Compression Ignition Addict
Join Date: Apr 2007
Thanked 39 Times in 33 Posts
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Ford recommends using dishwashing detergent - liquid Cascade or Sunlight (for low sudsing), unless there is too much oil contamination.
From a tech :
well we use commercial degreaser at work. it encapsulates the grease and gets it out pretty quick. but you will never get it all out. i have had some i have flushed for hours, and they come back oily again. gold coolant loves mixing with oil !!!
From a tech :
I've used chemical flushes, simple green and liquid dish detergent (sunlight). I find the dish detergent works best, followed by the simple green, and the chemical flushes might as well just be poured in the trash IMO. I prefer to remove and send the radiator to be flushed, and I'll replace any rubber hose that's gone bad, as well as the degas bottle cap. I normally flush them about 4 or 5 times, depending on the degree of failure.
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