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Radiator Problem Solver

Most all radiators are made of aluminum and plastic these days, as you well know.  I sure wish we could go back to the good old days of Brass and Copper, but it won't happen.  

We can, however, solve many of the problems that we are encountering with radiators.  To begin with, most original radiators fail for a number of reasons, the most common one being that the radiators are not being flushed and refilled with the proper coolant and distilled water on a regular basis.  Most of your customers just put gas in their cars, and drive until something breaks.  Regular Maintenance can prevent these problems, but most folks just don't do that anymore.   Caps are ignored as well.  These easy steps to preserve the life of the radiator will give most people much better service with the original part.  Certainly overheating will also cause the radiator to fail as well.

When replacing the failed part, the same steps should be followed.  It's easy, and WILL prevent comebacks.
One thing to always check first is the mounts, if applicable.  If the rubber is deteriorated, it will definitely crack the new unit in due time.  Most radiators don't have those mounts, but many do.  It just takes a minute to shine the flashlight in the compartment to check.

When the bad radiator is removed, FLUSH the system.  It's perfectly OK to use tap water to do that.  It will mostly run out anyway, and the residual tap water will not cause a problem.  Always replace the cap.  It's very important that the radiator is not being stressed with pressure.  That's the job of the cap.  Refill the radiator after everything is buttoned up with the PROPER coolant, and please understand that you can only use distilled water.  Tap water, well water, bottled water just won't cut it.  Take a good look at the shower head in your home.  That's what is in your water, whether it comes from the ground or from the tap.  The tap water is actually worse.  It's got fluoride and chlorine in it, which causes electrolysis.  That will destroy the entire system.  Many of you have seen water pumps with the impellers actually missing.  That's caused by the minerals or electrolysis.  It as if we are running a sandblaster through the cooling system.  Those deposits will get caught up in the cooling tubes of the radiator, build up and cause the pressure to build up, and then we have a split radiator.  It comes back to your shop, and you've got to do the job all over again.  It's usually not the radiator's fault.  We have to continually educate ourselves on everything if we want to keep doing this work, and if it's done properly, it won't come back to haunt you.  Some of you might even begin to enjoy working on cars again.

I hope this helps you.  I'm doing my best to help you, and to keep comebacks to a minimum.

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