High Deltas EOT/ECT after oil cooler replacement - Ford Powerstroke Diesel Forum
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post #1 of 44 Old 07-31-2012, 10:47 AM Thread Starter
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High Deltas EOT/ECT after oil cooler replacement

I have searched and searched and even read through the 54 page thread about this and havent found what i need to know.

I did a full "flush and fill" then did chemical flushes with restore and restore plus prior to beginning any work. used 30 gallons of water.

I replaced the oil cooler (oem), thermostat (oem), oil (amsoil) and filter (motocraft), and coolant filter (napa). Using Cat 1 ELC zerex.

Problems:
1. Oil filter housing doesn't drain oil (maybe unrelated)
2. ECT is around 190-192 with EOT up to 210-215. cruising at 65mph.
3. Pigtail for oil temp sensor has copper showing. Ill post a pic when yahoo decides to work.

Any ideas why my oil temp is 20*+?


2008 ECLB FX4 all stock
Planning on: Spartan, full 5", EGR delete, 6"on 37's
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post #2 of 44 Old 07-31-2012, 10:58 AM
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Your drain valve in the housing is bad if it doesn't drain.

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post #3 of 44 Old 07-31-2012, 11:01 AM Thread Starter
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Quote:
Originally Posted by Jarrod B View Post
Your drain valve in the housing is bad if it doesn't drain.
When I had it apart it was opening and closing like it should, I also sprayed it clean and it was draining out of the valve.


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Planning on: Spartan, full 5", EGR delete, 6"on 37's
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post #4 of 44 Old 07-31-2012, 11:21 AM Thread Starter
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post #5 of 44 Old 07-31-2012, 12:02 PM
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It would be good to redo that pigtail tho.


But there has to be a oil flow restriction somewhere.


Or not enough coolant making it to the oil cooler.

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post #6 of 44 Old 07-31-2012, 12:26 PM Thread Starter
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Ya that's what I was thinking. I cleaned both filter housing and cooler housing and checked all holes and passages.


2008 ECLB FX4 all stock
Planning on: Spartan, full 5", EGR delete, 6"on 37's
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post #7 of 44 Old 07-31-2012, 05:51 PM Thread Starter
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I don't want to say it but is it possible the new oil cooler is bad? I have drove less than 100 miles so far.

Ill double check and make sure the sensors read close to each other in the morning. I got the pigtail taped up for now (until I can find the right one since ford doesnt list it)


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post #8 of 44 Old 08-01-2012, 04:05 AM Thread Starter
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Talked to another member with the same problem other than even higher temps. For him it was bad oil cooler from ford an his radiator had 5* diff from top to bottom (got clogged in the flush).


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post #9 of 44 Old 08-01-2012, 04:20 AM
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I guess that is possible. I just haven't heard of a bad cooler before.

Now how to tell Ford their cooler is bad idk.

Mine is under 10* hwy and I did mine like almost 2 months ago.

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post #10 of 44 Old 08-01-2012, 04:20 AM Thread Starter
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Sensors read within 3 degrees of each other after sitting overnight.


2008 ECLB FX4 all stock
Planning on: Spartan, full 5", EGR delete, 6"on 37's
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ect , eot , high temp , oil cooler , replacement

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