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Old 06-22-2016, 09:52 AM   #1
FCO
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Things Come in 3's - Loss of Steering/Coolant Leak/Clanking from Engine

I hope it's over! They say things come in 3's. Here are my 3 things for June:

1. Loss of Steering - Driver side Bell Crank Ball Joint came off (fixed)

2. Coolant Leak - Leaking Coolant from nut on sight glass of coolant reservoir (ordering parts should be fixed Monday). Started to leak on route home from item 1 above.

3. Clanking from Engine - Started coach up to take to service center to fix Coolant Leak above. Awful clanking noise coming from engine (ISX15). Called Newmar. Called Spartan. Called Cummins (Cummins rep was a JERK!). Called Transwest (I purchased coach from them). Transwest sent Patrick (Mobile Service Truck) out to take a look. Patrick looked at everything. NO service code, No check engine light, nothing. He hooked up his computer to the diagnostic plug, everything looked good. Checked with Cummins and sure enough, Cummins was aware of this problem. My ECM needed the latest software revision according to Cummins. My ISX15 was at revision .10 and the latest is .33. We upload the latest software revision and the Clanking is gone! Amazing! Why did it start at 12k miles? Why was the fix so easy? Why was my engine ECM, 23 revision from the latest revision?

I hope this is it! We are hopefully on the road again next week.
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Old 06-22-2016, 10:22 AM   #2
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I wouldn't be too happy with Cummings or Newmar. Over that software revision. Has that chassis been sitting around that long? Why wouldn't Newmar upgrade to the newest revision prior to delivery?
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Old 06-22-2016, 10:33 AM   #3
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Versions are not necessarily distributed. It is a way to keep track of changes to the software.

I was recently at Freightliner for another issue and as part of the service they upgraded the ECM software. The mechanic says it is prudent to take it in every couple years for an upgrade. Since I am on the Cummins site and they have my service records I am going to see if I can keep track of the current version on the engine and any upgrades that have been released.
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Old 06-22-2016, 10:36 AM   #4
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The cummins revisions don't necessarily mean you missed 23 prior updates. When cummins modifies the ECU programing they may make multiple changes at once with each tweak or change getting a number. It is entirely possible the mod to the ecu program just came out recently and includes 23 "Tweaks".
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Old 06-22-2016, 10:39 AM   #5
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Quote:
Originally Posted by FCO View Post
I hope it's over! They say things come in 3's. Here are my 3 things for June:

I hope this is it! We are hopefully on the road again next week.
That's only in standard, in metric it's 4. Check to see if you have metric bad luck!

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Old 06-23-2016, 10:00 AM   #6
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Maybe #3 is winning the lottery. Buy a ticket!
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