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Old 10-06-2015   #115
secondchance
 
Join Date: Aug 2006
Location: McLean, VA
Posts: 3,739
Default Re: LT5 Cooling and Radiators

Quote:
Originally Posted by mike100 View Post
You can successfully clean the radiator- especially if removed ( I did 4 years ago). Even the inside was free of corrosion and no reason it couldn't transfer heat as well as a new unit, but eventually the side tank seal will let go.
I went through two OEM radiators. In my case both failures were stress crack on the driver side, about 4-5 inches from the top, resulting from heat, expansion and contraction cycling. Sort of similar to aircraft developing stress fracture on the skin due to pressurization/depressurization cycle.
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