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Old 08-06-2014, 09:14 PM   #1
Join Date: Aug 2010
Posts: 44
Pinhole leak in radiator

I have a 1990 Granville Debonair class c motorhome. Based on the chevy G30 350 ci chassis. Discovered a pinhole leak in the radiator about 2 years ago. Have tried adding bars leak to it and it seemed to hold up, but is now eventually leaking a bit again when its pushed/under load going up hills, etc. Thinking about replacing or fixing the radiator, but not sure how to proceed since the company is no longer in business. Would I look for a radiator to fit a chevy G30 Van, or take it to a radiator shop and see if its something that can be fixed? it doesnt leak very much, and i dont want to put more than $500 in it to fix it, as i can live with it the way it is before putting more money than that in it, since i only put a few hundred miles on it a year.

Anyone have any suggestions?

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Old 08-07-2014, 05:31 AM   #2
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Smile radiator shop is cheaper

FWIW. I recommend getting estimate from a radiator shop

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Old 08-09-2014, 03:53 PM   #3
Join Date: Oct 2010
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there should be a metal tag on one of the tanks.With this number you shoul be able to sheck aftermarket sources for a new radiator

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Old 08-11-2014, 07:32 AM   #4
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While it doesn't get the same mileage as an RV, I used some JB weld high temp epoxy putty on a small leak on my classic car's radiator.was still holding up strong when I sold it. May at lest be a short term fix while you source a replacement. I feel that those internal bars and solutions can do more harm then good long term good luck
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leak, radiator

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