White build up in a brand new aluminum water neck
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I just installed a brand new aluminum thermostat housing on my 350 and after replacing the crappy gasket it came with, I noticed a white mushy film coating the inside. It's only in the housing and not in the radiator hose. It washed off easily and there is no real signs of pitting. It has to be a chemical reaction with the aluminum. Does this mean the coolant ratio is off?
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Re: White build up in a brand new aluminum water neck
most likely oxidation...did you use distilled water in your system?...
http://www.aa1car.com/library/coolin..._corrosion.htm |
Re: White build up in a brand new aluminum water neck
That is probably my issue.
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Re: White build up in a brand new aluminum water neck
Aluminum reacts with certain chemicals in the coolant. I've had bad luck with aluminum t-stat housings corroding before and usually wind up replacing them every couple of years or so.
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Re: White build up in a brand new aluminum water neck
Make sure you have good clean grounds from the block to the cab, block to battery, as well as cab and bed to frame. Sometimes the pot metal thermostat housings act as an anode and will deteriorate quickly. Using hard water in your coolant system promotes the electrolysis effect.
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Re: White build up in a brand new aluminum water neck
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