Coolant Looks Like Mud
Coolant Looks Like Mud . Anyways it made a mess and its gonna get flushed. This is what dirty coolant looks like. Sriz Beauty Blog Vedic Line Choco Cherry Mud Pack Review from www.beautytints.com If both of those check out fine you should probably just flush the cooling system and put fresh antifreeze in there. A rusty appearing substance (or mud as you call it) on the bottom of the radiator cap indaicates an internal engine leak in the cooling system. It sounds like it might be time.