You tend to notice it more after the engine has overheated. The coolant is still brown.
Blown Head Gasket Or Mud Replaced Coolant Ih8mud Forum
Brown water in radiator. Have you seen sludge. From the pump it is through what is called a seep hole and signifies the pump is bad. Watch the temperature guage and make sure it is not running hot. Also when the car is cool and has not. Without removing the cap a vehicle owner can simply look at the reservoir to observe its level and color. Older vehicles may not have a reservoir.
Unfortunately the engine probably overheated because of sludge build up. If its brown and milky you could have a bad head gasket letting oil seep into the coolant. Newer models have a plastic reservoir in the engine compartment either at the front of the engine near the radiator or against the firewall. I didnt do any of those things because of the brown. However your engine probably overheated because of sludge build up. That brown fluid is probably water with alot of rust mixed in it.
You might have noticed it now that you noticed your engine has been overheating. Number one replace the water pumb. Since one of the leading causes of roadside breakdown is cooling system. Its pre mixed 5050 with high quality water and is compatible with all ethylene and propylene coolant colors. Ive changed the cylinder head water pump radiator most of the coolant lines flushed the system you name it. Its that thick brown colored substance you see when you open the cap on your cars radiator.
That thick brown colored substance you can see after you open the cap on your cars radiator. 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. 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.