Posts Tagged: Dex-cool sludge

What causes Dex-Cool sludge

Dex-Cool sludge – Cause or effect? Dex-Cool® coolant is a registered trademark for a coolant used in GM vehicles. Dex-Cool is an orange coolant is based on an organic acid technology that provides longer life than traditional silicate based formulas. It has been blamed for causing gasket failure and sludge buildup in cooling systems. There have been class action lawsuits claiming that Dex-Cool causes gasket failure and sludge. Does Dex-Cool cause sludge? Dex-Cool sludge is caused by neglect and not following directions. If a shop or owner fails to maintain … Read More