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Old Dec 16, 2013 | 07:29 AM
  #1  
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MYWEIGH
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From: south florida
Hot Oil

I have a 08 F350 SD with 110,000 miles. I change the motor oil between 3000 & 3500 miles. I'm running KEM tunes with a K&S tuner. Driving yesterday I noticed the oil temp slightly unstable and ranging from 203 - 213 deg. For the past several years this truck never went over 203 deg. Is this a sign the oil cooler is going bad? and if so what's involved in replacing the cooler. Thanks in advance.
 
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Old Dec 16, 2013 | 08:06 AM
  #2  
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05F250DSL
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Did your coolant temps rise as well? Where u towing or working the truck harder than usual? The delta or difference between the oil and coolant temp is important if they both rose and are within 15* it's not critical. I would def keep an eye on it since it's out of the ordinary.
 
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Old Dec 16, 2013 | 08:30 AM
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MYWEIGH
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From: south florida
typically i run the truck around 75 - 80 mph. I was not towing which usually will raise it up to 205*. the coolant temp was normal and the outside temp was 78 - 81*
 
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