You might have noticed it now that you noticed your engine has been overheating. The coolant is still brown.
Legend Valve 110 123 1 2 Inch Hot Water Angle Radiator Valve
Brown water in radiator. Newer models have a plastic reservoir in the engine compartment either at the front of the engine near the radiator or against the firewall. Amsoil heavy duty antifreeze coolant features a hoat formulation that delivers excellent protection against overheating and corrosion for up to 1 million miles 1609344 km 20000 hours or 8 years whichever comes first. Have you seen sludge. If its brown and milky you could have a bad head gasket letting oil seep into the coolant. The brown sludge you are referring to is often caused by rust or breakdown of the metallic and rubber components that comprise your cooling system. Also when the car is cool and has not.
You tend to notice it more after the engine has overheated. Without removing the cap a vehicle owner can simply look at the reservoir to observe its level and color. I didnt do any of those things because of the brown. Ive changed the cylinder head water pump radiator most of the coolant lines flushed the system you name it. That brown fluid is probably water with alot of rust mixed in it. Older vehicles may not have a reservoir.
Its that thick brown colored substance you see when you open the cap on your cars radiator. Unfortunately the engine probably overheated because of sludge build up. Number one replace the water pumb. From the pump it is through what is called a seep hole and signifies the pump is bad. However your engine probably overheated because of sludge build up. Its pre mixed 5050 with high quality water and is compatible with all ethylene and propylene coolant colors.
That thick brown colored substance you can see after you open the cap on your cars radiator. Watch the temperature guage and make sure it is not running hot. Since one of the leading causes of roadside breakdown is cooling system.