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Old 10-19-2016, 05:21 PM   #1
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Coolant leak where heater hose and trans line touch

My Monaco Sig had a leak that happened right as I was pulling in to get an oil change.

I had smelled coolant then saw a small leak spraying out of a heater hose. Once we pulled the hose away I could see considerable wear from the hydraulic hose rubbing it. This was near the Driver's side rear wheel and could be seen from inside the wheel well.

If you have the 15 liter engine I would check these hoses ASAP.

I was very lucky, just starting our 1800 mile journey to race in Las Vegas and it would not have gone well if this happened on the road.
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Old 10-19-2016, 10:44 PM   #2
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60 series Detroit engine? That's what I have.


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Old 10-19-2016, 11:07 PM   #3
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Quote:
Originally Posted by Stretch View Post
60 series Detroit engine? That's what I have.


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Sorry, Cummins 15 liter is what I have. Not sure the routing is the same on DD15.
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Old 10-20-2016, 08:26 AM   #4
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Without a pic it's difficult to picture what you have.

That being said can't the heater hose be spliced with a steel hose splice like this where it's compromised and re-route it somewhat?

https://www.google.com/search?q=stee...43501947877264



and if it cannot be re-routed? ...perhaps cover the hydraulic hose or the heater hose with a larger piece of hose with some tie wraps to protect it and insulate it?

Happy Hunting
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Old 10-20-2016, 12:23 PM   #5
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Quote:
Originally Posted by RobRoy View Post
Without a pic it's difficult to picture what you have.

That being said can't the heater hose be spliced with a steel hose splice like this where it's compromised and re-route it somewhat?

https://www.google.com/search?q=stee...43501947877264



and if it cannot be re-routed? ...perhaps cover the hydraulic hose or the heater hose with a larger piece of hose with some tie wraps to protect it and insulate it?

Happy Hunting

That is what they ended up doing. 2 feet of hose and adapters so it could be repositioned out of the way.
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Old 10-20-2016, 01:16 PM   #6
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That works well if the hose is still pliant. Our coach is 10 or 11 years old. I worry about hard old hose becoming brittle.
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