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Old 06-03-2013, 11:30 AM   #1
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Join Date: Jun 2013
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1989 Holiday Rambler Radiator Replacement

Help! I just joined this forum hoping folks with more experience than my husband can help. We need to replace the radiator on our 1989 Gas Holiday Rambler, 34' Imperial. We have searched everywhere and ordered a new one from a local shop that does not work.

From what we can tell, it is a GM radiator. Since GM doesn't make these any more, we were told to contact WorkHorse, which we did, provided the VIN and old radiator info (which we still have but we have been told it is beyond repair), only to be informed they can order one that "might" work but there is a 30% restock fee. Here's the problem with the new replacement we have in our possession..the old radiator has a sensor connection that the new one doesn't. How important is it that this sensor be connected? Please, can anyone help us find a dealer that will help us locate the radiator we need or at least be able to talk to us about our options. The dealers we have talked to don't seem to want to help. I guess too much trouble. In the meantime, our motor home is sitting unused!

Thanks so much for any and all suggestions!

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Old 06-03-2013, 12:55 PM   #2
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I'd go to a radiator shop here... for sure... Likely it can be sourced or re-cored.
In terms of "sensor" - what is the purpose? Often the sensor can be added to a radiator without them via creative plumbing or sometimes brasing...

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Old 06-03-2013, 07:19 PM   #3
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If all that is bad is the coils, take the radiator to a radiator shop and they can recore it. I had mine done a couple of years ago. Mine is a 4 core setup. What I had was 3/8" tubes that was in pretty bad shape. When they got done the kept is a 4 core setup with 5/8" tubes. I have a 180 degree stat in it and that's where it runs. Cost was around $450 Best money I spent on that engine.
1990 28' Georgie Boy, 454, 4bbl, Thorley Headers, Recurved Distributor, 8.75 mpg. RVM 76
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Old 06-05-2013, 05:46 PM   #4
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Another vote for pulling the radiator and taking it to a good radiator shop. They can completely rebuild yours, or make a new one for whatever specs. If you were having heating problems, visit with the radiator shop guy and see what his opinion is to improve capacity and efficiency of your unit.
Ken & Jeannie
96 Vectra Grand Tour 35' DP
Jacey (terri-poo, waiting at the rainbow bridge), Jack (silky terrier), Hannah (poodle)
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radiator, replacement

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