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Old 11-14-2021, 05:40 PM   #15
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Perhaps compressed air blown under the lip of the hose might help break it loose. After that you could use a spray lube.
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Old 11-14-2021, 05:49 PM   #16
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no sane person would ever want to remove it
So are you one or not?
It sounds like you have tried all the tricks I would if I were in your predicament.
Sometimes it gets frustrating but perseverance will get you through. Stay calm and focused. Been there and done it.
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Old 11-14-2021, 08:21 PM   #17
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Just cut the thing off!
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Old 11-16-2021, 05:43 PM   #18
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nope, not sane ... or at least that's what the DW frequently opines. Of course, she thinks money grows on trees.

Ok, persistence ... and a sharp knife ... pays off. I managed to get almost clear, but too much drag from the piping finally annoyed me ... I cut one connecting hose ... so no big loss.
Guessing 75 or 80 pounds of very awkward CAC finally extracted with an absolute minimum of extra damage.
Now to find out if it can be repaired ...
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Old 11-17-2021, 08:14 AM   #19
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Congratulations !

Remember to do your comparison shopping with Mr. Google.


When I replaced my radiator there was about $500 spread depending on who I bought it from.
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Old 11-17-2021, 08:21 AM   #20
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Wahoo!
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Old 11-24-2021, 12:48 PM   #21
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ok ... time for an update:

After far too many hours, I managed to extract the CAC and took it to the nearest shop (75 miles) that handles both radiators an air coolers. After 2 days, the tech called and asked how I established that the cooler leaked as his pressure tests found NO leakage.
Sigh.
Back to the coach and start examining the rest of the system and almost immediately found that the radiator was the leaker ... there was about a gallon of coolant left in the system.
So ... picked up the CAC and dropped off the rad. Now waiting to hear if its repairable.

Trying to get everything together ready for reinstallment ... only thing I know I need to replace at this point is the one air hose connector. 4" rubber hose 8" long with 3 steel wires in the center. Can't find any of the piping info on Cummins Quickserve so I'm guessing they consider piping and rads as non-engine (customer supplied). Anyone have an idea where to procure?
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Old 11-24-2021, 01:39 PM   #22
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All piping for radiator, CAC and any other attachments would be by the chassis builder. Cummins builds only the bare engine. Most any heavy duty truck repair shop should be able to supply the hose. It is a very common item.
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Old 11-24-2021, 11:45 PM   #23
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Here's your hose.

https://www.intakehoses.com
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Old 11-25-2021, 09:09 AM   #24
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Awesome, Harry, thanks ... never figured out what my search term should be. "hump hose". Went from nothing to a huge number of possibilities. Got one on it's way.
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