Runs cooler with a/c on? - Ford Powerstroke Diesel Forum

 
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post #1 of 3 Old 02-22-2012, 08:46 PM Thread Starter
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Runs cooler with a/c on?

So my trucks EOT and ECT are about 215*. Today I drove to work with the a/c on temps got up to 190* and never went any higher. Do you guys have any idea why it would run cooler with the a/c on?

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post #2 of 3 Old 02-22-2012, 09:02 PM
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If your ECT is getting to 215, it sounds like you need a new thermostat. 190 is where it should be. Could've been the thermostat came unstuck or the fan engaged more due to a/c but nonetheless 215 is too hot.

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post #3 of 3 Old 02-22-2012, 09:04 PM Thread Starter
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Quote:
Originally Posted by jtk27 View Post
If your ECT is getting to 215, it sounds like you need a new thermostat. 190 is where it should be. Could've been the thermostat came unstuck or the fan engaged more due to a/c but nonetheless 215 is too hot.
Well I'm hoping it's something simple like that. I'll be doing a flush and adding ELC coolant and a new thermostat this weekend.

2006 Ford F-250 Super Duty XLT 4X4
6" Pro Comp Lift
Diamo DI-8 20" Wheels
Falken WildPeak Tires A/T
Edge CTS w/ EGT Probe
XDP Coolant Filter
HID Headlights
SCT Performance Tune
4" MBRP Turbo Back Straight Pipe

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