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Old 12-03-2019, 07:58 AM   #15
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Location: 5 miles south of Lakeville, Mn
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I solved the over heating problem with out 02 Journey by installing a new radiator. Of course yours isn't that old yet but the core can become corroded inside and plugged up.

Now I have all the power I need with no heating at all no matter what I'm climbing.
Jim and Carol Cooper with Oreo the Kitty
US Army Aviation, MACV Vietnam 65-66
2012 Journey 36M, Cummings 360hp
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Old 12-03-2019, 11:40 AM   #16
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Originally Posted by Blueseeker View Post
Wow!, this is a lot of great info for us!! We actually didn’t take into consideration, the weight differences and know that would make sense. We have had the radiator blown/cleaned three times in reference to the over heating and seemed to help. We are the second owners of this rig and only recently found out it had a secondary fuel filter underneath the coach?!(odd)
That was replaced for the first time and made a notable change in acceleration.
The comments here have given us great information to really think about our current coach, (we really love it) and love that it’s a mid entry DP. We know how much we’ve put into regular service ($$)
So, more thought process is in order[emoji106][emoji4] .
Are you on a Freightliner chassis? If so, do you have a Cat or Cummins? If you have a Cummins ISB, you may have a failing Horton Fan Clutch. The units are known to fail and will cause intermittent overheating. There are several threads on this forum about the issue. I just had my fan clutch replaced this summer and it has made a drastic difference.
2009 Discovery 40X
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