Can I degrease the cooling system at home after an oil cooler rebuild?

damac

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I did everything by the book as far as the oil filter servicing and think I am good on that front. Our 85 junker was neglected by the previous owner with oil puking into the coolant reservoir.

Anyways I am now on my 8th flush of either dish soap or cascade granules and it is still coming out mirky water.

I did the backflush thing as well.

I replaced the hoses as well so I started fresh. I see progress, but I don't want to put new coolant and the filter mod in before I get it clean.

I can run my finger at the top of the radiator and pull off an oil slick, below that line I can see the fins are cleaner.

I am just wondering now if this is possible to get cleaned at home.

I have some of the prestone off the shelf flush that wants you to run it for a couple cycles and will help with oil deposits but I thought I would wait until right before I was ready for new coolant.

I have also seen mention of the diluted pool acid at the hardware store and calgon.

Guess I am just looking for some real world cases on the cleaning aspect because when I search for the oil cooler threads, you don't see this mentioned much.

The soap has been cheap thus far, but now I am wondering if thats the best approach or if I should run something else, perhaps a batch of each of the other things I mentioned?

At this point I don't want to keep dumping money into it if it won't help. Thanks for any info!
 

6 Nebraska IDIs

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Damnit I missed it. lol Was hoping to beat Calvin to his own punch line.
 

emmer

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It must be 100 percent clean, use dishwasher soap as many times as it takes.
Put it in when the water is warm though (works better).
 
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