Recent content by motorking

Hello, Not here to argue with you at all. The industry issues with dexcool are not the fault of the coolant. Air ingestion, poor gasket materials and people randomly mixing different types of coolant when they had leaking intake gaskets ARE the cause of dex cool issues in the industry. FACT- GM...

Hi, I am the technical manager at Prestone. What you are seeing is rust based corrosion. It is not caused by the dex cool. It is caused by air ingestion into your cooling system, most likely from the raditor cap. is your coolant recovery system/bottle intact? Make sure it is and you have a good...