Why does my radiator fluid look like chocolate milk?
Chocolate Milk Oil: Specifically with the engine coolant system, as engine oil mixing with coolant or water will end up pouring like chocolate milk. This extreme heat can cause warpage to the cylinder head surface and wreak havoc with your engine.
Why is my radiator fluid rusty?
Rust in the cooling system can also be caused by air getting into the radiator when the engine cools down. As the coolant cools down, it contracts which can cause an air pocket. This can cause rusting, while also creating wear on the water pump’s seal and bearings.
Does milky coolant always mean head gasket?
Milky, frothy oil on the dipstick could mean you have coolant leaking into your oil pan, but doesn’t necessarily mean a bad head gasket. This symptom is too often mis-diagnosed as a bad head gasket with unneeded repairs performed. There are many other things that can also cause this and it is rarely a headgasket.
What does rust in coolant look like?
Coolant that is still doing its job to protect your engine can be any variety of colors from green to red to orange, but the key is that it will be translucent. When it’s past its prime, it will become a brownish color and more opaque. If it’s in really bad shape, it will be a sludgy brown.
Why is my car’s coolant Brown?
If its rusty you need to flush it and replace with new coolant with active anticorrosives, likely brown coolant was just water or mostly water. The commercial coolants with ethylene glycol colored green or red are mixed 50–50 with water but will help prevent rust.
What to do about brown sludge on radiator hoses?
I looked at the radiator hoses (which, incidentally, are in very poor condition) and noticed about a 1mm of brown, rust-coloured sludge on the bottom of the hoses. I did a flush of the system with a cleaning product combined with demineralised and again drained the system. It came out the same colour.
Why is there water in the radiator bubble?
One way or another you are getting products of combustion into the coolant. The Head Gasket in the Engine is blown – and the pressure from the cylinders is leaking into the waterways and making the Water in the Radiator bubble. , ASE Certified Mechanic turned grad student…
Why is there pressure coming out of my radiator cap?
Also (when the car is cool and has not been running) take the radiator cap off and start the car for a minute and see if you feel pressure comming out of the radiator. This could be engine compression leaving through the head gasket leak. Almost certainly a blown head gasket or worst case cracked head or cyliner block.