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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > Looking for Transmission cooler radiator 03 Diplomat

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jimj

Southern IN

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Posted: 09/06/20 08:08am Link  |  Quote  |  Print  |  Notify Moderator

I have developed a leak in the tank on the tranny cooler. I have had it welded twice so that isn't working very good. It is getting a crack in the tank in the same place and the weld isn't holding. I don't see any stress on it in that area but maybe the vibration is breaking it.

If anyone knows of a source for the older Monaco parts please let me know.

The radiator is 12" x 22" Aluminum and mounts on top and r side

I could try another weld job but would like to replace it.

Thanks for any help

JimJ 2003 Diplomat





MountainAir05

New Mexico

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Posted: 09/06/20 08:26am Link  |  Quote  |  Print  |  Notify Moderator

Source Engineering inc. Coburg, Or. rv-chassis.com 541.935.0308
OEM supplier for radiators and CAC's


Phillip Cochran C,G & J Inc Heat Transfer
Brice Thomas Radiator
256-546-4613 work
256-312-2828 cell
www.cgj.com

https://radiatorsupplyhouse.com/

* This post was edited 09/06/20 09:16am by MountainAir05 *

jimj

Southern IN

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Posted: 09/06/20 08:42am Link  |  Quote  |  Print  |  Notify Moderator

O sorry I thought I made that clear it is a separate radiator for the tranny. It is 12"x22". I am looking for a replacement.
Thanks
JimJ

enblethen

Moses Lake, WA

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Posted: 09/06/20 09:03am Link  |  Quote  |  Print  |  Notify Moderator

You could try Colaw.
They have many salvaged MHs.


Bud
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K Charles

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Posted: 09/06/20 10:25am Link  |  Quote  |  Print  |  Notify Moderator

MountainAir05 wrote:

Source Engineering inc. Coburg, Or. rv-chassis.com 541.935.0308
OEM supplier for radiators and CAC's


Phillip Cochran C,G & J Inc Heat Transfer
Brice Thomas Radiator
256-546-4613 work
256-312-2828 cell
www.cgj.com

https://radiatorsupplyhouse.com/

You may never get a better answer then this.





rgatijnet1

Florida

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Posted: 09/06/20 10:37am Link  |  Quote  |  Print  |  Notify Moderator

None of the RV manufacturers made their own oil coolers. They all use standard sizes that are available. I'll bet that any radiator shop could find a replacement based on the size and the number of rows of cooling lines.

jorbill2or

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Posted: 09/06/20 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

Source is a good choice but if you take the measurements to a Radiator shop in your area they can match it or order it built.


Bill

TANDDANDBIGE

W. Wa. State

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Posted: 09/07/20 09:20am Link  |  Quote  |  Print  |  Notify Moderator

Radiator Supply House in Sweet Home Oregon can make any size and type of cooler.


2002 HR ENDEAVOR 40'
2007 FORD EDGE TOAD

wolfe10

Texas

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Posted: 09/07/20 10:50am Link  |  Quote  |  Print  |  Notify Moderator

Hayden has a number of different size coolers.


Brett Wolfe
Ex: 2003 Alpine 38'FDDS
Ex: 1997 Safari 35'
Ex: 1993 Foretravel U240

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jimj

Southern IN

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Posted: 09/26/20 05:36pm Link  |  Quote  |  Print  |  Notify Moderator

Just a followup on the transmission cooler radiator leak. The tank developed a leak for the second time, first time was 2 years before, I removed it and had it tig welded at a machine shop and it looked good but it developed another leak after around 400 miles so filled up with tranny fluid @$52/gal and limped to my destination. Took it off again, getting pretty good at this, took it to a machine shop and explained where it was splitting and that I wanted a patch welded over the corner where it was leaking. They Tig welded the crack then welded a patch over it. I think it will hold only time will tell.

Thanks for all the helpful replies but I was forced to get it done quick so the patch job.

Thanks

JimJ

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