Dirty Coolant Passages
#1
Dirty Coolant Passages
I am working on a motor to put in my car. It is a good running motor, but when I took out the coolant plugs, there was like mud in the passages. Is there a way to flush this stuff out before I install this in my car. I do not want this to mess up my rad. I will be running freeze plugs in the intake manifold coolant passages. The motor is a 12a. Thanks for any help in advance.
#2
Dragons' Breath
Join Date: Sep 2010
Location: Pump Handle, SK. Canada
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Cavitational Erosion
You could take them to a shop and have them professionally cleaned or get the small brushes out and start scrubbing all the water jackets .. Most of the time this problem is caused by poor quality cooling liquid or mainly from lack of coolant additives always use anti freeze or anti boil coolant for aluminium water jackets.. The additives help keep the coolant from rusting the cast iron parts, most of the stuff in there is caused by cavitational erosion .. ALWAYS use coolant additives Case International farm equipment have a very good product for this purpose as they were plagued by this problem for many years !!! Just my opinion
#4
Dragons' Breath
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I see I thought you had the engine apart .. well about all you can do is flush out through the so called frost plug holes take the rad hoses off so you don't flush the **** to the rad .. I made a hose one time to flush out a v8 block just a small flexible hose with hot water pressure and just keep flushing in different directions until the water clears up you should also flush the rad with water from top to bottom even go in the bottom hole and flush the crap out .. If it is in the engine it is in the rad also .. you will be surprised how much **** you get out ... There are lots of engine flushes available to do the job but I don't know how friendly they are with the rotary engine .. Most of that **** is hard on aluminium rad parts and hoses so watch what you use .
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