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C-15 coolant disppearing
#21
(10-31-2017, 01:44 PM)Nebster Wrote: I will follow up separately on my plans for a much quieter remote radiator fan design for the generator.  For now, though, we have to scurry off to Miami for a whole slew of remodeling and other work.

We'll probably see you at Miami for we will be getting there on Thanksgiving for a month of warranty work.  Sounds like you are planning on having your coach there for a while!
Oscar & Janet Valent
Full timing
2007 Newell Coach #815
2015 Jeep Grand Cherokee Summit
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#22
(10-31-2017, 01:44 PM)Nebster Wrote: Okay, today Newell 1234 is finally out of the shop!

It turns out both the rad and CAC had leaks at the header (I think that is the right word), and since the labor cost along to remove and replace going to be > $4k, I decided to recore both units.  It got a little more complicated when the local radiator shop decided to punt on welding up the new CAC -- something about aluminum, mismatches, and not wanting to "be responsible" -- so I had to ship the CAC headers out to Joplin and have them order and install the new CAC.

The radiator was welded up here, and then when the CAC+headers came back, everything was reassembled and reinstalled.

Having had a bunch of conversations with different radiator companies now, my conclusion is:  no one understands why they are so poorly engineered, but these radiators fail a lot on a 7 to 10 year interval.  I guess I will just have to hope that I don't have to worry about this for another decade.

New CAC core, installation, shipping:  2.86 AMU
New rad core, shipping, installation:  1.8 AMU
Chassis removal, diagnosis, reinstallation:  ~5 AMU

They said they could do it again in about half the time, or 2.5 AMU.

So if you have a failed cooling stack on a C-15 Newell and want to replace everything at an expensive shop that hasn't done it before, I suppose you should expect to spend about 9 or 10k.

I will follow up separately on my plans for a much quieter remote radiator fan design for the generator.  For now, though, we have to scurry off to Miami for a whole slew of remodeling and other work.


i replaced my RAD & CAC on my 04 2 1/2 years ago with new Atlas components which were what was orginal. Rad is now leaking again and I am using Vol Radiator in Knoxville, TN who have record with there own core. They advise against trying to fix the leaks in the header because they said it was not a heavy duty design and they thought that a fix would only be short time. They told me the header thickness and design was not like most heavy duties radiator that they see.  I paid them $3800 for the installing the new core. Moore Tractor Repair did the removal and install. With my 96 & 04 RAD & CAC I have had out 4 times. This has been one of the most expensive Items I have replace on both coaches. I hope this is the last time this happen.
1996 #422 and 2004 #689 with YELLOW Goldwing, BMW K1200S, RZR, Dodge Truck

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#23
(10-31-2017, 04:31 PM)valento Wrote: We'll probably see you at Miami for we will be getting there on Thanksgiving for a month of warranty work.  Sounds like you are planning on having your coach there for a while!

Oh, that'd be great!  Our coach will definitely be there, starting next week through probably the new year.  We will have a lead time for some of the items, and plus I'm in no particular hurry.  We won't be hitting the road in the coach until next summer.

Hopefully we'll run into each other!
2008 Newell #1234
Boulder, CO

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#24
Interesting, yes, I also had several radiator people tell me that they didn't suggest trying to repair based on the size and scale of my leaks.  There must be something about the different types of metal there plus the mechanical or thermal stress just causing trouble.

I would have thought this would be a solved problem, but maybe it is in a newer design or something.  The radiator on mine was originally made by Positech, and Positech was able to bring up the design in their computer and was willing to make another one on demand.  I didn't end up going that route, however.

If I have problems with this new one over the next few years, I will be pretty frustrated.  As much because of the huge hassle and downtime to take it out as the cost.
2008 Newell #1234
Boulder, CO

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