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Old 06-16-2015, 12:12 PM   #1
2 Rivet Member
StarLord's Avatar
2008 23' International
1979 28' Airstream Excella 28
Pinson , Alabama
Join Date: Jun 2015
Posts: 22
New Radiator

Anyone have a radiator source for a 1979 Excella Motorhome? I need to locate one as quickly as possible. Measures 36" long by 20" wide. Part number would help if u know one! Help please !!!

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Old 06-16-2015, 02:19 PM   #2
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1982 28' Airstream 280
Redwood City , California
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You won't find one have the old one recored.

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Old 06-16-2015, 03:00 PM   #3
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1975 20' Argosy 20
Chestfield , Kent
Join Date: Mar 2014
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New Radiator

[QUOTE=dadstoy;1637882]You won't find one have the old one recored /QUOTE]

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Old 06-19-2015, 05:38 PM   #4
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1983 31' Airstream310
Iowa City , Iowa
Join Date: Aug 2006
Posts: 230
'83 310 with pinhole leak on top of top tank...

We are on the road until the last week in July and I just found a small leak when we stopped after a couple hundred mile drive. It's on the top of the top tank but I can't actually see the surface of the tank-it's kind of behind the radiator mount hoop. Hoses are like new and there's no sign of loose clamps. There's dried coolant running down the fan side of the radiator on the driver side of the coach. Definite stain coming from the very top of the radiator. A small amount of stain on the front of the top tank also but very little.

One thing, I understand there's no point in running risk by trying Stop Leak; it would not probably reach a leak in this location anyway. I plan to keep traveling, check it frequently, and carry plenty of spare coolant.

The other thing is, do you know if a radiator shop can repair a tank leak?

Reason I ask, is that I can't find anyone's comments about a leak and repair in that location, it's always about core leaks.

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Old 06-20-2015, 06:07 AM   #5
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1995 36' Classic 36
Ludington , Michigan
Join Date: May 2011
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New Radiator

Most leaks can be repaired. Quite often they are caused in these aging vehicles by erosion which can just be the tip of the iceberg. Sometimes they are mechanical fatigue. I just repaired a small crack around the inlet tube seam. Rest of the radiator looked fine. Worst case, the tanks can usually be removed and the core replaced. If you can't find an exact replacement you might find one that will work with a little modification to the radiator or mounting. You have to know what you are looking for from a performance standpoint. You can often add some cooling capacity.

A good radiator shop should be able to help you out.
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Old 06-20-2015, 07:25 AM   #6
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1974 20' Argosy 20
Richmond , Kentucky
Join Date: Jan 2003
Posts: 6,731
The odds are a small weep like you're experiencing shouldn't be an issue for you. But the worst part is you will most likely have to remove the radiator to fix the problem and that's not exactly a fun task. If you have to have it repaired while on your trip be prepared for a several day stay while the radiator is being removed, repaired and reinstalled.

You best bet is to nurse it until you get home and you have time to do the repairs without a time crunch.

Good luck and keep us posted.

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1974 20' Argosy Motor Home
1974 31' Excella trailer (parting out, as of 4/1/2015 I have wheels, brake drums, windows & holding tanks left to sell)
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Old 06-20-2015, 01:03 PM   #7
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1995 36' Classic 36
Ludington , Michigan
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If you are going to "nurse" it home, you might want to replace the cap with a lower pressure cap like 7 psi.

Only thing worse than spending a couple days getting it fixed is dealing with a blowout in hot condition somewhere between Crawford junction and Homer Pass. 😤
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Old 06-21-2015, 06:59 PM   #8
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1985 32.5' Airstream 325
Lindsay , Ontario
Join Date: Aug 2010
Posts: 398
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Try a couple of teaspoons of ground black pepper. It worked for me with a similar leak got me home. Good luck

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