Radiator Replace? - JeepForum.com

 
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post #1 of 4 Old 06-03-2013, 11:47 PM Thread Starter
eatdrinkadam
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1985 CJ7 
 
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Location: Seal Beach
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Radiator Replace?

1985 CJ7 4 Cyl.

I just replaced a cooling fan clutch today, and while doing this, I checked my radiator, and all the little fins are falling off.

I actually ran my finger down one of the columns and they crumbled like bread crumbs.

This must be due to age, but is it time for a new radiator? Would these crumbling / eroding fins have any significant effect on the cooling system in general?

Thanks!!

A

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post #2 of 4 Old 06-04-2013, 12:21 AM
dg6772
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1986 CJ7 
 
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Location: Muskegon
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Eventually; yes. Their job is to dissipate heat from coolant by the air crossing over them. When there isn't enough fins to do this, it will overheat. Replace now????? Good question for your local radiator shop.

Dave in Muskegon
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post #3 of 4 Old 06-04-2013, 10:00 AM
TDiddy
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1979 CJ5 
 
Join Date: Mar 2013
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given the relative ease of a radiator swap, I'd say absolutely. with fins crumbling, it isn't doing much cooling anyway. Soon it will be leaking.
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post #4 of 4 Old 06-04-2013, 10:04 AM
John Strenk
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1976 CJ5 
 
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Just thinking if you do replace the radiator. And you should.
Project 23 has a radiator with a built in switch for electric fan. I bet a set of electric fan would help that little engine.
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