now when I'm driving around town my ect runs about 182 and my eot is around 190, when I'm on the highway for more than twenty miles my ect get up to 186 and my eot runs about 213. I use motorcraft gold coolant and distilled water. Motorcraft oil fillter and rotella oil. Thanks for reading
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Joined: Jun 2006
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ECT is low, may need a thermostat. And your ect/eot delta is way too high. For reference, my ect/eot delta around town is 190/194. On the highway it runs 191/198. Those numbers are unloaded. Seems to me you have something wrong on the oil cooler side. Maybe the flush didn't get everything out and plugged the new cooler. Some more help will be along soon with other opinions.
Posting Guru
Joined: Nov 2012
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Before you start pulling out yer hair replace the thermostat and see if it doesn't bring your deltas closer together. You want to stay below 15 deg difference. 10 deg is nice. 5 to 8 even better.
If it doesn't get better then a new oil cooler may be needed after all.
If it doesn't get better then a new oil cooler may be needed after all.
Postmaster
Joined: Jan 2005
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From: BC Canada
Before you do a new oil cooler, you need a coolant filter pand then run the vc9 including remove thermostat, remove block plugs and the full deal I think. I don't think there is a way around it. You may NE able to back flush the cooler and save it in the process. Maybe to start do the thermostat and a coolant filter and see what you get from that. When I did my flush it was after running a coolant filter and despite not seeing much in my filter after, it looked to help. I don't know what else to telly a sorry.
Hotshot
Joined: Apr 2010
Posts: 19,055
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From: Saratoga Springs,UT
Your Mechanic DID NOT Flush worth a Crap when he Changed the Oil Cooler
Most Likly only a SPIL-N-Fill regaurdless what you Paid him for See this Often you went just enough Miles to Kinda forget about it and then BAM!!!!!!Plugged
Your Numbers after the 20 minutes drive are NO Good I suspect you need a New Oil Cooler or its Plugged anyway
Maybe its new enough you Might get Away with Flushing the Oil Coooler itself
If you Have a Square EGR Cooler Dont POP It there Weak
Most Likly only a SPIL-N-Fill regaurdless what you Paid him for See this Often you went just enough Miles to Kinda forget about it and then BAM!!!!!!Plugged
Your Numbers after the 20 minutes drive are NO Good I suspect you need a New Oil Cooler or its Plugged anyway
Maybe its new enough you Might get Away with Flushing the Oil Coooler itself
If you Have a Square EGR Cooler Dont POP It there Weak
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
Before you do a new oil cooler, you need a coolant filter pand then run the vc9 including remove thermostat, remove block plugs and the full deal I think. I don't think there is a way around it. You may NE able to back flush the cooler and save it in the process. Maybe to start do the thermostat and a coolant filter and see what you get from that. When I did my flush it was after running a coolant filter and despite not seeing much in my filter after, it looked to help. I don't know what else to telly a sorry.
BINGO^^^^^
A coolant filter in your case is a MUST
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Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
Just remembered that a WaterPump/Front cover issues Can Lead to Coolant Flow Problems
These Flow Problems can Yeild your Exact Conditions that the Spread is more than the Ford spec of 15* apart with EOT Being the High Number And the Oil Cooler might be Good
So that raises more questions then Answers Sorrey
These Flow Problems can Yeild your Exact Conditions that the Spread is more than the Ford spec of 15* apart with EOT Being the High Number And the Oil Cooler might be Good
So that raises more questions then Answers Sorrey
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Freshman User
Joined: Nov 2011
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From: Medford
The news might not be good but it's still helpful, I guess I'll order a new thermostat and coolant filter. Any suggestion on what coolant filter system?
Does anyone else spend a couple hundred a week just to keep it running?
Does anyone else spend a couple hundred a week just to keep it running?
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