Hawk Prep Fluid waterless engine flush for all engine types (EVANS)

Prep Fluid is a waterless engine flush by Hawk (formerly Evans) for all engine types. It hygroscopically absorbs water while flushing loose dirt and scale out of the cooling system, leaving it ready to be filled with Hawk waterless coolant.

How to use it: drain the old coolant, fill with Prep Fluid, run the engine up to operating temperature, drain again and fill with the Hawk waterless coolant for your engine.

Typical characteristics:

• Physical state: low viscosity synthetic liquid
• Boiling point: above 180 °C
• Freezing point: below −40 °C
• Colour: clear
• Odour: almost odourless

Prep Fluid contains no water, has a boiling point above 180 °C and is tested and certified as non-toxic by an EPA-approved laboratory. Manufactured in accordance with certified ISO procedural standards.