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Old 05-05-2014, 02:35 PM
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my KARMA ran over my DOGMA
 

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Aluminum Heater Cores

I need to replace the heater core in the C10. The OEM version is brass and the new ones are for the most part aluminum. I was told that these aluminum ones can cause issues with corrosion and di-electric forces can be at play. I know that connecting copper pipe to black iron in heating systems calls for di-eletcirc unions, I would think that the rubber heater hose provides barrier.

Any concerns with using aluminum version replacement core?

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Old 05-05-2014, 04:31 PM
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AFAIK most anything has an aluminum core in it , probably for at least 20 years, most everything has al. radiators, if you're that concerned about it put some sacrificial anodes in the system..
dave
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Old 05-05-2014, 05:12 PM
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Attach a good ground wire to it to a ground on the body. That will negate most of the issue.
Aluminum gives off heat faster ,one reason its used in radiators. Works real well for heater cores too.
An Anode is also a good idea, plus a good brand of coolant , as coolant is also an anti corrosive.
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Old 05-05-2014, 07:37 PM
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A good coolant mixed with distilled water is your best insurance against corrosion.

Vince
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Old 05-06-2014, 08:28 AM
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my KARMA ran over my DOGMA
 

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Thanks all, I put the core in last night >>> all good.

TJ
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